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150GTL ALIGNMENT                                                        REVISION: 1.0                                                                                          BURKE 

 

Page:2 

        print date: 2/14/06 

150GTL ALIGNMENT INSTRUCTION 

   

1    TEST CONDITION: 

1.0. TEST TEMPERTAURE: 

77 ±9 °F 

1.1. STANDARD DC POWER:   

 

 

13.8VDC 

1.2. STANDARD AUDIO LOADING:  

 

 

1.3. ANTENNA IMPEDANCE:   

 

 

50 

 

1.4. STANDARD REF. MODULATION: 

AM  30%   

 

FM  2.5KHz     

1.5. PULSE GENERATOR: 

1µS pulse @ 100mS and 1V peak-to-peak amplitude, 

 

with rise and fall time of less than 10nS. 

 

 

 

 

1.6. TEST EQUIPMENT SETUP AS BELOW: 

A.  TX test equipment setup: 

 

 

 

                                                                                                                                                                       

                       

                 

 

                                                                                                                                                                                                                                 

 

 

 

 

       

                                                                     

 

 

                                                             

 

                                               

                           

 

 

 

 

 

 

 

 

 

RF 

Wattmeter 

Dummy 

Load 

Modulation 

Meter 

Power 

Supply 

150 GTL

 

Audio 

Generator 

Summary of Contents for 150GTL

Page 1: ...150GTL ALIGNMENT REVISION 1 0 BURKE Page 1 print date 2 14 06 ALIGNMENT PROCEDURE MODEL 150GTL REVISION 1 1 DATE 02 14 06 PREPARED BY BURKE Total Pages 6 pages ...

Page 2: ...R 13 8VDC 1 2 STANDARD AUDIO LOADING 8 Ω 1 3 ANTENNA IMPEDANCE 50 Ω 1 4 STANDARD REF MODULATION AM 30 FM 2 5KHz 1 5 PULSE GENERATOR 1µS pulse 100mS and 1V peak to peak amplitude with rise and fall time of less than 10nS 1 6 TEST EQUIPMENT SETUP AS BELOW A TX test equipment setup RF Wattmeter Dummy Load Modulation Meter Power Supply 150 GTL Audio Generator ...

Page 3: ...o TP1 DC level should be 6V 3 Same as step 1 Oscilloscope to TP2 T713 Adjust for maximum output 4 Same as step 1 Oscilloscope to 4th test point of CON2 T717 Adjust for maximum output 5 Same as step 1 Frequency counter to TP3 CT1 Adjust for 17 305MHz frequency 10 695 2 2 Carrier Alignment STEP PRESET TO CONNECTIONS ADJUST PROCEDURE 1 TX mode AM 28 000MHz Frequency counter to TP3 CT2 Adjust for 28 0...

Page 4: ...on RF output 100µV RV15 SIGNAL METER Adjust for a reading of S 9 on the analog meter of the radio 4 RX mode AM 28 000MHz NB ANL switch set to NB ANL Output of signal generator and noise pulse generator to antenna connector Freq 28 000MHz 1KHz 30 modulation RF output 1µV Oscilloscope to collector of Q6 T701 NOISE BLANKER Adjust for maximum amplitude on oscilloscope 5 RX mode FM 28 000MHz Output of ...

Page 5: ...ROL LO Adjust for 90 modulation on all bands 7 TX mode FM 29 700MHz Mic Gain to maximum Same as step 5 RV5 DEVIATION LIMITER Adjust for 2 5KHz deviation 8 TX mode AM Power switch to LO Mic Gain to minimum S RF switch set to CAL Connect a 100 ohm non inductive dummy load to the antenna connector RV17 SWR METER Adjust SWR Cal knob so analog meter on radio goes to CAL mark Then set S RF switch to SWR...

Page 6: ...150GTL ALIGNMENT REVISION 1 0 BURKE Page 6 print date 2 14 06 ...

Page 7: ...150GTL ALIGNMENT REVISION 1 0 BURKE Page 7 print date 2 14 06 REVISION HISTORY 1 0 Initial release 1 1 Added section Step 9 in Section 4 ...

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