MICROWAVE RADIO TIEST SET - NSCA TRA-CAL
Contents
1. 2 Test Signal Power IF 750 104 nominal RF 509 5dBm nominal 3 Accuracy IF R L measurement accuracy is for test terminal of WECo 560 without adapter within 1dB for 10 to 30dB R L within 2dB for 0 to 10dB R L and 30 to 40dB R L Return loss of adapter WECo 358 to WECo 560 MP533A is more than or equal to 40dB RF R L measurement accuracy is within 3dB for up to 25dB and visible on the display for up to 30dB 4 SPECTRUM ANALYZER 1 General Requirement Provides a visual indication of the spectra of the total IF bands of fo 32MHz with a dynamic range of over 70dB 2 Scan Width Selection IF Bands 1MHz fo 70MHz amp 74 1MH7 5MHz fo is centered on display 15MHz 32MHz Page 1 7 ASAC 104 201 501 Dynamic Range 4 5 6 7 8 Spurious Reference Selection XY Plotter Output Input Buffer Amplifier Sweep Speed DISPLAY CIRCUITRY 1 2 5 6 7 8 Vertical External Input Common Mode Rejection Vertical Sensitivity a to d Type of Signal Input a IF Detected b RF Detected c amp IF Return Loss d External DC Detected Vertical Bandwidth Input Network both Vertical and Horizontal Horizontal External Input Horizontal Sensitivity including external input Blanking 9 Z Axis Page 1 8 Table D Cont 70dB 1MHz 60dB all other scan widths 10dB sensitivity cm of deflection 60dBm all sca2. 8 Time Base Adjustment 9 Oven 10 Sample Rate 11 Gate Time 12 Resolution RF Measurements Option 002 13 to 17 13 RF Frequency Range 14 Input Network 15 Input Connector 16 Input Level 17 Resolution 9 ENVIRONMENTAL 1 Specification Compliant Ranges a to c a Temperature b Altitude c Relative humidity ASAC 104 201 501 Table D Cont l a At least 5 x 10 after 15 minutes warm up for a minimum of 2 hours and b At least 5 x 10 per day after 24 hours continuous operation t1 x 107 per year 1 x 10 for AC 103 to 127V 10MHz IV peak to peak minimum across 50Q TTL compatible A minimum of 5 x 10 Crystal oven remains on when the front panel power switch is turned off Minimum 0 08 seconds Variable by steps of 0 08 0 8 2 seconds and hold 10 1 and 0 1 seconds 0 1 1 and 10Hz 2GHz band 2 11 to 2 18GHz option 003 4GHz band 3 65 to 4 25GHz 6GHz band 5 8 to 6 5GHz 11GHz band 10 6 to 11 7GHz option 001 directly without manual or external prescaling or tuning Over the specified frequency range the input impedance is a nominal 50 2 Type connector 20dBm to 7dBm 1 2 0 C to 50 C O to 10000 feet above sea level 10 to 95 1 13 ASAC 104 201 501 Table D Cont 2 Storage Range 40 C to 60 C 3 Warm up Time a 15 minutes from turn on f
3. Displaying Unit 2 02 Furnished Ancillary Equipment List is as follows Sending Unit Furnished Ancillary Equipment IF Power Head 10 to 300MHz 7592 WECo 440 Model No or Part No IF POWER HEAD RF Power Head 0 1 to 11 7GHz SOQ Type RF POWER HEAD Directional Detector 3 65 to 11 7GHz DIRECTIONAL DETECTOR Coaxial Low Pass Filter 4GHz N M F MA62A Coaxial Low Pass Filter 6GHz N M E MA63A Leveling Cable Assembly A FA6 Cable BNC M to BNC M 2 5m FA7 L Cable BNC M to BNC M Power Head Cable IF black 0 13m FA7 2 2 5m Power Head Cable green 2 5m FA8 1 Page 1 2 FA8 2 Cable WECo 440 to WECo 440 2 5m FA9 AC Power Cord yellow 7 6 Self contained Card Extender Fuse 5A c 16 Fuse 0 5A iz 17 Secondary Fuse 10A 2 1 6 Note WECo 440 or Equivalent Options 2 03 In addition to the basic MRTS ME6454A the follow ing options are available 1 Option 001 Conversion to add 11GHz capability The addition of the 11GHz band is possible both in the original order or on a retrofit basis Furnished Ancillary Equipment for option 001 Coaxial low pass filter 11GHz Type N M F MA71A 2 Option 002 Direct RF counting Direct RF counting can be included only in the original order
4. WECo 440 to 560 1 MA49A Insertion Loss 38JB SOMIT 61 gt 1 70 gt 34B 79 35dB 9OMHz Return Los gt 26dB 64 to 76 750 29 Filter 70MH ow Pass WI Co 440 ta 560 1 410 61MHz Pass 70 S 604 TMH Reject gt 14dB za 4 1 MlIz Band Pass WE Co 440 560 yn Loss 35dB 54 1MITz 65 1 MHz 1 2dB 74 1 MHz 3dB 83 1MHz 354 94 1MHz Loss 26dB 68 1 to 80 1MHz 7 _ Da Low Pass WECo 440 to 560 m dE MAAIOB Pas gt 60dB 83 1MHz Reject gt 14dB 32 Filter Low Pass d 0 5 to 0 utem 1 17 Loss L 5dB MASSA Stop Band 1 do L4GHz Lo Low 400 is NOCH 33 Filter Low Pass Pass Band 0 7 to IGHz VSWRLI7 Loss lt 1 5dB 00 001 d o MASTA to 2GI Los gt 40dB Type NOL i E Amplifier 38 to 45dB adjustable 55 to 95 Flamess lt 0 34B Po Max gt 5dBm E 1 MA48A with 3m DC Cable WECo 60 to 560 B _ I Return Loss Bridge 55 to 90 Bridge Balance gt gt 554 Test port WECo 440 MR3A RI Return Low Bridge 2 to 12GHz Directivity 2 44dB Test port APC 7 5 2369 Fixed Short for RI Return Loss Me ssuTement Calibration LEER 1 E 5230 Adapter 7mm to Type NOM for RE Return Loss Measurement B 1 34ANSO 37 Test Lead for D V M Dual hana ina plug to alligator clip and pick 2 AA37 Splitting Pad 7552 Low nomina
5. digital indicator The sensor is calibrated by an internal reference oscillator The PCD in the IF sweep generator and the PLL in the RF sweep generator assure accurate stable output frequencies The CW frequency and AF mode IF and RF source frequency markers are controlled by crystal oscillators PCD Pulse Counted Discriminator PLL Phase Lock Loop 1 07 Alarm Signs When the controls push button and adjusters are manipulated by an inproper procedure or misoperation an alarm signs blinking of the LED Display or red lamp tells that to the operator 1 08 Simple Construction The main units are the DISPLAYING UNIT and SENDING UNIT These units are connected by interface cable 1 09 Portable The compact size and light weight make the test set suitable for hand carrying and transport by helicopter 1 10 High Reliability and Ruggedness and 1515 are used extensively throughout to reduce the number of components to a minimum The selection of parts having small failure rates increases reliability A rugged mechanical designing is used throughout considering the most severe transportation conditions 1 11 Microprocessor The internal microprocessor assures easy operation high accuracy and high reliability 2 CONFIGURATION A Basic Configuration 2 00 MRTS ME645A for 4 and 6GHz band is the basic equipment the units of which are listed below Page 1 1 104 201 501 Table A Basic Configuration
6. ASAC 104 201 501 3 Option 003 Conversion to add 2GHz capability The addition of the 2GHz band is possible both in the original order or on a retrofit basis Furnished Ancillary Equipment for option 003 a Directional Detector 2GHz b Coaxial low pass filter 2GHz Type N M F MA64A 4 Available Ancillary Equipment The available ancillary equipment list is shown in Table C Page 1 3 104 201 501 Tabie C Available Ancillary Equipment Optional Accessories Page 1 4 Description Model or Part No 1 RI Coaxial Attenuator 10 40 4dB IW DC to LI VSWR I 25 Tv pe NOH mu 787C 10 4 2 Coaxial Attenuator 20 0 548 2 DC to 11 764 lt 1 25 Type Loa 5C 3 RI Coaxial Attenuator 30 5148 2W DC to 11 FGHz VSWR 1 25 pe NOT 1 757 30 RE Attenuator 20 50 754 20 DC 6 SGH7 VSWR amp 1 3 Type NMT l 768 20 SP A M RF Coaxii Attenuator Continuoust variahle 0 ta 3 65 to 6 5GHz Type N M F I 1 793E M SP A 6 IF Coaxial Atten 0 343 DC to 9SMliz WECo 60 to 440 i o MPS3E a Attenuator 5 0 3dB DC to 9SM
7. IF band 75Q with low pass filter 70MHz and 74 1 MHz 4 Range 10 to 30dBm without external pads or amplifiers 5 Resolution 0 01dB 6 Overload Rating of the Power Head Capable of withstanding continuously 20dBm without burnout or change in characteristics 7 Power Head Marking Marked as to the maximum average power the power head are capable of withstanding without burnout or change in characteristics Displaying unit 20dBm MAX Power head CAUTION MAX INPU f POWER 20dBm 8 Readout Digital 4 digit LED display in dBm Analog 12dB full scale calibrated in 0 5dB increments peaking meter 9 Stability Maximum drift of 0 1dB for 10 to 25dBm and 0 15dB_ for 25 to 30dBm over a 2 hour period at 24 C room temperature 10 Drift Correction Automatic with front panel pushbutton Page 1 5 104 201 501 11 IF Power Head Return Loss 7502 14 to 50MHz 50 to 95MHz 95 to 300MHz 12 RF Power Head Return Loss 500 0 1 to 11 7GHz r 2 11 to 2 18GHz 3 65 to 4 25GHz 5 8 to 6 5GHz r 500 to 700MHz 700 to 1000MHz 2 11 to 2 18GHz 3 65 to 4 25GHz 5 8to 6 5GHz 10 6 to 11 7GHz 13 Response Time 14 Spurious Signals 15 Calibration Signal 16 Swept Amplitude Response Range of Power Head Oscilloscope display only 17 Detector Flatness Power head acting as detector Frequency Band IF 50 to
8. 95MHz 2 11 to 2 18GHz 43 65 to 4 25GHz 15 8 to 6 5GHz 10 6 to 11 7GHz RF Requirements to be met over any 40MHz segment Page 1 6 Table D Cont no less than 25dB no less than 30dB no less than 20dB no less than 20dB without filter no less than 23dB without filter no less than 15dB with filter no less than 13dB with filter Within 2 seconds after applying the input power to be measured The power meter and head do not introduce AC or DC signals into the circuit being measured The IF calibration source is energized or de energized in dependent of any meter calibration through front panel CAL and rear panel CAL power Switch ON and OFF push button switches IF band 12 to 12dBm RF band 10 to 10dBm Transmission Flatness for up to 10dBm 025dB 025dB 025dB 025dB 05dB He HB HOM ASAC 104 201 501 Table D Cont 18 Detector Power head Harmonic Distortion The IF detector flatness is less than 0 03dB 20MHz with second harmonic distortion 25dB below the measured signal with low pass filtering for RF 2 DIGITAL VOLT METER 1 Ranges 0 1 to 100VDC and 100 to 999VDC 2 Accuracy 0 3 on 100V range and 3 999V range 3 RETURN LOSS CIRCUITRY The return loss is measured combination with IF and RF Return Loss Bridges 1 Ranges oscilloscope display only IF 7590 0 to 20dB 10 to 30dB 20 to 40dB RF 500 0 to 20dB 10 to 30dB
9. Hz WECo 60 to 440 1 MPS31F A Att 0 34 DC to 95MHz WECo 560 to 440 ERAT A t0 3dB DC to 95MHz WECo 560 to 440 od C OMPS3IB A jal A tor 20 4 5dB DC to 95MHz WECo 560 to 440 K MP531G A IF Coaxial A 35 t1dB DC to 95MHz WECo 560 to 440 531 V 12 IF Cable WECo 358 to 440 2 51 j x ee A is iT Cable WEC 440 to BNC M 2 5m M z H l AA13 A 14 iE Cable Rc 188A U WECo 440 to SI ALECTRO P N 52 024 0000 2 5m _ 14 15 e N M 2 5m 2 15 A I to 560 etum Los240dB 3 zi m ua MP533A A 17 Adapter WECo 4777 to 560 PNE S HERI MPS53A A Qf 18 Adapter WECo 5607 to S607 a MASBA A 19 Adapter Type NAD to WI Co 360 Used for IF Power Head Calibration NEMPE MAMMA Adapter Type NUO to NP 2 77 UO Adapter Fibow Type NON to Type 1 N LAto14 A m pm Transition Type NOP to WR 229 Waveguide VSWR lt 1 04 4Gllz band Ares B40M NA A 23 Transition 7mm connector to WR229 Waveguide VSWR 1 02 4GHz band OOOO B40M 7A SP A 21 Transition Ty pe N E rto WR1S9 Waveguide VSWR 1 04 6GHz band 2 D40M NA B 25 Transition 7mm connector to WRT59 Waveguide 1 02 6GIlz band _ 1 D40M 7A SP B 36 Transition N to WR9O Waveguide VSWR 104 11 1 X40LNA C 137 Transi 7mm connector to WR9O Waveguide VSWR lt 1 02 110 u _ X40L 7a sP 38 Filter 70MTI Band Pass
10. OPERATION MANUAL MICROWAVE RADIO TEST SET ME645A suPPLIER ANRITSU AMERIGA ING MANUFACTURER AMBITSH FLEGTRIG GA ASAC 104 201 501 Issue 2 June 1980 SECTION 1 GENERAL INFORMATION CONTENTS PAGE 1 INTRODUCTION 311 A Features 1 1 2 CONFIGURATION 11 A Basic Configuration 11 B Options 1 3 3 SPECIFICATIONS 15 1 INTRODUCTION 1 01 This operation manual contains all the information necessary to operate the Microwave Radio Test Set MRTS ME645A Calibration adjustment trouble shooting repair and replaceable parts are covered in the separate Service Manual A FEATURES 1 02 The MRTS is designed to meet the requirements of AT amp T Company Principal measurement items are power frequency amplitude response return loss noise figure IF spectra carrier resupply fade margin and DC voltage 1 03 The MRTS has the following special features 1 04 Versatile Capabilities Most measurements can be made at the repeater site of a microwave relay system 1 05 Easy Operation most cases the measurement item can be switched by merely pushing a single function switch for the desired item The power meter uses autoranging The RF sweep generator center frequency is set by thumb wheel switch The IF and RF sweep generator sweep width is selected in one operation 1 06 High Accuracy The power meter has a 4 digits
11. cy Markers Accuracy IF Generator Frequency Stability a to d a With tempeature b With line voltage With output power d With time ASAC 104 201 501 Table D Cont At least 40dB below the output signal 30kHz peak 50kHz peak 70 2 and 74 1MHz Within 2 x 10 Fixed sweep width 2 10 15 20MHz Variable from 70dBm to 10dBm at 759 output impedance 10dB range 10dBm max 70dB range 1dB steps Within 0 05dB 15 minute interval and within 0 1dB 24 hour period Within 0 025dB at AF sweep modes between 0 and 10dBm 46Hz nominal Within 2 5 of sweep width One pair of markers for each of the sweep modes switch selectable in increments of MHz between 0 and 20MHz 0 005 30kHz at 0 C to 50 C 10kHz max for AC 103 to 127V variation 10kHz max for 0 to 10dBm change 50kHz max over a 15 minute interval 100kHz max 24 hour period Page 1 11 ASAC 104 201 501 14 Spurious Radiation 15 Harmonics 16 Spurious Signal non harmonically related 17 Residual Frequency Modulation 19 Frequency Shift 18 Slope Adjusting Range 8 FREQUENCY COUNTER 1 Frequency Range 2 Input Network 3 Input Level 4 Accuracy Table D Cont The radiation from the fundamental frequency from the IF oscillator is no greater than 100dBm when the output is delivering 10dBm into a resistive termination at any frequency The harmonic radia
12. l 50 to 95 Connectors three WECo 560 EI d _ MAS9A _ Portable Test R Rack Displayi ing Unit and Sending U nit are stacked jm MB23A Soft Pack Carrying C uses for Displaying Uni mt l for Sending Unit L for Auxiliary Equipment 1 3 E Protective Shipping C aves for Displayi ing U nit 1 for Sending C nit 1 for Auxiliary Equipment 1 mi 3 kii P dit Harmonic ilter M 3 40 to 560 Pass Band 70 to 74 1MHZ Loss 0 5dB 1 MASIOA gt Retin 30d nd 140 to 148 2MHz Loss gt 40dB Note A lers tor the 645 F To be provided with orders for TD 3 early vintage B ders for stations with TH 1 TH 3 and AR 6 F To be provided as requested stations with 11GHz equipment G To be provided as requested M UT id TH and AR WECo 560 440 358 477 or Equivalent ASAC 104 201 501 3 SPECIFICATIONS Table D Specifications 1 POWER METER 1 Absolute Measurement Accuracy Within 0 5dB when using the 75Q power head over the range 10 to 300MHz or the 50Q power head over the range 100MHz to 11 7GHz including the effects of ancillary equipment 2 Accuracy of Power Meter Alone Within 0 2dB 3 Harmonics Capable of maintaining its accuracy when measuring power at 10dBm in the presence of second harmonics down 12dB from the measured signal RF band 5022 with low pass filter 500 to 700MHz 700 to 1000MHz 2 11 to 2 18GHz 3 65 to 4 25GHz 5 8 to 6 5 GHz 10 6 to 11 7GHz
13. lls and the nut on male connectors are stainless steel Page 1 14 ASAC 104 201 501 Table D Cont 7 Repeater Bay Interfaces The MRTS interfaces repeater bays with N type connectors for 500 test points and WECo 560A or approved equivalent jacks for 75Q test points 8 Portable Test Rack collapsible mobile rack is available to support the MRTS It does not restrict a view of the MRTS while in a kneeling position making adjustments on a repeater bay near floor level Page 1 15 15 Pages
14. n widths except 32MHz Spurious at 32MHz is 50dBm OdBm only Compatible with existing Baseband Analyzer S A Limits L O Leakage out at Input Port 10ms cm BNC Connector At least 50dB on vertical external input dB sensitivity per cm of deflection 0 05 0 1 0 5 and 1 0dB 0 1 0 5 and 1 0dB 2 5dB 50mV cm of deflection Fixed at DC to 10kHz and no less than 310kHz for the external input IMQ 10 shunted by not more than SOpF BNC connector single ended DC Coupled such that a positive going voltage causes beam deflection to the right Adjustable over the range from 0 5V to 2 0V per cm Blank on an external 3V pulse regardless of intensity TTL compatible BNC Connector accessible from the rear panel 10 Out of Range Indication 11 Horizontal Axis 12 Vertical Axis 13 Faceplate 14 Bezel 6 RF SWEEP GENERATOR 1 CW Mode 2 Frequency Setting Accuracy 3 AF Sweep Mode 4 Leveled Power Output 5 Cable RF Oscillator to Directional Detector 6 Power Output Continuity 7 Power Output Stability Table D Cont Bright line display on CRT and LED Vertical Sensitivity lamp blink and off when the power head input level is from 13 to 39 99dBm 0 2dB Divided into 10 equally spaced 1cm divisions Divided into 8 equally spaced lcm divisions Shatterproof safety shield Accommodates camera adapters from major scope camera suppliers such as HP M
15. odels CO1 10369A 10369A and 197A and Polaroid CU 5 2GHz band 2 11 to 2 18GHz option 003 4GHz band 3 65 to 4 25GHz 6GHz band 5 8 to 6 5GHz 11GHz band 10 6 to 11 7GHz option 001 50Q output impedance Within 1 x 105 Fixed sweep width sweep width 2 10 15 20MHz Continuously adjustable over the following ranges OdBm to 10dBm 2 4 6GHz bands OdBm to 5dBm 11GHz band Cable assembly is encased in a common sheath The Power Output does not vary more than 0 2dB when switching from a swept mode to the CW mode in 2 and 4GHz bands AF 10MHz in 6GHz band AF 15MHz in 11GHz band AF 20MHz Within 0 05dB over any 15 minute interval and within 0 1dB over any continuous 24 hour period Page 1 9 ASAC 104 201 501 Table D Cont 8 Power Output Flatness Sweep Frequency 10 Sweep Linearity 11 RF Frequency Markers 12 RF Frequency Markers Accuracy 13 RF Generator Frequency Stability a to d a With temperature 2 and 4GHz bands 6G Hz band 11GHz band b With line voltage c With output Power 2 4 and 6GHz bands 11GHz band d With time 14 Aging 15 Spurious Radiation 16 Harmonics 17 Spurious Signal non harmonically related Page 1 10 Frequency Output Output Band Power Flatness 2 and 4GHz bands Oto 10dBm 0 025dB 10MHz 6GHz band Otot l0dBm 0 025dB 20MHz 11GHz band Oto 5dBm 0 05dB 20MHz 46Hz nominal Within 2 5 of the s
16. rom an ambient of 24 C and b 60 minutes from turn on in an ambient of 24 C after being brought in from an environment of 18 C 4 Burn in 96 hour operational burn in at 50 5 AC Input Single phase 115 12V 60Hz lt 250VA power source 6 Shock and Vibration MIL STD 810B Method 514 7 Procedure X Sinusoidal Cycling only At room ambient conditions per MIL STD 810B 20g 10 milliseconds sawtooth ascending pulse two repetitions in each direction of three mutually perpendicular axis 12 drops b Vibration 0 25 inches displacement D A 5 to 9Hz and 1 0g from 9 to 100Hz sweep rate of two minutes per octave ascending and descending in each of three mutually perpendicular axis 10 MECHANICAL amp MISCELLANEOUS 1 Weight including each carrying case Displaying Unit less than 40 lbs lt 19kg Sending Unit less than 40 lbs lt 19kg Ancillary Equipment less than 40 Ibs lt 19kg 2 Dimensions each unit 16 8in 426mm W x 17 8in 450mm D x 5 7in 145mm H except for controls handles etc 3 AC Power Cord The 76 detachable power cord is yellow and equipped with a NEMA 5 15P ground plug 4 Line Fuses are accessible from the rear panel 5 Ground Loop The MRTS does not exhibit any ground loop problems when in a back to back configuration RF amp IF flatness requirements are met 6 N Type Connectors Internal dimensions and tolerances of mating surfaces meet MIL C 39012 N connector she
17. tion up to 300MHz shall be no greater in magnitude than the fundamental radiation The unit is measured radially for radiation with a suitable field intensity meter excited by a simple resonant dipole placed no more than 12 feet and no less than 8 feet from the finished chassis with no additional shielding The magnitude of the second and third harmonic of 50 54 1 60 64 1 and 70 74 1 MHz present in the generator output is measured by means of a suitable selective analyzer addition the second harmonic of 80 84 1 and 90 94 1 MHz is measured and their magni tudes relative to the fundamental is no greater than the following Fundamental f MHz z 50 54 1 40dB 40dB 60 64 1 40dB 40dB 70 74 1 40dB 40dB 80 84 1 40dB 90 94 1 40dB At least 70dB below selected output power when ter minated in 752 No greater than 1 5kHz peak No less than 0 14 slope over 50 to 90 and 54 1 to 94 1 MHz range front panel adjustment The 70 and 74 1MHz CW frequencies are shifted by 300kHz and 300kHz for C I measurements 14 to 300MHz directly and without prescaling At least 1MQ shunted by less than 20 pF 14 to 135MHz and 502 14 to 300MHz switchable 15mV to 5Vrms without need for level adjustment 1 count Time Base oscillator stability Page 1 12 b Time Base Stability a to c a Short term b Aging c With line voltage 6 Time Base Frequency 7 Time Base Output
18. weep width One pair of markers for each of the sweep modes switch selectable in increments of 1MHz from 0 to 20MHz Within 0 005 Maximum change in frequency is 160kHz C from 0 C to 50 C 200kHz C from 0 C to 50 C 1 2MHz C from 0 C to 50 C 1MHz max for AC 103 to 127V variation 1MHz max for OdBm to 10dBm change 1MHz max for OdBm to 5dBm change 0 012 max over a 15 minute interval and 0 03 over any continuous 24 hour period 0 03 for at least 10 years Less than 50dBm when output is delivering 10dBm 5dBm for 11GHz band into a resistive termination at any frequency The harmonic radiation up to 11 7GHz is no greater in magnitude than the fundamenta radiation The unit is measured radially for radiation 12 inches from the cabinet using WR 430 waveguide for 2GHz band WR 229 for 4GHz band WR 159 for 6GHz band and WR 90 waveguide for 1 1GHz band At least 40dB down At least 64dB below the selected output power when terminated into 509 18 Residual Amplitude Modulation 19 Residual Frequency Modulation 2 4 and 6GHz bands 11GHz band 7 IF SWEEP GENERATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 CW Mode Frequency Setting Accuracy AF Sweep Mode Leveled Power Output Continuously Variable Step Variable Power Output Stability Power Output Flatness Sweep Frequency Sweep Linearity IF Frequency Markers IF Frequen
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