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1. regardless if its analog or digital can be measured and displayed while at the same time a large assortment of functions are also available to measure leakage signals The fact that the R amp S EFL210 comes with a spec trum analyzer that can dis play an enormous range of 2 5 GHz is unheard of in an analyzer of this class and def initely helps the technician create a picture of multiple frequency ranges As you would expect from a Rohde amp Schwartz product its measurement precision is extremely high and yet its very easy to use From its unique shape to the ar rangement of all of its but tons everything is just right Given the ever increasing responsibility of the cable TV operators and installers in terms of compliance with maximum permissible inter ference the R amp S EFL210 is the ideal reference solution Spectrum Analyzer Operation and the Function of the RBW and VBW Filters The R amp S EFL210 signal analyzer comes with a pro fessional and fully featured spectrum analyzer Unlike most other standard satel lite and cable analyzers with the R amp S EFL210 you can set up RBW and VBW filters to your personal requirements But what are these filters ex actly In order to answer this question you first have to understand how a spectrum analyzer works With the R amp S EFL210 the HF input signal is converted to a small frequency range by a bandpass filter that is then digitized and inserte2. Amateur Radio 76 It happens occasionally that a cus tomer complains about intermittent TV reception Often the cause is an amateur radio enthusiast who is using inadequate equipment The picture shows the water fall diagram of a transmission done with a cheap handheld radio emitting at 145 MHz Interestingly the radio disturbs a nearby transmission at 148 5 MHz Notice that the waterfall diagram shows that transmission whenever the radio is not transmitting File Action View Help emi ss 4 Vempire 1M Computer gt xc Disk drives Display adapters 3 DVD CD ROM drives S Human Interface Devices gt Gg IDE ATA ATAPI controllers Q IEEE 1394 Bus host controllers Jungo lt gt Keyboards I n Mice and other pointing devices gt Monitors amp Network adapters gt E Portable Devices Ports COM amp LPT 3 Communications Port COMI ECP Printer Port LPT1 EFL Driver COM16 gt JB Processors gt X Sound video and game controllers 7 Storage controllers 4 M4 System devices gt Universal Serial Bus controllers Fi h r Configure port e Select port COM16 OK Reading channel plans Reading channel plans Reading channels R amp S EFL Suite RASBEFL Suite File Configuration Meter Window GG ks a BG S a 0 SP 20MHz 145 00 5 200 kHzW MHz This happens because the radio has not
3. C N BER 5 BANDWIDTH R amp S EFL210 allowing to write reports while the instrument is still available for measurements The MACROS option allows to define a set of measurements exactly tailored to the individual need Once setup you just run DELETE LOGS EDIT LOGS SPAN MARKS HOLD MODE dB DIV ADVANCED MEAS 8 Aunique feature with the R amp S EFL210 it can be pre configured for up to four different applications 9 The R amp S EFL210 can be configured for low power consumption which will allow for a longer autonomy when running on ANALOG i DIGITAL ANALYZER amp LO INSTANT LOG SAVE GRAPH EXT AMP EN EXT AMP GAIN ANTENNA EDIT NAME DELETE GRAPHS ENERGY MANAG d AUTO SUSPEND units for the measurements This device batteries The drawback will be a less the macro and the instrument will do all FORMAT can be set to an automatic mode which bright screen but it might get you around measurements automatically VOLUME BAND b then output the EXAM AAT for a particularly work intensive day The 12 Doing a regular scan The R amp S EFL210 BRIGHTNESS i MONITOR PARAMET CONTRAST MARKS TRIGGER MOD di SUUS Urt tds ids anga auto mode will try to give the best relation will tune all frequencies of the selected plan EQUIPMENT T ROTAT
4. ee i40 e VD 695456056 OH OG 4666 5596599 24444620 Se oe Go ae tied Bagh Osh Firmware version 3 00 00000 Time and Date the measure was made Time 8 25 pm 690 00 Zoom OFF Meter information Name Number of outlets ILOGODO 1 ILOGOO1 3 Name Number of graphs GLOGOO0 12 lE Plan Band FCC STD Terrestrial FCC RETURN Terrestrial FCC IRC Tenestial FCC HRC Terrestrial FCC OFFAIR Terrestrial CCIR Terrestrial a U The Rohde amp Schwarz EFL Suite 79 The main window of the R amp S EFL Suite 80 The R amp S EFL210 is connected to the PC using a USB cable However the interface will actually create a virtual serial port RS 232 for the EFL Driver It is a good idea to check the Device Manager to confirm that the driver has been properly setup and to read the COM port number If your computer has other COM ports for instance because you have a Bluetooth adapter you will get some odd COM port like I did in my case it is COM16 You may need to manually configure the R amp S EFL Suite to use the specific COM port 81 The About screen of the R amp S EFL Suite tested the latest v4 15 82 No doubt a useful feature you can import your company logo and input your company details They will 30 then be included in the automatically generated reports 83 Next configuration Which COM port is attributed to the R amp S EFL210 Hopefully yo
5. 300 that with it s swappable modules can be used for the 9 kHz to 7 5 GHz range serted and the amplifier an LTE transponder at 800 transmission turned off No leakage sig MHz see photos nals could be detected Walking along the street I was impressed on how much leaked radiation could pickup D For our TELE audiovision tests a simulated leakage signal was created here in the test center to get a feel for how the analyzer works and from what distance the leakage can be detected At the same time it gives us an opportunity to get used to using the R amp S EFL Z100 directional antenna Since this particular antenna is de signed primarily for the air craft and mobile LTE bands the frequencies from 108 to 139 MHz and from 700 to 800 MHz can be analyzed in a waterfall diagram The first task was to use the EFL Z100 directional an tenna to check for both fre quency bands here in the test center For the FM and aircraft bands the antenna is used with the dipoles in For the LTE frequency band the dipoles are re moved and the amplifier is turned back on This acti vates the 13V at the R amp S EFL210 s HF connector out put Once again no trouble some leakage signals could be found This isn t at all sur prising considering that our cabling adheres to certain directives Now the actual test could start Leakage signals were artificially generated so that there was something to measure Our te
6. Configuration and monitoring via LAN IP BluBox SOTx e Up to 16 SAT IF levels and terresstrial over a single fiber optic cable e 19 base unit with redundant switch mode power supply e Distribution to up to 32 optical nodes possible e Configuration and monitoring via LAN IP SPAROS 711 Touch Series e Intuitive operating thanks to a 10 Touch Screen e DVB S S2 DVB T T2 DVB C HDTV TV displaying e Compact and robust aluminium die cast housing e Supplied in a stable carrying case 49 Test Source V108 2012 09 14 WORK MICROWAVE GmbH USB Cornecten E mons wma os Ow LORK Coanect 09 12 45 29 C USB POWER Tk PENA MICROWAVE T Power Level dBm a Dam 0 din REF out BNC Fx C5C1 FREQ Mea imm 130 2 0 180 950 2199 Mtr 0502 TS RF out SMA OFF em 50 130 950 2150 Metz e DC landheld Satcom Test Source V198 2012 09 14 WORK MICROWAVE GmbH SP 20MHz 200 kKHzW Tee USB Connection Power Supply monos mone ss ww LUIORK Connect 10 21 19 33 C USB POWER 9 vy iz ma a MICROWAVE Ti Main Control Power Level d8m C OFF 5 Wan 10 dm REF out BNC Power Level dim 5 din 45 d em FREQ Ohe 180 0 180 980 2180 Metz dud RF out JH SP 10MHz 100 kHzW IKE MHz 180 00 MHZ Level 40 7 dBm Level 40 1dBm T A Power Suppry 2013 Out 05 USBDATA y s External LL f R K A Connect R EMEN 10 23 20 3
7. Level d m s 10 dBm 12 im REF out BNC OFF Power Level d m F j 508m 4 din OSC1 FREQ x 130 z i 90 180 90 2150 MHz ON 0502 Power Level d3m RF out SMA AQ as OFF 5 dn so a 50 180 950 2150 Miz e DC osci SP 10MHz 100 kHzW 130 00 MHz Level 40 0dBm 49 Our calibrated Test Source generates test signals at user defined frequencies and power levels The test signal is of extreme accuracy making it the ideal way of testing the R amp S EFL210 And indeed this picture does not lie using the HDMI output of the R amp S EFL210 connected to my test computer which has a HDMI capture card put both windows side by side Look at the result I generated a 40 dBm signal at 130 MHz and on the other side of the cable the R amp S EFL210 measured 40 7 dBm at exactly 130 00 MHz An excellent result 50 repeated the same test at 180 MHz Now got only 0 1 dBm deviation 51 At 950 MHz I got 0 2 dBm difference 52 Again only 0 5 dBm difference at 1450 MHz 53 Finally at 2150 MHz the deviation was 0 1 dBm 54 Wondering why got a higher deviation at the first measurement decided to repeat MEASURES UU O Level MHz 39 8dBm EO Eqvim MHz Aero di SP 20MHz 200 kHzW jp SP 100MHz 130 00 Level 800 kHzW MHz 69 0dBm SP 1 0GHz 1450 00 o Level 3 2 MHzW MHz 71 5dBm 38 TELE audiovision International The
8. O x gt Memos amp Macros Load memos and macros to the meter Memories Macros ot om Channel C Frequency Add memory Edit memory Delete memon as Name Number of outlets ILOGOOO 1 Number of graphs Plan Band FCC STD Terrestrial FCC RETURN Terrestrial FCC IRC Terrestrial FCC HRC Terrestrial FCC OFFAIR Terrestrial CCIR Terrestrial r Down 48 TELE audiovision International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovisian com amp ROHDE amp SCHWARZ E R amp SSEFL Suite EN 71 I File Configuration Meter Window Help 1X gt S oa Ff o S amp 8 w Meter information g Memos amp Macros ce P Load memos and macros to the meter List downloaded 03 11 2013 19 47 06 0 X Memories Macros x ds m E Name Number of outlets x x ILOGOOO 1 Memories J MEM 000 Date Meter Firmware version Serial number fi 1403 2013 7 47 p m R amp S EFL 210 USA 3 00 00000 900004 r J LOG iist Time and Date the measure was made Units a ILOGOOO Date 10 06 2013 Time 4 35 p m Select dBmV Y Number ct crane Plan Channel Frequency Channel type Meas num Dali 2 0 00 Analog Terrestrial 4 r Plan Band Add memory Delete memory FCC STD Tenestiial FC
9. Rate before the error correction algorithm is applied While the BER after the correction is useful to effectively see what amount of errors the demodulator will have to deal with it is the CBER that you want to evaluate to get an idea on how stable the reception will be Many problems in the constellation diagram can only be understood and resolved by simultaneously considering the constellation diagram MER modulation error ratio and CBER Hence it is a great feature of the R amp S EFL210 to provide all three measurements in one screen This is by no means common in CATV analyzers 33 Better than a Bit Error Rate after the error correction the R amp S EFL210 gives a complete statistic on uncorrected packets sr gt l mar LI v 4 I 690 00 MHz CBER 8 7E 5 sy Cubavision Intern Cabo Porto 15 Serv SID 922 NID 42837 VPID 6160 APID 6161 MPEG2 MPEG2 L2 480x576i 1 4 spa 690 00 Zoom OFF Zoom OFF Zoom 1 Zoom 2 Zoom 3 Zoom 4 690 00 Zoom OFF CBER These are shown in number and time interval i e how much time passed since the last uncorrected packet appeared Each uncorrected packet will produce a glitch in the TV image so it is nice to have this measurement running over a small period of time to understand if the reception is indeed acceptable or not It can be used to spot intermittent problems too 34 especially like this measurement screen one can see th
10. World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovision com the measurement at 130 MHz and now got 0 dBm deviation The truth is that any deviation under 1 dBm is an amazing precision for any HF instrument and the R amp S EFL210 beats hands down all our meters including the reference devices And why did I get a better result this time Because you should allow any measuring instrument to warm up properly if you want the most accurate results 55 The REF LEVEL option is normally called MAX HOLD in other devices It will continually show the highest value measured within the spectrum 56 First activated the waterfall display The picture illustrates the frequency sweep of the signal source generator 57 Using the REF LEVEL option turned on and allowing for a full sweep the spectrum shows the continuous frequency measurement normally try this on all spectrum analyzers and can assure that this is by far the best result have seen so far The maximum value forms practically a horizontal line with very little variation 58 In this picture did a frequency sweep over a whopping 1GHz span Again the results are fantastic Remember that on this sweep the R amp S EFL210 only gets 1 second to adjust itself to the signal at a given frequency to measure it and to update the REF LEVEL leakage measurement is performed using a waterfall diagram It shows the spec trum over a specific time pe ri
11. additional function of these buttons namely pressing and holding ROHDE amp SCHWARZ the button for 2 3 seconds To further increase the tech nician s productivity two ad ditional buttons are reserved as function buttons that can be programmed by the user to any desired function In the middle there s a high resolution color monitor that is exceptionally bright It has a resolution of 640x480 pixels and parameters such as brightness contrast and color can of course be ad justed as needed There s also a special mode that pro vides for exceptional monitor readability On the top side of the ana lyzer you ll find the HF input As you might expect with a professional instrument the input jack is designed to be used with a variety of swappable connectors F connector BNC connector etc that are naturally in cluded with the analyzer There s also a slot for an SD memory card available un fortunately only SD cards up to 2GB are recognized SDHC cards are not com patible a USB interface that allows you to connect the R amp S EFL210 to a PC an HDMI output and the power Quick Guide LEVEL V A C N amp ROHDE amp SCHWARZ R amp S EFL110 210 CABLE TV ANALYZER amp LEAKAGE DETECTOR 7 In the Antenna menu select between two pre configured R amp S antennas the EFL Z100 included and the R amp S HE 300 Two further antenna settings can be configured by the user who can then also set the corre
12. analyzer that can be used on both analog and digital cable signals So how is this done The productivity and makes the job easier 45 Here you can measure Power C N BER Bit Error Rate and bandwidth Measuring bandwidth of the transponder can be very nknown transponders ng the C N also known as frequency noise shows the difference between signal power and noise power get a green checkmark everything is OK Yellow means that you have weak signal quality and red indicates no reception A technician can see this result immediately without having to think about 38 At the 100MHz span the RBW filter automatically adjusts to an 800 kHz window since you could not benefit from a higher resolution anyway because of the fixed screen resolution 47 Here am measuring the bandwidth of a digital QAM64 transponder The transponder uses more than 7 MHz 48 Moving the markers could determine that the bandwidth of this transponder was QI a 39 Smooth real time spectrum with a 200MHz span which outperforms any other 4 spectrum analyzer have tested so far in the CATV bands 40 To shorten it up with an amazing 2GHz span and the RBW filter set to 6 4 MHz width the spectrum is still very detailed and rendered in smooth real time 41 And yet the R amp S EFL210 managed to surprise me with real time spectrum on a full span of 2 5GHz Congratulations to Rohde amp Schwarz 42 Measurements of analogue si
13. and tower on a landing maneuver 62 This picture shows the full span of aeronautics frequencies This span is universally used throughout the world Gladly no leakage could be detected in the test center otherwise we would have to immediately correct the problem 63 Here we see a communication happen ing on a different frequency With the R amp S EFL210 can now visually detect any radio communication in this band at a glance instead of having to scan through known frequencies or doing a frequency search FM 64 A pre programmed frequency range is available to monitor the FM radio band This allows to analyze if interferences occur between 88 Mhz and 108 MHz Any radio station can naturally be tuned in by the R amp S EFL210 and the audio is repro duced 65 View of the FM band with a 20 MHz span Individual radio stations can clearly be identified 66 The full span of the GSM band Two frequencies are being used but with a faint signal This is normal since am using a smartphone with GPRS and EDGE frequen cies and usually GSM mode is turned off There is no other cellphone using GSM in vicinity either Also no leakage This was to be expected because cable operators avoid putting transponders at frequencies this high LTE 67 Leakage measurement with the R amp S EFL Z100 antenna You can clearly see the DVB T transponder at 754 MHz and the neighboring LTE transponder at 800 MHz Some transmiss
14. every day and turns out to be a safety hazard if for example you re walking around on scaffolding The front panel features a set of buttons on the left side and the right side The set of buttons on the left side in cludes four buttons in the Shape of a cross to navigate through the different menus up down back and OK as well as a button to access or exit the menu and an addi tional button to take you to the Main menu The Power button that turns the analyzer on off is located on the lower left alongside four LEDs Three of the LEDs show the status of the rechargeable battery external power source in ternal power source and battery is charging while the fourth LED illuminates when the R amp S EFL210 is turned on On the right side is a touch knob that simu lates a mechanical rotating knob instead of turning a knob you merely pass your finger the thumb would be best over the touch knob The touch sensor works per fectly making it easy to use for example for extreme fine frequency adjustments The sensitivity of the sensor can be adjusted to your per sonal tastes in the analyzer settings but the default set tings worked just fine for our tests Surrounding this touch knob are another 15 buttons that provide direct access to all of the R amp S EFL210 s func tions After a short break in period you ll hardly need to access the menu since less used menu pages can be ac cessed through an
15. of leakage signals The analyzer comes with a matching antenna and its this combination of the R amp S EFL 210 analyzer and R amp S EFL Z100 antenna that we put to the test Both of these products come shipped in a very sturdy hard plastic case that was designed to be used in extreme outdoor conditions Inside the case the analyz er and antenna are further protected by a solid foam material that perfectly fits the R amp S EFL 210 analyzer and R amp S EFL Z100 antenna There are also cutouts in the foam to securely store the accessories such as the power supply coaxial cable and various connectors In one of these storage cutouts you ll also find two special carrying straps that allow you to carry the EFL210 analyzer on your body Due to the size of the antenna the carrying case for the analyzer is actually quite large it measures about 52cm 20 5in wide x 42cm 16 5in long x 22cm 8 6in high and weighs about 10 kg 22 LBS with all of its acces sories One thing is for sure though this case definitely Tested amp Recommended Product by TELE audiovision International The World s Largest Digital TV Trade Magazine guUgIAN7ISion Rohde amp Schwarz EFL210 EFL Z100 The best and most complete professional instrument for CATV operators and their Espa ol LANGUAGE English Deutsch Portugu s Francais y Wan ano amp ROHDESSCHW Select Language CABLE TV ANAL
16. 3 C USB POWER E ui MICROWAVE I Power Level dim C OFF 5 z 10 d m 10 dim REF out BNC OFF f Power Li zie Na OSC1 FREQ Qt sdn 45 Om 950 2 50 180 950 2150 Metz ON rg peg Power Level dim RF out SMA On OFF dS OFF SP 10MHz aga e 1 00 kHzW USB Connection Power Supply peices eaaa M cm WORK IN MICROWAVE Full Power Level d8m Ohi s REF out BNC Power Level dm 5die GA 1 FREQ MHz 1450 D 0 180 999 218 Ma pr RF out n Power L Ge MUN SP 10MHz zm 100 kHzW T 10 24 38 32 C USB POWER S Main Control C9 I I I I I I I MHz 1450 00 MHz Level 40 2dBm Level 40 5dBm 535 fatcoes Test Source 1 08 2012 05 14 WORK MICROWAVE GmbH Tme USB Connection Power Supo Y 2013 0ut 05 USS DATA 9 5 External Lit IRK P Conaect 0 26 04 32 C USB POWER 0 M MICROWAVE T Power Level d m 5 0 dim 2 Bm REF out BNC Power Level d m Main Control REF Oor om ON Sn 45 om RF out D 15 OFF so s 50 180 950 2150 Metz e DC SP 10MHz 100 kHzW 2150 00 MHz Level 41 9dBm Typ 545 Satcoes Test Source V108 2012 05 14 WORK MICROWAVE GmbH Tme USB Connection Power Supply R 2013 0ut 05 USB DATA Wr s External Li R K Conaect 10 28 01 32 C USB POWER Wi BATTERY EN Ae m MICROWAVE T Main Control REF Power
17. 3 11 2 EXCITE sar eta Ee e e ce DE amp SCHWARZ Meter info Date Meter Channel plans version Serial number EFL210 is the possibility to create macros 031120132000 mserriz0Us mua mom which are basically frequency lists that you select to be automatically measured In the first step you need to create a Memory which is basically a transponder You need to configure the transponder by inputting its channel number or frequency value and specifying if it is an analogue or digital tran sponder 92 Once you have your Memory defini tions setup you can switch to the Macros tab and create a macro Select a name and put the required memories inside After uploading the memories and macros to the R amp S EFL210 you can select the macro and execute it The R amp S EFL210 will then tune each memory and perform the measure ments storing the results automatically in the instruments memory This is particularly useful when you need to measure the same transponders over and over Select al DATA LOGS J Select al GRAPH LOGs Ji Download memos and macros SS UNA SCHWARE Meter info always be available to the installer to test the installation of a customer With the R amp S EFL Suite two additional Eie Bust TO Nene user defined antennas can be set up in cmm a case other antennas would be used be sides the R amp S EFL Z100 and the R amp
18. BO IR o DN m BN T TELETEXT dinis nde lm eroi nel LE Line num Offset Zoom Freq 18 0 1x 695 25 30 18 Zooming in reveals some noise within the line blanking interval Despite having an acceptable picture quality this shows a potential problem 19 A different visualization mode shows the demodulated image next to the spectrum view of the current transponder The relevant measurements are displayed as well 20 The tuner and demodulator are of the finest quality and despite the considerably weak signal a good image is rendered This only shows how important it is to rely on the measurements and explains why you can never use a normal receiver or TV to evaluate a CATV signal 21 One interesting measurement is the channel noise ratio of a selected video line Instead of measuring against an average of all lines you can select a specific line against which you measure the ratio to the noise level This is very handy if you WI NN A TM Ia HN A AM Line num Offset Zoom Freq 38 8x 695 25 695 25 MHz 9 Level 56 5 dBuV VIA 16 6 422 CIN L 6 41 3 175 73 MHz Level 34 4 dBuV vI VIA lt 1 0 CIN 18 2 18 1 A NY 100 000 is 30 000 hoy 20 000 12 000 6 000 4 000 3 000 rT 175 73 MHz a Level 39 5 dBuV VIA 1 7 CIN 24 0 W BI 23 7 are working with test pictures where the desired pattern occupies only part of the image 22 Yo
19. C RETURN Terrestrial Edit memory Edit name Ie FCC IRC Terrestrial FCC HRC Terrestrial 7 FCC OFFAIR Terrestrial DirTV 72 Terrestrial gums m m Measurement Parameter Value BW MHz 1 0 gO 4 Audio carr 5 50 r a aii _ TELE audiovision International PO Box 1234 85766 Munich Ufg Germany Installer info Vitor Martins Augusto TELE audiovision International Testcenter Portugal File name List downloaded 03 11 2013 20 06 19 Date 11 03 2013 8 06 p m Channel Frequency Channel type 690 00 QAM Measures Power C N CBER Outlet 001 18 3dBuV 31 568 5 1 1E 4 Outlet 002 18 5dBuV 31 3468 9 1 1E 4 gt R amp S EFL Suite File Configuration Meter Window Help m 4 I Pv List downloaded 03 11 2013 20 06 19 y Date 11 03 2013 8 06 p m R amp S EFL 210 USA E E GLOG list E GLOGODO nu SEN gt GRA Rename gt GRA Delete graph gt GRA gt GRA gt GRA Mark to export gt GRA Mark to print RA gt Mark to export and to print gt GRA 008 gt GRA 009 gt GRA 010 11 03 2013 Save with image format Parameter Bw MHz Symbol Rate Spect Invr Modulstion Standard MER 26 046 26 1dB TELE audiovision International PO Box 1234 5766 Munich Ufg Germany Installer info Vitor Martins Augusto TELE audiovision International Testcenter Portugal File name List downloaded 03 11 2013 20 06 19 Date 11 03 2013 8 06 p m e
20. Capacity 1946 MB MEASURES PARAMET ExtraBurst OFF ROHDE amp SCHWARZ Language INN Espa ol L English a ssi mu Deutsch m odi EFL Z100 Portugu s f R amp SHE300 TET ANTENNA ian NES gp B italiano USER 2 96 5 dBuV m DON NICBER gt o CIN 51 3 CIN L 6 443 dB UPDATE LANGUAGE IIN NORMAL LOW CONSUMP AUTO 4 we 101 7 dBuV m DOM NICBER ee EXTENDED INFO MPEG4 1 50 00000 FPGA 3 04 00 09 KEYB 2 00 527 25 MHz Used 844 MB e Available 1101 Mb 96 2 dBuV m NICBER um FACTORY SETTINGS Vamos encurtala los e mandar o andar pelos ares GRAPHS CN 50 2 ae I CIN 514 BJOIONEE C NAE W cnNnug 442 www TELE augdiovision com 0O3 04 2014 27 dB B Select Language 1 96V 1 04 38 30 31 3 26 03 04 2014 www TELE augiovision com supply jack A speaker and a recessed Reset button are also provided On the rear panel you ll find a stand that can be opened into two po sitions so the analyzer can be comfortably used on a table Two cooling vents on either side of the analyzer provide sufficient ventilation for the R amp S EFL210 Overall the analyzer felt very solid and robust even though it didn t feel all too heavy Particularly striking is its unusual design that after only a few minutes im pressed us with its outstand ing ergonomics and conveni ent operation To help us get used to using the R amp S EFL210 we first sta
21. D screen s refresh rate However when looking at analogue or digital transponders the signal varies much quicker This means that the spectrum analyzer shows the average or maximum signal level within the refresh rate period of the spectrum Toggling the VBW Filter you can actually determine the time period that is used to average the signal level The kHz while the right one shows a VBW filter setting of 15 kHz Which is better That is up to the technician to decide a lower filter will Show a more averaged spectrum which is easier to interpret while a higher filter setting will show a more nervous spectrum which shows more detail about what is happening on each single frequency Notice how you can detect the carriers of the transponder The downside is a more difficult to read spectrum since transponders get harder to distinguish against the background noise 94 The effect of different RBW Filter configurations all pictures show the same transponder On the left picture you see the result of using a resolution bandwidth of 200 kHz the middle picture uses a resolution bandwidth of 800 kHz and the right picture has the resolution bandwidth set to 1 6 MHz The bigger the bandwidth the faster the refresh rate of the spectrum A faster spectrum reacts quicker to any signal variation allowing you to see left picture shows a VBW filter setting of 1 of cable networks In just a single device the signal
22. ING SELECTOR COLOUR appreciated new feature of brightness and speed against battery and provide a quick PASS FAIL information HIGH VISIBILITY LEAKAGE ANTENNA CONFIG 5 Support for many different languages autonomy view recording all relevant measurements UPDATE CER AMP GAIN Eu m CHANGE BATTERY ANTENNA 6 Using external amplifiers or other active bes cus a odi Ne odi are stored and can be recalled at any m EXTENDED INFO RANGE or field use the eatures a ime FACTORY SETTINGS elements like switches or a LNB the output memory logger that allows to store the measurements made 11 There are different options within the PREAMP SCAN002 POWERING FCC IRC 16 ANALOG CHANNELS FCC IRC 18 QAM NORMS FCC IRC 22 QAM SIDE NN s FCC IRC 07 ANALOG rr m Head end MEASURES FCC IRC 08 QAM Profile1 7 PARAMET FCC IRC 09 QAM Profile2 96 4 dBuV m DOM NICBER S CIN 51 4 CIN L 6 449 dB voltage can be set The included R amp S EFL Z100 antenna needs to be powered with 13V for the LTE band 13 The R amp S EFL210 supports SD cards with sizes up to 2GB SDHC cards are not R amp S EFL210 supported R amp S FFLI10 reamp Powering Cable TV Analyzer amp Leakage Detector Information EFL 210 CHANGE SN 900004 BATTERY Vs 3 00 Meas Volt V 0 0v OmA 927 25 MHz QE Analog Level PROFILES 96 3 dBuV m 6 00 CIN dB DOM NICBER 2 dB 0 00 MHz VIA CIN 54 1 CIN L Lini n E pa ING 444 ENERGY SD card v1 0 MANAG
23. LAPORAN UJI Alat Analisa Sinyal DVB C Profesional ROHDESSCHWARZ p e Alat Analisa TV Kabel wg e Dirancang khusus untuk 4 mendeteksi sinyal yang bocor eMenampilkan Keseluruhan Spektrum dari FM hingga WiFi 4 eAntena Direksional Khusus untuk Band Pesawat Udara dan LTE e Memenuhi Peraturan EMS yang Ketat e ESSET RECOMMENDED PRODUCT BY nn TELE audiovision THE WORLD S LARGEST DIGITAL TV TRADE MAGAZINE Vitor Martins Augusto Test Center Portugal guoiovision 4 www TELE audiovision com 4 i di A BN mm 22 TELE audiovision International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovision corr NWW TELE audiovision cc 03 04 2014 TELE audiovision International amp XkZ amp BXBEmUuZ5 23 TEST REPORT Professional DVB C Signal Analyzer Signal Analyzer That Provides the Perfect Installation and Leakage Measurement of Cable TV Networks Rohde amp Schwartz is well known for their high quality test instruments that can be found primarily in laborato ries and R amp D departments For mobile applications the company has developed the new EFL product line for use by technicians to check and measure an installation One of the products from this se ries the R amp S EFL210 is es pecially interesting It has been conceived for the installation and mainte nance of cable TV networks with emphasis on the maxi mum attenuation
24. S PEE HE 300 E The operation of the R amp S EFL Suite is not at all complicated and doesn t first require reading a user manual even though a browser based user manual is available We really appreciated the import export capabilities to Microsoft Excel In this way you re not dependent on the functionality of the R amp S EFL Suite you can for example also use Micro 5 soft Word to create protocols This eR S re ee c would hardly be necessary since the protocols generated by the R amp S EFL Suite actually look quite good and can even be supplemented by a company logo Overall we very much liked the R amp S EFL Suite you l enjoy using it There are still a few bugs in the cur rent version but they will be corrected FESPNIWS by Rohde amp Schwartz in an upcoming update For example when the soft ware is linked with the R amp S EFL210 it incorrectly states that a new firmware update is available when in reality that update is only for the R amp S EFL240 and R amp S EFL340 models The R amp S EFL210 signal analyzer is the ideal solution for cable operators and their subcontractors that are responsi ble for the installation and maintenance n International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovision com amp ROHDE amp SCHWARZ 93 When the spectrum is shown in real time it only needs to render 25 to 50 images per second which is the LC
25. Y ARZ cu F m 24 TELE audiovision International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovisian com installers MA MM WERA LEAKAGE DETECTOR amp ROHDE amp SCHWARZ provides the best protection for its contents At first glance the analyzer itself looks rather unusual in that it isn t a typical rectan gular construction Instead it has a rounded almost oval shape to it It won t take long though for you to realize the reason for this ergonomic shape the R amp S EFL210 sits very comfort ably in your hands and can easily be operated with both thumbs as can be seen by the ring buttons located on the right side The analyzer can be securely held in your hands while at the same time all of its functions can easily be accessed Particularly clever are the three eyelets on which the carrying strap is attached This allows the technician to carry the R amp S EFL210 and have both hands free at the same time This can be espe cially crucial if you need one hand to adjust the antenna and the other hand to hold on to something This carry ing strap system is different from other systems that use only one strap that hangs around your neck Through a three point sys tem the analyzer also has a strap that wraps around your waist In this way the R amp S EFL210 doesn t dangle around the upper part of your body something that many technicians have to live with
26. ct antenna factor K The K value 1 The menu structure of the R amp S EFL210 at one glance One can see that great care has been taken to provide a user friendly and logical menu structure that allows to quickly access all functions of this instrument 2 Start screen of the Rohde amp Schwarz Memory Logger menu It is possible to store the measurements and graphs and to access SD type memory cards This is particularly important as technicians are often on the field for days generating a lot of information Using SD cards PREAMP POWERING EXTRA BURST NORM SELECT PLAN RETRIEVE SAVE DELETE EDIT NAME PARAMET FIELD STREN BANDWIDTH O pa MSUALIZE MEASURES SEARCHING CHAN UNCOR PAC DIGITAL AUTO A D CHANGE BAND PREAMP POWERING CREATE KE E UY um DELETE E EFL210 expresses the antenna gain for a given the data can be copied to them and 3 MEASURES PARAMET ee EDIT MACRO e EARCH LEV j frequency in MHz read on a PC without connecting the 3 The equipment info screen Throughout the test was using the latest firmware version 4 Let s start configuring the R amp S EFL210 The built in pre amp can be turned on or off and you can select the preferred QUALITY PROFILES DATALOGS MEMORIES LOGGER GRAPHS ANTENNA CONFIG SD POSITION ANTENNA EY POWER
27. d into the spectrum through Fast mode Fourier Analysis FFT This frequency range is continu ously swept across the se lected range This spectrum analysis implementation is called Hybrid Super Het erodyne FFT and offers the best compromise between an analog spectrum without FFT analysis and thus lower resolution and precision and a pure Realtime FFT spec trum FFT analysis across the entire frequency range something that can only be accomplished with extreme ly high computing power and multiple parallel running FFT analyzers In fact the R amp S EFL210 functions with a re markable FFT bandwidth of 20 MHz This makes it pos sible for example to simul taneously analyze the entire LTE frequency band The RBW filter Resolution Bandwidth specifies the fre quency bandwidth that the bandpass filter allows to pass through The smaller the frequency bandwidth the higher the resolution of the 52 TELE audiovision International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovision com things faster and to detect short timed signals Don t worry with the R amp S EFL210 all shown resolution bandwidths will be rendered in real time These pictures are just to show the effect of the RBW filter What is really important is to be able to adjust the RBW filter to the current span if you are using a wide span you want to use a higher resolution bandwidth to maintain the refr
28. e and even a sweep over various frequency ranges delivered consistent results something that real ly only can be achieved with high quality hardware To measure the sweep we You can also edit channel lists and it s even possible to create frequency tables and so called Macros Specifically these memory frequency tables MEM to gether with these Macros makes it possible to auto matically create measure ment protocols whereby the R amp S EFL210 automatically sets up and measures the preprogrammed frequen cies This is an excellent time saving way to perform the same measurement at dif ferent points in an installa tion CATV installers would especially benefit from this since the frequency ta ble from the cable provider would only need to be pro grammed once via Macro From that point on it would 44 gt VW gt a Digita NV Trade Magazi 083 04 20l www TELE audiovision com Hu www TEL audiovision com 03 04 2014 TELE audiovision International FRADSRANRSRMES 45 amp ROHDE amp SCHWARZ TNotice how I am holding the antenna For me this was the most comfortable configuration If you prefer you can screw the handle of the antenna rotated 180 degrees and hold it upside down n gc X 4 4 E 4 i 4 m j i A Ebdlul 03 04 2014 Peete E agerovision co T T a i t amp ROHDE amp SCHWARZ 145 00 MHz VHF SP 50MHz 200 kHzW
29. e demodulated picture the PID s and MPEG info s together with CBER This is a quick and simple way to confirm if everything is OK Notice that the rather borderline measurements of my CATV service is due to the fact that am using a very poor signal on purpose to see how the tuner of the R amp S EFL210 handles weak signals You can see the results no problem for the R amp S EFL210 ZOOM ea o CBER 8 4E 5 MER 690 00 26 1 dB Zoom 1 690 00 MHz CBER 8 6E 5 Start UncPkts 1 Previous 0 ARSCH 7 35 30 TErFree 21s MxTUlock 0s Current Worstint TLock N Ulock Cabo Porto 15 Serv s RTR Planeta BNT World TVR International E 690 00MHz CBER 8 4E 5 aan Phoenix CNE Cabo Porto 15 Sen SID 925 NID 42837 VPID 6208 APID 6209 MPEG2 MPEG2 L2 944x5T6i 11 por 03 04 201l4 www TELE audiovision com strength of this device the spectrum is displayed not only in real time but also provides a frequency span of 2500 MHz In this way you d be able to observe the entire frequency spectrum from FM all the way up to WiFi In addition to standard functions like the ability to place markers maximum of three different markers to calculate frequency and level power offsets RBW and VBW filters can also be individually customized Also the sweep rate can be selected from three dif ferent modes normal fast and special accuracy This is especially practical for a technician thi
30. em in the R amp S EFL210 The antenna factor AF or K fac tor is calculated using the formula AF E V and repre sents the ratio between the electric field strength E of the incoming radiation with respect to the output voltage V of the antenna But when you use the R amp S EFL Z100 antenna you don t have to worry about any of this simply select this antenna from the antenna menu and you re ready to go Naturally you can also connect any antenna you like to the EFL210 but then you would have to correctly define the antenna factor yourself This antenna defi nition can only be entered on a PC with the R amp S EFL Software Suite Since the antenna factor is depend E View ofa building with CATV cables Let s see if this doesn t produce some leakage Guess what yes it does mSince the R amp S EFL210 does not allow to record screen shots of the waterfall diagram in leakage mode did my best to take a pictures of the screen notice that to the left of the DVB T transponder at 754 MHz there is a lot of leakage from the CATV visible in blue color The reading in the waterfall diagram is not constant because lam swinging the R amp S EFL Z100 antenna around in order to determine the exact location of the leak user can store two self de fined antennas in the analyz er in addition to the already predefined EFL ZOO direc tional antenna and another R amp S antenna the R amp S HE ant on the actual frequenc
31. esh rate of the spectrum high If you are using a narrow span you want to have maximum resolution instead The R amp S EFL210 excels in the spectrum analyzer resulting spectrum But this higher resolution requires more time to calculate the spectrum and in turn more time to generate it If on the other hand a larger frequen cy bandwidth is selected for the bandpass filter the spec trum display is generated much more quickly but with a lower resolution With the R amp S EFL210 the RBW parameter is au tomatically set so that the resolution of the spectrum is as close as possible to the resolution of the display it doesn t make any sense to generate a spectrum with a resolution that is higher than the display itself can handle Naturally the bandwidth of the R amp S EFL210 s RBW filter can also be set manu ally This would make sense when for example two neighboring signals can only be differentiated with maxi mum resolution The RBW filler can be set from 300 kHz to 6 4 MHz amp ROHDE amp SCHWARZ The VBW filter is a Video Bandwidth filter Once the HF signal has passed through the VBW filter it is digitized by the detector The signal is digitized multiple times and depending on the setting of the spectrum function a video bandwidth sets the sensitivity with which two measured signal levels can still be differentiated And just like before the higher the sensitivity the slower the generation of
32. find the source very quickly 73 The waterfall diagram shows the UHF section of the CATV cable in our test center You can clearly distinguish ana logue transponders from digital transpond ers the thin lines belong to the analogue transponders Notice that they come in pairs one line is the video carrier the other the audio carrier 74 Using an antenna no CATV transpond ers are found which means that there is no leakage in this frequency range The signal you see comes from different radio applica tions am using a radio scanner antenna WIFI 75 Because the R amp S EFL210 can deal with frequencies up to 2 5GHz it is possible to analyze the 2 4GHz Wi Fi frequency range as well In these pictures you can see a download happening on my laptop which is connected to the access point by Wi Fi Interesting fact we have a pretty good Wi Fi connection in our test center because there are no interfering signals caused by access points from neighbors or other services like analogue video transmitters or wireless security cameras both normally use the 2 4 GHz frequency range EASURES CONFIG EQUIPMENT CONFIG TV MODE N ON Eee W QN a EL SP 5MHz 18 kHzW SP 5MHz 18 kHzW SP SMHz 121 10 18 kHzW SPAN FULL wi JG PAN SP 20MHz 200 kHzW SPAN FULL 800 kHzW ez SPAN FULL 800 kKHzW SPAN FULL 800 kKHzW A E mVin l SPAN FULL 1 94 800 kHzW SPAN FULL 800 kH
33. gnals are represented by a signal level while digital signals use the signal power In order to correctly represent the measurement at ELTE STRENGTH td vA BANDWIDTH Z 20 HON pu CM FIELD STRENGTH SPAN FULL 1250 00 6 4 MHzW 690 00 Pwr MHz 52 3 dBuV SP 200MHz 800 kHzW Pwr SP 50MHz 690 00 52 4 dBuV 200 kHzW MHz oA a Banowom 12 Nit alae Dna uc m Pwr 29 0 dBuV ANALOG 70 60 50 4 s d SP 20MHz 200 kHzW Pwr 33 5 dBuV 1000 00 MHz Level SP 100MHz 690 00 Pwr 26 1 dBuV 800 kHzW mHz 92 4 dBuV SP 2 0GHz 1000 00 6 4 MHzW MHz the measured values This increases 69520 9 Level MHz 96 2 dBuV AU aA SP 20MHz 200 kHzW Pwr 92 9 dBuV 200 kHzW www TELE audiovision com 03 04 2014 TELE audiovision International Ek 17 8 Eg B Xe BEMA SP 20MHz SP 20MHz indeed 8 MHz 690 00 MHz 690 00 BW MHz 7 0 690 00 Bw MHz 8 0 35 03 04 2014 www TELE audiovision com Handling both the R amp S EFL210 and the R amp S EFL Z100 is an easy task The antenna is not too heavy and the straps are very comfortable around the neck Thanks to the ergonomic shape of the instrument and its circular button grid you can access all functions with your thumb WhiteBox e Modular headend for multiple conversions e 19 base unit with redundant switch mode power supply e
34. his feature con tinuously shows the highest measured values and is nor mally used for example to perfectly align an antenna In this case with an active MAX Hold function the spec trum registers the wander ing power level You merely n OM EI TL haveto wait until it has gone 1 WG iat aiite ed through the entire spectrum 3 b Leakage in the LTE band is determined using the R amp S EFL Z100 antenna io without the dipoles and with the internal amplifier turned on For this you simply activate the 13V poweronthe RF connector It is reassuring to hear a slight click inside the antenna signaling that the amplifiers active yf zm ZF e E Our conclusion regard t i 1 PORE Mi ter Wi MI ing measurement precision 1H 1L Lil Hyi La TAM The R amp S EFL210 is not just f d TN a simple signal analyzer it s a fully featured test instru ment If you use this Rohde amp Schwartz unit to make a measurement you can be sure that the measured val ues will be absolutely cor HM 4 Fa rect iH E Whit NN i aN 4 Wg 3 Vir JHE ill Naturally Rohde amp Wani TR A 1 E 25 Schwartz also includes the au IE m A necessary Windows software i A iiy with the EFL210 the R amp S EFL Suite With this software measurement protocols us ing the stored Logger files in A far better way to check the EFL210 can be created
35. ion is happening at 742 MHz 68 The transmission at 742 MHz is highly directional pointing the R amp S EFL Z100 antenna to a different direction nothing is detected at this frequency 69 The same happens to the mobile phone transponder at 786 MHz Further rotation of the R amp S EFL Z100 and this transponder disappears as well 70 This is what leakage looks like You can clearly see the DVB C transpond ers despite the fact that was using the directional R amp S EFL Z100 antenna a few meters away from the coaxial CATV cable This should never happen in real life as it means that radiation is coming out of the coaxial cable interfering with radio services 71 The leakage is directional and with the current orientation of the antenna no leakage is detected spectrum in the upper half of the screen However the waterfall diagram clearly shows that leakage was registered within the last seconds when the antenna was pointing to a different direction If you slowly move the antenna from left to right you will quickly find the source of the leakage 72 The antenna is pointing at the leakage again the CATV transponders are clearly visible in the spectrum Notice how the waterfall diagram shows a faint signal which is getting stronger as the antenna points toward the leakage source This is an extremely useful functionality of the EFL 210 you won t just determine that there is leakage occurring you will indeed
36. od where each spectrum is represented as a color coded line black and dark colors signify a weak level while light colors indicate a high signal level We already reported on this type of display in TELE audiovision several times in the 12 01 2012 and 02 03 2012 issues The water fall diagram provides for a continuously running over view of the spectrum over a time span of seconds or minutes depending on how fast the waterfall diagram of the spectrum scrolls across the screen This is perfectly suited to quickly finding the source of any leakage sig nal by slowing moving a di rectional antenna back and forth The R amp S EFL Z100 is the perfect directional antenna for the job It consists of four pieces the antenna it self a hand grip that can be installed in two different po sitions as well a two metal rods that can be attached to the antenna on the sides turning the antenna into a dipole needed when work ing in the aircraft band When measurements are performed in the LTE fre quency range these dipoles are not attached The R amp S EFL Z100 is an active anten na with an integrated ampli fier This antenna was designed to work best on the most often encountered and most dangerous leakage frequen cies the aircraft commu nications band and the LTE mobile frequency band Roh de amp Schwartz went a step further and calculated the antenna factor for those two frequency bands and stored th
37. rted playing with the otherwise normal func tions you d find in cable TV measurements Here you can setup measure and dis play analog and digital tran sponders as long as they are not encrypted For a channel scan the standard cable TV frequency lists are prepro grammed into the analyzer although you can easily and comfortably edit and expand this list from your PC More on that later The following measure ments can be performed with analog signals e Level e V A e C N e C N L e Field Strength e Bandwidth e Display of reception pa rameters e BER e MPEG Channel list and video display with MPEG2 and MPEG4 support e Constellation diagrams e Evaluation of uncorrect able packets Measurements such as BAR Scan simultaneous sig nal level display of multiple channels in bar graph form and TILT skew that can be found in many other CATV signal analyzers are not available in the R amp S EFL210 It would be nice to have these functions to for exam ple properly set up an am plifier so that all of the fre quency ranges would have a uniform signal level But there s a reason that these extra functions are missing the R amp S EFL210 includes a spectrum analyzer that in the end is a much better al ternative Thanks to the logical menu structure and sufficient num ber of buttons using the R amp S EFL210 is a piece of cake We were able to work with all of the measurements in CATV mode withou
38. s function au tomatically selects the ideal RBW and VBW values for each selected mode In cable networks the higher frequency signals are distributed into the 50 to 2150 MHz range The re sult is that a large amount of data in a variety of different modulations is simultane ously transported namely radio analog TV channels digital TV transponders broadband Internet and te I I I I I I I I SP 10MHz 100 kHzW 4 U 40 Pwr 690 00 92 3 dBuV MHz 30 690 00 MHZ Pwr 52 4 dBuV SP 20MHz 200 kHzW 34 TELE audiovision International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovisian com lephony In a perfect world there wouldn t be any sig nal leakage from the cable network but of course the real world looks quite differ ent Various leakage signals can manifest themselves and could be caused by the smallest imperfection in a coax cable or an improperly attached connector Even utilizing defective passive or active compo nents could cause signal and the refresh rate is in real time 36 The same frequency but with a still rendered in smooth real time 35 This is a detailed view of the selected CATV transponder Using a span of 10MHz with a RBW filter width of 100kHz the transponder is rendered with a very nice detail Individual carriers can be identified span and a RBW filter settings of 200kHz 37 Now with 50MH
39. so good band pass filters which produce second harmonics that are stronger than expected This second harmonics is visible as the first smaller line to the right of the main signal 77 This is the spectrum view around the center frequency of 145 MHz wcith a 20 MHz span The hand held radio is not trans mitting in this picture thus the transmis sion at 148 5 MHz is not being disturbed 78 See what happens in this picture when le Configuration Meter Window Help R amp S EFL240 EFL340 Portable TV Test Receiver d Copyright Rohde amp Schwarz e ROHDE amp SCHWARZ R amp S EFL Suite Version 4 15 Help List downloaded 03 11 2013 19 47 06 lt List downloaded 03 11 2013 19 47 06 SP 20MHz 145 00 200 kHzW MHz you use the cheap hand held radio lots of harmonics obfuscating all transmissions in vicinity With the R amp S EFL210 you can uncover problems resulting from such devices very easily and in an affordable way Thanks to the included directional antenna you even get to know where the transmission is coming from if the inter ferences are within the supported bands of the R amp S EFL Z100 antenna Otherwise you can use the R amp S HE 300 antenna which covers the whole spectrum from 9 kHz to 7 5 GHz thanks to its modular design amp Configure personal information Logo Company info Installer info Meter information Ini xi
40. st setup was actually quite simple we merely inserted a small dipole antenna into the cable TV port Sure enough from several meters away and even through a wall we were able to identify some QAM transponders very close to With analyzers like the R amp S EFL210 it can be dif ficult to compare meas urement results from the spectrum display with other analyzers Why Because the R amp S EFL210 displays the spectrum in a higher resolu tion thus letting you identify individual carriers within a transponder Of course the signal strength varies con siderably depending on the content of the transmitted data If you want to be able to compare different analyzers side by side you d have to set up all of the parameters equally such as range as well as RBW and VBW filters But it would be difficult to do this because of the differ ences in the settings of each device You would also have to hope for uniform data the precision of a signal ana lyzer like the R amp S EFL210 is to measure a synthetically created signal with known parameters That s why we used a calibrated signal gen erator to test the measure ment precision of the R amp S EFL210 To that end we gen erated a signal at various frequencies and at different power levels and measured it with the R amp S EFL210 It s quite impressive to see how precise the measured values turned out Measure ments that are off by less than 1 0 dBm are incredibly precis
41. t having to refer to the user manual Especial ly useful is the simultaneous display of the image and the spectrum Although the dis played image is distorted it is still easy to determine the quality of analog signals by simultaneous analysis of the spectrum The R amp S EFL210 s spec trum analyzer highlights the amp ROHDE amp SCHWARZ 14 Measuring analogue CATV channels is very simple and quick Just select the required frequency and off you go AII relevant information is displayed in one single screen and PASS WARNING FAIL icons show immediately if the channel to noise ratio video to audio ratio and signal level are adequate 15 If only one measuring parameter is important it can be displayed exclusively in a larg font 16 One of the special features of the R amp S EFL210 is its capability of mixing different information into one single screen For analogue channels visualizing the image is often not enough Being able to evaluate the line signal allows to check for example if the sync signals are within conformity 17 This oscilloscope functionality can be displayed individually It is possible to select the line to be analyzed and to zoom XE Y ur d pa 4 C N L 6 41 6 dB MEASURES E E 695 25 MHz OFF C4 PAL BIG 4 FCCSTD 413 5 50MHz 200 kHz VIA OLevel 16 7dB 56 7 dBuV E 695 25 MHz CIN L 6 41 2 dB SEARCHING X CHANNELS 2 row HUI n Jg E a m DK o Pw COM
42. the constellation diagram or a statistic with how many uncorrected packets are being received 28 This screen allows to edit the reception parameters Notice that the deviation of the Symbol Rate is automatically calculated and shown All of these values can be set to automatic and in most situations the R amp S EFL210 will be able to automatically tune to the QAM transponder 29 Here we see the demodulated MPEG picture The R amp S EFL210 supports both MPEG 2 and MPEG 4 so you are always prepared for whatever standard is being used The OSD shows the CBER along with the relevant channel PID s and MPEG information 30 The constellation diagram is fast and functional 31 With QAM64 you get four quadrants and you can zoom into each one of the four 32 This will allow analyzing the constellation in more detail If you give the meter a few seconds it will display MER and CBER as well thus allowing a Freq 690 00 MHz CBER 8 5E 5 Un L Pwr 52 1 dBuV CBER CIN 344 dB MER Cabo Porto 15 Serv nternacional Deutsche Welle Novo SD TSC4 01 4 PARAMET BE 690 00 MHz R 6E 5 LEID MPEG 52 1 dBuV CBER cem 346 dB MER CONSTELL UNCORRECT 5 Serv PACKETS ONE Phoenix Infonews RTR Plane W Parameters 7 0 MHz 6875 1 3 64 QAM Spect Inversion Auto Off Standard J 83 AIC DFE OFF Bandwidth Symbol Rate Constellation 32 complete analysis of the signal Note that CBER is the Bit Error
43. the spectrum display The R amp S EFL210 sup EXPERT OPINION RECOMMENDED PRODUCT BY amti TELE audiovision THE WORLD S LARGEST DIGITAL TV TRADE MAGAZINE maximum value or an aver Msa age value is calculated The ports video bandwidths from 100 Hz to 1 MHZ Vitor Martins Augusto Test Center Portugal Measuring Satellite and Terrestrial Antennas with the R amp S EFL210 Although the R amp S EFL210 was not conceived for satel lite antenna installations and doesn t come with a cor responding demodulator it s still possible for the tech nician to set up satellite antennas with this analyzer For one thing the R amp S EFL210 can display the required spectrum from 950 MHz to 2150 MHz with every possible function in real time The R amp S EFL210 is also capable of supplying the necessary 14V and 18V for the LNBs as well as switching between vertical and horizontal po larization The only thing missing is the 22 kHz signal to switch between the low and high bands But it would be good enough to install and align a small satellite an tenna It s important to note that an installer working under contract to a provider who sets up both CATV and satellite reception systems would save themselves the cost of a second analyzer guciovision www TELE audiovision com e Allows a span over the whole 2 5 GHz frequency band e Configurable RBW and VBW filters e All common measurements a
44. u can specify the level thresholds Once the set level is reached the instrument stops the search The search function can be done in both directions and the spectrum updates in real time following the frequency 23 Once a channel is found with at least the specified signal level the search stops and immediately the measurements are presented 24 To make the channel tuning easier it is possible to select from a list of predefined channel plans have created my own channel plan covering all analogue channels of my cable operator using the R amp S EFL Suite on the PC 25 Configuring the audio 03 04 2014 www TELE audiovision com 249 00 MHz Level 5 6 dBuV lt 1 0 lt 1 0 175 25 MHz Level 64 4 dBuV VIA 19 2 CIN 51 1 CIN L 6 47 2 FCC RETURN FCC IRC FCC HRC FCC OFFAIR CCIR TVCABO VIA 19 0 CIN 51 5 CIN L 6 41 6 5 50 MHz 5 74 MHz OTHER NICAM A 64 4 dBuV NICBER CIN gt 52 0 CIN L 6 48 1 amp ROHDE amp SCHWARZ 26 All measurements clearly visible at one glance Frequency CBER Signal Power C N Ratio and MER Notice that CBER is shown twice once along with the other measurements and then a second time in a bigger format On the bottom you get the list of services contained in the current transponder 27 Pressing the MENU button will show further options You can edit the reception parameters visualize BER with more detail and display the MPEG picture
45. u did as suggested and looked it up in the device manager 84 Once connected the R amp S EFL Suite will read out the memory of the instrument This takes only a few seconds 85 On the right side you can now choose what you wish to download from the instrument to the computer data logs graph logs actual screen shots or channel plans 86 The data logs can be viewed on the PC and you can check them so that they are included in the report generated by the R amp S EFL Suite 87 A perfect looking report gener ated automatically by the R amp S EFL Suite and using our custom logo and company information 88 Of course you can generate reports with screen shots as well 89 Just select which screen shots you want to include using the Mark to print option It is great that you can export these screen shots as regular pictures too This way you can use your own report templates for instance using Microsoft Office products www TEL audiovision com 03 04 2014 TELE audiovision International amp X amp 17 ES XByZgdmBUuzts 49 amp ROHDE amp SCHWARZ 90 The R amp S EFL Suite allows to edit the chan nel plans and of course you can create your own customer channel plans This is required when you are working for a CATV provider who uses specific transponder frequencies Just program them once and off you go 91 Another interesting feature of the R amp S RASBEFL Suite Ust downloaded 0
46. vailable for spectrum signal power level bandwidth up to three markers e Integrated CATV analyser with analogue and digital measure ments signal power level C N MER BER constellation diagram etc e Demodulator for analogue Radio and TV MPEG 2 and MPEG 4 e Leakage measurement through waterfall diagram in selected frequency bands FM Aeronautics VHF UHF LTE GSM and WIFI e Includes directional antenna for aeronautic and LTE frequency band e Allows to measure leakage to comply with EMI regulations e Easy and intuitive operation e Highest accuracy e Does not allow to capture screenshots in Leakage mode The same scenario exists with the sporadic use of the R amp S EFL210 in aligning antennas for terrestrial digital TV Here the excellent real time spectrum would help and even amplifiers and active antennas could be used with the available 5V 14V 18V and 24V If you need to set up antennas for DVB T T2 you could also use the R amp S EFL210 PREAMP POWERING EXTRA BURST Meas Volt V 0 0v I 0mA ExtraBurst OFF EXT SUP BATTERY LOAD amp ROHDE amp SCHWARZ EFL210 CABLE TV ANALYZER amp LEAKAGE DETECTOR 54 TELE audiovision International The World s Largest Digital TV Trade Magazine 03 04 2014 www TELE audiovision com
47. y the antenna configuration in the R amp S EFL Suite involves entering a table for each frequency a corresponding K factor can be entered The www TEL audiovision com 03 04 2014 TELE audiovision International amp X amp 17 ES By gd amp BUuzts 39 M amp ROHDE amp SCHWARZ To measure in the aeronautics band you need to use the two dipoles attached The 13V power feed can be turned off as amplification will increase the gain only marginally 40 03 04 2014 www TELE augiovision com Aero 59 A span of 5MHz may be a small span for CATV and satellite technicians but it is a huge span for radio communication specialists Thanks to the very narrow RBW filter of just 18 kHzW you can clearly see all radio communications happening within the selected span In this case a pilot is speaking to the tower 60 Here you see the tower s reply Because our test center is just 10 km away from the airport we can clearly receive such communications The waterfall display allows to register all communica tions within the span over a period of time Notice that the R amp S EFL210 displays the signal level accurately in V m which is the correct unit to measure EMI 61 No transmission happening now on 121 10 MHz the frequency used by the OPO airport tower Imagine the conse quences of a leakage generating inter ference on this frequency This could severely disrupt the communication between pilot
48. z span Everything is leakage and especially with these types of defects the coax cable could end up be having like a transmitting antenna that depending on the type of defect would broadcast the signal in the coax cable across various frequency ranges Thats why there are spe cific regulations and rec ommendations that dictate what kind of leakage and how much of it can be toler the marker frequency you can select which mode you are interested in 43 Within the spectrum you can now measure in the analogue mode Level VIA video to audio ratio C N channel ated before it becomes too much Signal leakage has become even more preva lent since the introduction of LTE 4G mobile networks for broadband Internet Ca ble network operators there fore need to painstakingly test and protect their cable networks against any signal leakage And its exactly this problem that the Rohde amp Schwartz EFL210 with the di useful for u to noise ratio Field Strength and the 20MHz Bandwidth 44 Another nice and useful feature the R amp S EFL210 shows an automatic quality assessment of the signal If you 46 Measuri rectional antenna EFL Z100 were meant to be used for this compact measurement instrument makes it possible for the technician to quickly and easily test a cable net work for any signal leakage locate it and then eliminate it This instrument also si multaneously functions as a cable TV
49. zW aii SPAN FULL 754 00 800 kHzW SPANFULL 414 00 800 kHzW MHz UHF SPAN FULL 800 kKHzW B SP 5MHz 18 kHzW MHz Aero SPAN FULL 800 kHzW diovision com 03 04 2014 TELE audiovision International 4 X amp f amp 5SmXmlxgmuzt 43 Wwuw TELE auU a DUNS SSS Pee SS PPT PTS i 081 9429241206424 Pal Peal Pas Peal Pee 1041091 44099 298 7 8 4 Pk RE he PRE he ee T e MID LN 4 M HIIT gt 4 4 ba MUNG H a E 3 t ma niti uit m NIN NA a A 2 N gt i HDS IT tartan tte bea tte A Na kana Ir MS HIM H Nana a ata a kag Naah ki E T T gt T T 14 MI la tas b 2e h gt Te i THM un HIM DUUNDMI NEN a RS P 1 ag teta PT TE INI IN ISIN E NON R IBDNMIBBNS Win MN T SEQ AIMMIP ut RERA E i i RSS RJ f KORNI HITRI NT H Aii Hr lt i ee SSS 4 Nn HIN e te 4 gt k EN ja 63 139 2034 4 HN M s 4 A d gt tts HE PER PRG Mtt a i gt S 9 bal LI ES 17 wu Ww TWIN IN siS LIINI u Mai sa M OM Oe re os ini 5 itas H E att Pu M is Seay hi ta then v NG a n WM Sa Meh hau hon ee 42 i 4 ey aa UNE SERSUT N AN IN laca Nw gt 1 4 H x ROHDE amp SCHWARZ Nd MB RS Often though the source used a very simple trick of the leaks were not the splitters of the CATV the MAX Hold function was operators utilized T
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