A860 User Manual
Contents
1. stp VIDEO MODULATION LEVEL AUDIO mr ou 9 4 4 MACOM Front View Or Or OS Rear View Specifications RF OUTPUT VIDEO INPUT GENERAL Frequency Range 54 860 MHz Level 7 1 0 V Power Input 90 260 VAC 28 W Level 60 dBmV min Frequency Response 1 0 dB max Operating Temperature 10 C to 50 C Level Adjustment 20 dB Impedance 75 ohms Dimensions 19 L 1240 x 1 75 H Impedance 75 ohms Differential Gain lt 2 typ Weight 7 8 16 Frequency Stability x3 kHz Differential Phase 1 typ Connectors RF amp Video F type Audio Video Ratio 10 to 20 dB Chrom Lumin Delay 8 ns Audio 600 ohms terminal strip Adjustable Hum and Noise 60 dB Output Return Loss 18 dB RELATED PRODUCTS In Band Spurious 62 dB AUDIO INPUT D860 Agile A V Stereo Demodulator Out of Band Spurious 65 dB Level Mono 0 5 V p p 1 V p p EAS 12B Emergency Override System VSB Response 60 dB min Level Left Audio 0 5 V p p 1 V p p C860 Bi Directional Combiner C N In Band gt 62 dBc Level Right Audio 0 5 V p p 1 V p p L860 Bi Directional Launch Amplifier C N Out of Band gt 65 dBc Frequency Response 1 5 dB max DSP806 HDTV Agile Channel Processor Impedance 600 ohms IF OUTPUT Preemphasis 75 us switchable Video Level 38 dBmV Audio Level 22 dBmV MPX BTSC STEREO Composite Level2. Z MACOM PROFESSIONAL SERIES Installation and Operation Manual Operation Manual Rev 11 05 D escription Agile Modulator gt y 2 Rev 11 05 Re broadcast quality performance specifications match those of fixed channel modulators Integrated BTSC Stereo optional 60 dBmV minimum output for optimum carrier to noise performance Precision SAW filter for superior adjacent channel performance enables drop in channel expansion State of the artdigitalphase lockedloop PLL designguaranteesprecisefrequency locking for solid drift free operation Superior design including automatic band splitting filters for excellent carrier to noise ratio 265 dB Bright LED bar graph provides simple modulation set up Microprocessor tuning control provides digital display with push button channel selection for ease of installation configuration and servicing Rearpanelinterfacesacceptbasebandvideo andthreeaudioformatstoprovidemaximum installation flexibility Composite and separate audio and video IFloopsallow compatibility withencoders ghostcancellersandvideooverrideapplica tions MPXstereoloop provides encodedstereo inputandcompatibilitywithEmergencyAlert equipment IRCandHRC inputandoutputoffsetavail able for frequency setting in systems using offset channels AMACOM PROFESSIONAL SERIES A860 Agile Modulator The MACOM A860
3. 35 dBmV Level 2 2 V p p Video Stability x3 kHz Impedance 500 ohms Audio Stability 2 kHz Frequency Response 1 dB 50 Hz 14 kHz Impedance 75 ohms Total Harmonic Distortion 0 376 4 5 MHz INPUT S N 75 dB Level 37 dBmV Separation 35 dB 50 Hz 12 kHz Impedance 75 ohms Ordering Information A860 Agile Modulator A860S Agile Stereo Modulator 4 rico Ph 800 421 651 1 www picomacom com 3 Rev 11 05 Safeguards AMACOM PROFESSIONAL SERIES Product Inspection Inspect the equipment for shipping damage Should any damage be discovered immediately file a claim with the carrier Important Safety Instructions To ensure proper installation and operation take a moment to read this guide before proceeding with the installation If you have any questions or comments about the A860 Agile Modulator please contact your dealer or have him contact the PICO MACOM Service Center at the phone number on the bottom of the page The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature a
4. 800 421 6511 www picomacom com 4 Rev 11 05
5. ION 810 21 f BONDING JUMPER NOTE TO THE CATV SYSTEM INSTALLER THIS REMINDER IS PROVIDED TO CALL THE CATV SYSTEM INSTALLER S ATTENTION TO ARTICLE 820 22 OF THE NEC THAT PROVIDES GUIDELINES FOR PROPER GROUNDING AND IN PARTICULAR SPECIFIES THAT THE CABLE GROUND SHALL BE CONNECTED TO THE GROUNDING SYSTEM OF THE BUILDING AS CLOSE TO THE POINT OF CABLE ENTRY AS PRACTICAL 4f rico macom P Connections and Controls a 0 0000 O 9 00 9 860 Agile Modulator VIDEQ MODULATION LEVEL t m ya i M AUDIO MODULATION LEVEL eK 4 o 4MACOM d WO Met dm wr CO PROFESSIONAL SERIES FONT 5 D D D __ O O O O O O T MOO 648 0969626263 2969 26 e Z 29 1 Video Modulation Level Green LED indicates correct video 18 Video Output 45 75 MHz Video carrier output to modulation level scrambling device or video carrier input 2 Audio Modulation Level Green LED indicates correct audio devia 19 Audio Input 41 25 MHz Sound carrier input from audio tion level scrambling device or sound carrier output 3 A V Ratio Adjustment Used to set level of audio carri
6. agile modulator is a frequency agile audio video professional re broadcast grade microprocessor controlled CATV modulator Attractive and easy to operate the sleek design highlights the useful front panel modulation bar graphs and channel indicators The simple push button tuning interface allows the A860 to be config ured for CATV standard HRC and IRC or North American broadcast channels with an RF output of 60 dBmV The front panel output test point provides a quick reference test point prior to channel combining equipment saving time and service interruption during setup and maintenance The A860 features rear panel interface connections for input of NTSC video and monaural and discrete left and right audio The integrated stereo encod er optional will provide a BTSC stereo encoded output channel MPX loop and 4 5 MHz modulated audio input connections are provided to bypass the internal stereo encoder for compatibility with external units additionally the MPX loop is useful when used with the EAS 12B emergency override system A composite audio video IF loop provides com patibility with scrambling encoders ghost cancellers and IF override applications The unit conforms to FCC Docket 21006 for frequency accuracy The MACOM line is backed by an industry leading 5 year limited warranty Ph 800 421 6511 www picomacom com M Pico MACOM Z MACOM PROFESSIONAL SERIES A860 Agile Stereo Modulator Specifications
7. ble converter 28 RS485 Not active at the present time 29 Power Cord Receptacle Connect power cord to this receptacle The switching power supply accepts any input voltage from 17 Video Input 45 75 MHz Video carrier input from video 90 to 260 VAC scrambling device or video carrier output 14 RF Output Port Connect this port to distribution system 15 Composite Input Input from I F scrambler or output 16 Composite Output To input or to scrambling device 5 4 rico MACOM Ph 800 421 6511 www picomacom com Rev 11 05 Installation a MACEM Installation Procedures Adherence to these precautions will help prevent problems during initial installation of the A860 1 Connect an jumper from the composite output to the composite input on the rear panel Connect an jumper from the video output to the video input on the rear panel Connect an jumper from the audio output to the audio I F input on the rear panel 2 Connect the A860 to a 115 VAC grounded receptacle Observe the front panel LEDs indicating the unit is active 3 Using a signal level meter or spectrum analyzer set the output level to 60 dBmV 4 Check the aural carrier level It should be set at 15 dBmV below the video carrier WARNING Whenconnectingthe A860directlytoaTV set attenuate the outputsufficientlyto preventoverdrivingthe TV Thefrontpanel
8. ccompanying the appliance WARNING TOREDUCETHERISKOFFIREORELECTRICSHOCK DONOTEXPOSETHISAPPLIANCETORAINORMOISTURE DONOT OPEN THECABINET REFERSERVICINGTOQUALIFIEDPERSONNELONLY TOPREVENTELECTRICSHOCKDONOTUSETHE POLARIZED PLUGWITHANEXTENSIONCORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE 1 Read Instructions All safety and operating instructions should be read before the appliance is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the appliance should be adhered to 4 Follow Instructions All operating and user instructions should be followed 5 Cleaning Unplug this appliance from wall outlet Use a damp cloth for cleaning Do not use liquid cleaners or aerosol cleansers 6 Do Not Use Attachments not recommended by the manufacturer they may cause hazards 7 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to persons and serious damage to the appliance 8 Damage Requiring Service Disconnect this product from the sys tem and refer servicing to qualified service personnel under the following conditions a If liquid has been spilled or objects have fallen into the product b If the product has been exposed to rain or water c If the product does not operate normally by following
9. er 20 Audio I F Output 41 25 MHz Sound carrier I F to audio scram 4 Video Modulation Adjustment Used to set video depth of bling device or sound carrier input modulation 21 4 5 MHz Input Input for BTSC stereo encoder operation 5 Left Right Stereo Level Adjust Used to set left or right 22 MPX Out Used to provide MPX output to additional modulators channel audio level Active only with stereo option when internal stereo encoder is present thus eliminating need for additional encoders 23 MPX In Out Loop the MPX Input and Output when internal stereo encoder is used 6 Mono Adjustment Used to set mono level 7 Channel Display Indicates which channel is active 8 Offset Indicator LEDs Indicate if standard or offset formats reactive 24 Video Loop In Connect baseband video to this port 25 Video Loop Out This port provides the video sync to external PM SE stereo encoder 9 Offset Selector Used to select standard or offset formats 10 Channel Select Up Down button select channel of interest 11 4 5MHz Level Used to adjust 4 5 MHz level 26 Mono Stereo Switch Selects either mono or stereo modes Stereo mode is only present on stereo encoder equipped models 12 RF Level Adjust Used to set RF level 27 Audio Input Left Right and Mono Accepts any baseband audio 13 30 dB Test Point Used to monitor RF output level output source such as a satellite receiver VCR security camera or ca
10. roducts The technique is used in expensive phase locked headends where all units are tied to a master 6 0003 MHz oscillator with a maximum error of 1 Hz 6 Ph 800 421 6511 www picomacom com PICO Rev 11 05 Installation mr RR 080 Signal Combining Methods The output levels of the modulator should be the same as the output of the off air strip amplifiers The A860 modulators are usually combined with either the DSP806 channel processors or XBS series strip amplifiers Three methods are suggested to combine strip amplifier modulator and processor outputs The C860 twenty four channel combiner consists of two rows of directional couplers combined by a hybrid splitter The directional coupler combining provides high isolation gt 40 dB between the inputs Normally the odd channels are combined on one row while even channels are combined on the other row of directional couplers The combiner loss is 28 30 dB per channel Used with an L860 distribution launch amplifier the system s RF output provides high quality distortion free programming The CHC 16U 860 provides both signal combining and post amplification of the headend signals Up to 16 channels may be combined using the CHC 16U 860 The combiner gain is 15 dB per channel The final method of combining signals uses three hybrid splitters per headend rack The odd channels are combined in one splitter the even channels in another splitter and the
11. sed or damaged due to neglect or improper installation Modified Repaired by someone other than the warrantor Sold by the original purchaser PON gt Statement of Remedy To obtain such a warranty service contact the salesperson where the product was obtained You will be issued a Return Authorization RA number which will be used to track your product Be prepared to provide 1 The model number and channel number of the product 2 The date of purchase 3 A specific identification of the problem Deliver the products to Pico Macom Inc or ship the products in the original packing material to the address below Include satisfactory evidence of the date of purchase Products will not be accepted by Pico Macom Inc without the RA number clearly indicated on the shipping label The foregoing constitutes the Pico Macom Inc entire obligation with respect to this product and the original purchaser and any user or owner shall have no other remedy and no claim for incidental or consequential damages Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusions or limitation of incidental or consequential damages so the above limitation and exclusion may or may not apply to you This warranty gives you specific legal rights and you also have rights which vary from state to state U S A PICO MACOM Pico Macom Inc 6260 Sequence Dr San Diego CA 92121 YEAR WARRANTY 8 Ph
12. test point is useful for monitoring modulator output 5 Connect a 1 0 volt peak to peak video source to the VIDEO IN on rear panel Connect the RF OUT to a TV set and compare the contrast and brightness to a known signal use off air signal to insure a proper modulation level If necessary adjust the video modulation until proper contrast is observed 6 Connect an audio source to the AUDIO IN on rear of the unit Set audio modulation peak deviation to 25 kHz with the audio modulation adjustment A known off air signal and a TV may be used to set adjustment for equal audio level 7 Connect the RF OUTPUT to a combining network FREQUENCY OFFSETS The Federal Communications Commission requires that cable system modulators which operate in the aircraft communications and navigation bands are offset in frequency by 12 5 kHz The A860 PLL oscillator is factory set to comply with FCC requirements for frequency accuracy 5 kHz in the aeronautical communication and navigation bands FREQUENCY CHANNEL NUMBER OFFSET 121 2625 137 7625 MHz 14 15 16 12 5 2 109 2750 119 7750 MHz A 2 1 98 99 25 kHz 229 2625 329 7625 MHz l 25 41 12 5 kHz 331 275 335 775 MHz FF 42 25 kHz 337 2625 401 7625 MHz GG QQ 43 53 12 5 kHz Harmonically Related Coherent HRC video carriers and Incrementally Related Coherent IRC video carriers are CATV channel assignment methods to reduce the effect of beat p
13. the operating instruction Adjust only those controls that are covered by the operating instructions An improper adjustment may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation d If the product has been dropped or the cabinet has been damaged e When the product exhibits a distinct change in performance this indicates a need for service 9 ReplacementParts Whenreplacementparts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original parts 4 Ph 800 421 6511 Rev 11 05 www picomacom com 10 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating conditions EXAMPLE OF ANTENNA GROUNDING ACCORDING TO NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810 RADIO AND TELEVISION EQUIPMENT SERVICE ENTRANCE CONDUCTORS STANDOFF INSULATORS MAST SERVICE ENTRANCE EQUIPMENT ANTENNA LEAD IN WIRE ANTENNA DISCHARGE UNIT TO EXTERNAL ANTENNA POWER SERVICE GROUNDING TERMINAS OF ELECTRODE SYSTI e g interior metal TNG pipe GROUND WIRE GROUND CLAMPS OPTIONAL ANTENNA GROUNDING ELECTRODE DRIVEN 8 FEET 2 44M INTO THE EARTH IF REQUIRED BY LOCAL CODES SEE NEC SECT
14. two splitters are combined to a single output with a third splitter Each rack is then combined with a final splitter prior to the CA 30RK1000 or L860 post amplifier XBS Denotes low medium high and superband 2 volt strip amps V A860 60dBmV cn 2 A C860 24 CH COMBINER 30dB MACOM ATO6 FORWARD OUTPUT ATTENUATOR PAD V F860 604 ch 3 A RETURN PATH INPUT f necessary 30dBmV M 10dBmV DSP806 60dBmV Ch 4 RETURN PATH OUTPUT PFAP550MS RF 10dBmV IN 60dBmV Ch 5 TO DISTRIBUTION SYSTEM Chs 6 7 8 etc CAMERA ANY AUDIO VIDEO SOURCE SUB BAND RETURN PATH VIDEO PCM55 SUB BAND MODULATOR AUDIO RF OUT NOTE INPUT LEVEL WILL VARY REFER TO CHANNEL LOADING SPECIFICATIONS 4 PICO MACOM Ph 800 421 6511 www picomacom com Rev 11 05 Warranty EE gt Five Year Limited Warranty Pico Macom Inc warrants to the original purchaser this product shall be free of defects in material and craftsmanship with only the limitations or exclusions set out below During the warranty period Pico Macom Inc or an authorized Pico Macom service facility will provide free of charge the parts and labor necessary to correct defects in material and workmanship Warranty Duration This warranty shall terminate five years from the original date of purchase of the product or at a time the product is Misu
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A860 User Manual