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AutoTune for Motorola APX Series Radios User Guide  

 

29 

5. Motorola APX Mobile Radio Test Setup 

Before servicing a radio with AutoTune, ensure the analyzer is running the current 

system software version. Each system version release contains issue resolutions and/or 

new/enhanced features. 

•

  On the analyzer, navigate to Settings > About… Note the System version shown. 

•

  Browse to the Freedom software upgrades webpage: 

https://freedomcte.com/upgrades/

 

•

  If the first Current System Version shown on the webpage is more recent than 

the analyzer System version, follow the webpage instructions to download and 

apply the current system version software to your analyzer. 

 

To perform the test and alignment procedures, the APX Mobile radio must be connected 

to the R8000 Communications Systems Analyzer as shown in Figure 5-1.  Motorola 

APX Mobile Test Setup Diagram (mid power models) or Figure 5-2.  Motorola APX 

Mobile High Power Test Setup Diagram (high power models). 

 

CAUTION: 

Make certain that the radio under test is configured as described in the 

corresponding diagram 

before

 attempting to perform the indicated alignment or test. 

Failure to do so may result in poor radio performance and/or damage to the analyzer or 

radio equipment under test. 

 

5.1.  Cable Sweep 

Every RF cable connected between a radio under test and the analyzer attenuates the 

signal propagating through it. The amount of attenuation varies by several factors such 

as operating frequency, cable length, and cable type. Ensuring this attenuation is 

accounted for by the analyzer is critical to test and alignment accuracy, especially for 

power alignments and sensitivity tests. 

 

Sweep the RF cable used between the Radio and Analyzer, label the RF cable with the 

stored cable sweep name, and enable the Cable Sweep feature in the analyzer System, 

System Settings… menu. Refer to 

Application Note FCT-1017

 

Utilizing Cable Sweep on 

the Freedom Communications System Analyzer

 for instructions on how to perform a 

cable sweep. 

Содержание R8000 Series

Страница 1: ...alyzer AUTOTUNE USER GUIDE Motorola APX Series Radios Freedom Communication Technologies 2002 Synergy Blvd Suite 200 Kilgore Texas 75662 Copyright 2021 Freedom Communication Technologies All Rights Re...

Страница 2: ...ight c 2003 2004 Paul F Sullivan Paul SULLutions com Copyright c 2004 Enrique Vargas vargas visecurity com Copyright c 2004 Heiko Fettig heiko fettig gmx net Copyright c 2004 Michael C Ashe michael as...

Страница 3: ...CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETH...

Страница 4: ...Duty Cycle Adjustment 15 4 11 RF Power 16 4 12 Rx Distortion 17 4 13 Rx Analog Sensitivity SINAD 18 4 14 Noise Squelch Threshold 19 4 15 Modulation Fidelity 20 4 16 Symbol Deviation 21 4 17 P25 Phase...

Страница 5: ...upport Information 59 8 1 Technical Support 59 8 2 Sales Support 59 9 References 60 APPENDIX A Sample Test Result Report A 1 APPENDIX B Revision History B 1 LIST OF FIGURES Figure 3 1 APX Portable Tes...

Страница 6: ...esults 13 Table 4 19 Analyzer Configuration for Rx VLIF DCA Phase Error alignment 14 Table 4 20 Rx VLIF DCA Phase Error alignment results 14 Table 4 21 Analyzer Configuration for Rx Duty Cycle Adjustm...

Страница 7: ...Configuration for Rx Duty Cycle Adjustment alignment 45 Table 6 18 R Duty Cycle Adjustment results 45 Table 6 19 RF Power test results 46 Table 6 20 Analyzer Configuration for Rx Distortion Test 47 T...

Страница 8: ...AutoTune for Motorola APX Series Radios User Guide vii...

Страница 9: ...rating instructions for AutoTune itself 2 1 Supported Models The following Motorola APX Series radio models are supported APX 900 APX 1000 1000i APX 1500 1500 Enhanced APX 2000 SRX 2200 APX 2500 APX 4...

Страница 10: ...Portable Test Setup Diagram Make certain that the radio under test is configured as described in the corresponding diagram before attempting to perform an alignment or test Failure to do so may result...

Страница 11: ...are Table 3 2 1 Battery Eliminator Battery eliminators interface portable radios to DC power supplies They re needed because batteries cannot produce consistent voltage current when the radio is keyed...

Страница 12: ...AutoTune for Motorola APX Series Radios User Guide 4 Figure 3 1 APX Portable Test Setup Diagram...

Страница 13: ...n Attenuation Monitor RF IN OUT Test Frequency FM 40 dB Table 4 1 Analyzer Configuration for Tx PA Bias Auto alignment 4 1 1 Alignment Note This alignment applies only to APX 8000 APX 6000 Enhanced an...

Страница 14: ...e log file Name Description Result Pass or Fail Frequency Error within Max Limit Min Limit Frequency Test Frequency Freq Error Measured frequency error after alignment Min Limit Minimum Limit inclusiv...

Страница 15: ...ess is repeated for all test frequencies The final results are written to the log file Name Description Result Pass or Fail Measured Power within manufacturer limits Frequency Test Frequency Power Mea...

Страница 16: ...r within manufacturer limits Frequency Test Frequency Low Power Measured low radio output level High Power Measured high radio output level Diff 1 5W Difference between Low Power and High Power If out...

Страница 17: ...radio is placed into Test Mode and commanded to transmit at the first Test Frequency The output level is measured and then adjusted until near to the band specific output level defined by the APX Fami...

Страница 18: ...y The output level is measured and then adjusted until near to the band specific output level defined by the APX Family Tuner software help file This process is repeated for all test frequencies The f...

Страница 19: ...ntil the deviation difference between the first and second tones is within range This adjustment is performed for each TX Test Frequency and the percent difference is compared against test limits The...

Страница 20: ...t the first Rx Test Frequency Depending on the radio model under test the analyzer generates a CW signal at 90 dBm or a 1 kHz modulation tone at 60 rated channel deviation at 80 dBm The radio softpot...

Страница 21: ...st Rx Test Frequency The analyzer generates a CW signal at 75 dBm The radio softpot is then auto aligned This adjustment is performed for each Rx Test Frequency The results for each Rx Test Frequency...

Страница 22: ...A Phase Error The radio is placed into Test Mode at the first Rx Test Frequency The analyzer generates a CW signal at 15 dBm into the radio The radio softpot is then auto aligned This adjustment is pe...

Страница 23: ...Test Mode at the first Rx Test Frequency Depending on the radio model under test the analyzer generates a CW signal at either 30 dBm or at 60 dBm The radio softpot is then auto aligned to minimize pha...

Страница 24: ...ing at the lowest Tx Test Frequency the output level is measured at each TX Test Frequency and compared against test limits The final results are written to the log file Name Description Result Pass o...

Страница 25: ...s placed into Test Mode at the lowest Rx Test Frequency The radio audio output level is tested and if insufficient to measure distortion the volume is increased until sufficient to measure distortion...

Страница 26: ...The radio audio output level is tested and if insufficient to measure SINAD the volume is increased until sufficient to measure SINAD The output level of the analyzer is then adjusted until the radio...

Страница 27: ...e The radio is placed into Test Mode at the lowest RX Test Frequency The radio audio output level is tested and if insufficient to measure the unsquelched condition the volume is increased Beginning a...

Страница 28: ...Modulation Monitor RF IN OUT Test Frequency Standard Tx O 153 V 52 Table 4 30 Analyzer Configuration for Modulation Fidelity test 4 15 1 Test The analyzer is setup as specified in this section s Anal...

Страница 29: ...Tx O 153 V 52 Table 4 32 Analyzer Configuration for Symbol Deviation test 4 16 1 Test The analyzer is setup as specified in this section s Analyzer Configuration table The radio is placed into Test Mo...

Страница 30: ...F IN OUT Test Frequency HCPM 1031 Hz Tone Table 4 34 Analyzer Configuration for P25 Phase 2 Modulation Fidelity test 4 17 1 Test The analyzer is setup as specified in this section s Analyzer Configura...

Страница 31: ...quency Mod Mod Type Test Pattern Monitor RF IN OUT Test Frequency HCPM 1031 Hz Tone Table 4 36 Analyzer Configuration for P25 Phase 2 Symbol Deviation test 4 18 1 Test The analyzer is setup as specifi...

Страница 32: ...is setup as specified in this section s Analyzer Configuration table The radio is placed into Test Mode at the lowest RX Test Frequency ready to receive a C4FM modulated signal from the analyzer Once...

Страница 33: ...tup as specified in this section s Analyzer Configuration table The radio is placed into Test Mode at the lowest RX Test Frequency ready to receive a C4FM modulated signal from the analyzer Once BER s...

Страница 34: ...the lowest TX Test Frequency The analyzer is setup as specified in this section s Analyzer Configuration table The user is instructed to key the connected radio and place it next to the analyzer spea...

Страница 35: ...ion is measured Name Description Result Pass or Fail Deviation within Min Limit Max Limit Frequency Test Frequency Deviation Measured modulation deviation level Min Limit Minimum Limit inclusive for D...

Страница 36: ...specified in this section s Analyzer Configuration table The analyzer generates a 1 kHz signal at 800 mV into the radio s external microphone accessory port via the radio test set The radio is command...

Страница 37: ...ola APX Mobile High Power Test Setup Diagram high power models CAUTION Make certain that the radio under test is configured as described in the corresponding diagram before attempting to perform the i...

Страница 38: ...ge series Shielded RF cable with low loss Reference cable Pomona 5697 BNC cable for sweeping RF test cable 6 dB attenuator Mini Circuits 15542 Attenuator for reducing Reference cable VSWR High power a...

Страница 39: ...utoTune for Motorola APX Series Radios User Guide 31 Figure 5 1 Motorola APX Mobile Test Setup Diagram 5 4 Motorola APX Mobile High Power Test Setup Refer to the diagram below for the proper test setu...

Страница 40: ...AutoTune for Motorola APX Series Radios User Guide 32 Figure 5 2 Motorola APX Mobile High Power Test Setup Diagram...

Страница 41: ...dual band capable Additional notes for radio models configured with two bands are included in the following sections If the radio under test is configured with a single band these notes are not applic...

Страница 42: ...the log file APX Mobiles The Tx PA Bias alignment adjusts the radio power amplifier voltages The radio is placed into Test Mode baseline current is measured If sufficient the radio PA bias is enabled...

Страница 43: ...results written to the log file Dual Band This alignment is only performed at a single test frequency The test frequency is the highest test frequency for the highest frequency band Name Description...

Страница 44: ...ency Error within Max Limit Min Limit Frequency Test Frequency Freq Error Measured frequency error Min Limit Minimum Limit inclusive for frequency error Max Limit Maximum Limit inclusive for frequency...

Страница 45: ...imum limit inclusive for Power for Results to be a Pass Old Softpot Original radio softpot setting New Softpot Radio softpot after alignment Table 6 7 Power Detection Calibration alignment results Tx...

Страница 46: ...AutoTune for Motorola APX Series Radios User Guide 38...

Страница 47: ...t protection circuit The radio is placed into Test Mode and commanded to transmit at the first Tx Test Frequency The radio current protection circuit is auto adjusted and the radio unkeyed The process...

Страница 48: ...ge protection circuit The radio is placed into Test Mode and commanded to transmit at the first Tx Test Frequency The radio voltage protection circuit is auto adjusted and the radio unkeyed The proces...

Страница 49: ...ntil the deviation difference between the first and second tones is within range This adjustment is performed for each TX Test Frequency and the percent difference is compared against test limits The...

Страница 50: ...each Rx Test Frequency are written to the test log file Name Description Result Pass or Fail Pass unless radio reports an error Frequency Test Frequency Old Softpot Original radio softpot setting New...

Страница 51: ...3 Name Description Result Pass or Fail Distortion level within Max Limit Min Limit Frequency Test Frequency Distortion Measured audio signal distortion level Max Limit Maximum Limit inclusive for Dist...

Страница 52: ...AutoTune for Motorola APX Series Radios User Guide 44 for alignment verification test...

Страница 53: ...ent The radio is placed into Test Mode at the first Rx Test Frequency Depending on the radio model under test the analyzer generates a CW signal at 60 dBm The radio softpot is then auto aligned to min...

Страница 54: ...ing at the lowest Tx Test Frequency the output level is measured at each TX Test Frequency and compared against test limits The final results are written to the log file Name Description Result Pass o...

Страница 55: ...s placed into Test Mode at the lowest Rx Test Frequency The radio audio output level is tested and if insufficient to measure distortion the volume is increased until sufficient to measure distortion...

Страница 56: ...e radio audio output level is tested and if insufficient to measure SINAD the volume is increased until sufficient to measure SINAD The output level of the analyzer is then adjusted until the radio au...

Страница 57: ...e The radio is placed into Test Mode at the lowest RX Test Frequency The radio audio output level is tested and if insufficient to measure the unsquelched condition the volume is increased Beginning a...

Страница 58: ...Modulation Monitor RF IN OUT Test Frequency Standard Tx O 153 V 52 Table 6 26 Analyzer Configuration for Modulation Fidelity test 6 14 1 Test The analyzer is setup as specified in this section s Anal...

Страница 59: ...Tx O 153 V 52 Table 6 28 Analyzer Configuration for Symbol Deviation test 6 15 1 Test The analyzer is setup as specified in this section s Analyzer Configuration table The radio is placed into Test Mo...

Страница 60: ...F IN OUT Test Frequency HCPM 1031 Hz Tone Table 6 30 Analyzer Configuration for P25 Phase 2 Modulation Fidelity test 6 16 1 Test The analyzer is setup as specified in this section s Analyzer Configura...

Страница 61: ...quency Mod Mod Type Test Pattern Monitor RF IN OUT Test Frequency HCPM 1031 Hz Tone Table 6 32 Analyzer Configuration for P25 Phase 2 Symbol Deviation test 6 17 1 Test The analyzer is setup as specifi...

Страница 62: ...is setup as specified in this section s Analyzer Configuration table The radio is placed into Test Mode at the lowest RX Test Frequency ready to receive a C4FM modulated signal from the analyzer Once...

Страница 63: ...tup as specified in this section s Analyzer Configuration table The radio is placed into Test Mode at the lowest RX Test Frequency ready to receive a C4FM modulated signal from the analyzer Once BER s...

Страница 64: ...radio is placed into Test Mode at the lowest TX Test Frequency The analyzer is setup as specified in this section s Analyzer Configuration table The user is instructed to key the connected radio micro...

Страница 65: ...med for the lowest RX Test Frequency in the lowest frequency band Name Description Result Pass or Fail Deviation within Min Limit Max Limit Frequency Test Frequency Deviation Measured modulation devia...

Страница 66: ...won t power up Loose HKN6163_ cable connection Verify cable connection is OK Motorola CPS Ignition Switch setting Use Motorola CPS software to set Radio Wide Advanced Ignition Switch setting to Blank...

Страница 67: ...8 Support Information 8 1 Technical Support Document Library freedomcte com library Video Library freedomcte com videos Phone 903 985 8999 Email Freedom TechnicalSupport astronics com 8 2 Sales Suppor...

Страница 68: ...Radios User Guide 60 9 References R8000 Series Communications System Analyzer Operator s Manual FCT 1365_ Freedom Communications System Analyzer R8200 User s Guide FCT 1380_ APX 6500 APX7500 03 05 09...

Страница 69: ...3 W 3064 2987 Pass 173 9875 MHz 6 3 W 6 3 W 3098 3021 Pass 380 0125 MHz 5 3 W 5 3 W 3292 3268 Pass 425 0125 MHz 5 3 W 5 3 W 3302 3273 Pass 469 9875 MHz 5 3 W 5 3 W 3302 3266 Pass 470 0125 MHz 5 3 W 5...

Страница 70: ...22 Pass 490 0000 MHz 130 131 Pass 500 0000 MHz 140 140 Pass 510 0000 MHz 148 149 Pass 520 0000 MHz 160 158 Rx Duty Cycle Adjustment Align Result Frequency Low High Amp Err Low High Phase Err Old Softp...

Страница 71: ...MHz 3020 5 Hz 2842 Hz 3141 Hz Pass 469 9250 MHz 3019 5 Hz 2842 Hz 3141 Hz Pass 471 0250 MHz 3019 2 Hz 2842 Hz 3141 Hz Pass 495 0250 MHz 3022 6 Hz 2842 Hz 3141 Hz Pass 519 9750 MHz 3017 1 Hz 2842 Hz 3...

Страница 72: ...APPENDIX B Revision History See ECO Rev C M Mullins 9 8 2021 C Cox 10 21 21 0384 1 18 Updates Rev B L Shirey 1 26 15 M Mullins 1 26 15 14473 Original Release Rev A B Tanner 7 30 12 M Mullins 7 30 12 1...

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