VX-7R Technical Supplement - The Repeater Builder's Technical ...

More documents

Recommendations

Info

AlignmentPress the SUB button to activate the SUB band internalalignment routine.The alignment frequency will automatically be set to435.100 MHz (USA Version: 440.100 MHz) on the SUBband.SUB Band Alignment430 MHz Band AlignmentSquelch Hysteresis Adjustment (HIS SQL)❍ Rotate the DIAL for minimum squelch hysteresis. Pressthe V/M button, then rotate the DIAL to select the nextsetting.Squelch Preset Threshold (THLD SQL)❍ Inject a –13.0 dBµ RF signal (1 kHz tone @ ±3.5 kHzdeviation), then press the V/M button, then press theMON/F button twice. Press the V/M button, then rotatethe DIAL to select the next setting.Squelch Preset Tight (TIGH SQL)❍ Adjust the generator level to –6.0 dBµ, then press the V/Mbutton, then press the MON/F button twice. Press the V/Mbutton, then rotate the DIAL to select the next setting.S-Meter S-1 Adjustment (S1 LEVEL)❍ Adjust the generator level to –7.0 dBµ (1 kHz tone @±3.5 kHz deviation), then press the V/M button, thenpress the MON/F button twice. Press the V/M button, thenrotate the DIAL to select the next setting.S-Meter Full-Scale Adjustment (S9 LEVEL)❍ Adjust the generator level to +20 dBµ (1 kHz tone @±3.5 kHz deviation), then press the V/M button, thenpress the MON/F button twice. Press the V/M button.Press the BAND button to activate the 50 MHz SUB bandinternal alignment routine.The alignment frequency will automatically be set to52.100 MHz.50 MHz SUB Band AlignmentSquelch Hysteresis Adjustment (HIS SQL)❍ Rotate the DIAL for minimum squelch hysteresis. Pressthe V/M button, then rotate the DIAL to select the nextsetting.Squelch Preset Threshold (THLD SQL)❍ Inject a –13.0 dBµ RF signal (1 kHz tone @ ±3.5 kHzdeviation), then press the V/M button, then press theMON/F button twice. Press the V/M button, then rotatethe DIAL to select the next setting.Squelch Preset Tight (TIGH SQL)❍ Adjust the generator level to –4.0 dBµ, then press the V/M button, then press the MON/F button twice. Press theV/M button, then rotate the DIAL to select the next setting.S-Meter S-1 Adjustment (S1 LEVEL)❍ Adjust the generator level to –7.0 dBµ (1 kHz tone @±3.5 kHz deviation), then press the V/M button, thenpress the MON/F button twice. Press the V/M button, thenrotate the DIAL to select the next setting.S-Meter Full-Scale Adjustment (S9 LEVEL)❍ Adjust the generator level to +19 dBµ (1 kHz tone @±3.5 kHz deviation), then press the V/M button, thenpress the MON/F button twice. Press the V/M button.Press the BAND button to activate the 144 MHz SUB bandinternal alignment routine.The alignment frequency will automatically be set to145.100 MHz (USA Version: 146.100 MHz).144 MHz SUB Band AlignmentSquelch Hysteresis Adjustment (HIS SQL)❍ Rotate the DIAL for minimum squelch hysteresis. Press theV/M button, then rotate the DIAL to select the next setting.Squelch Preset Threshold (THLD SQL)❍ Inject a –15.0 dBµ RF signal (1 kHz tone @ ±3.5 kHzdeviation), then press the V/M button, then press theMON/F button twice. Press the V/M button, then rotatethe DIAL to select the next setting.Squelch Preset Tight (TIGH SQL)❍ Adjust the generator level to –6.0 dBµ, then press the V/Mbutton, then press the MON/F button twice. Press the V/Mbutton, then rotate the DIAL to select the next setting.S-Meter S-1 Adjustment (S1 LEVEL)❍ Adjust the generator level to –7.0 dBµ (1 kHz tone @±3.5 kHz deviation), then press the V/M button, thenpress the MON/F button twice. Press the V/M button, thenrotate the DIAL to select the next setting.S-Meter Full-Scale Adjustment (S9 LEVEL)❍ Adjust the generator level to +19 dBµ (1 kHz tone @±3.5 kHz deviation), then press the V/M button, thenpresses the MON/F button twice. Press the V/M button.This completes the internal alignment routine for all bands.To save all settings and exit, press the HM/RV button.18
Circuit Diagram800M RX:0.8VMAIN NFM RX:+14.7dBµ435.000MHz, @12dB SINAD1000pF Coupling Capacitor.800M RX:1.87V0V(50M TX:1.84V)(144M TX:1.85V)(430M TX:2.85V)RF Unit (Lot. 1~)800M RX:1.61V800M RX:0.73V0V(1.98V)145M TX:+5.1dBm430M TX:+6.9dBm0V1000pF Coupling Capacitor.(3.97V)0V(1.86V)13.5V(13.3V)MAIN NFM RX:+7.3dBµ435.000MHz1000pF Coupling Capacitor.MAIN NFM RX:+2.0dBµ435.000MHz1000pF Coupling Capacitor.430M RX:0.79V (0V)430M RX:1.05V (0V)430M RX:1.89V(0V)430M RX:0.66V(0V)430M RX:1.77V(0V)0V(1.24V)0V(5.22V)0V(2.27V)0V(50M:0.8V)(144M:0.82V)(430M:1.29V)0V(50M:0.88V)(144M:0.88V)(430M:1.32V)0V(50M:1.75V)(144M:2.37V)(430M:2.52V)0V(1.42V)430M RX:0.81V(0V)SUB430M RX:1.57V (0V)SUB NFM RX:+5.7dBµ435.000MHz1000pF Coupling Capacitor.0V (2.28V)0V(50M:1.5V)(144M:2.2V)(430M:1.7V)MAIN NFM RX:+11.5dBµSUB NFM RX:+7.1dBµ145.000MHz1000pF Coupling Capacitor.0.8V (0V)76~222M RX:1.81V (0V)SUB430M RX:0.83V (0V)76~222M RX:0.73V (0V)SUB430M RX:2.14V (0V)76~222M RX:1.83V (0V)1.0V(2.4V)0.7V(0.7V)76~222M RX:1.37V76~222M TX:1.08V76~222M RX:0.6V76~222M TX:0.2V0V(50M:0.84V)(144M:0.82V)(430M:1.29V)0V(50M:0.86V)(144M:0.86V)(430M:1.32V)0V(50M:2.44V)0V (50M TX:4.51V)50M TX:+15.7dBm1000pF Coupling Capacitor.0V(50M:1.12V)BC SW RX:0.79V50M RX:1.31V50M TX:3.9V50M RX:0.35V50M TX:0.45VMAIN NFM RX:+4.3dBµSUB NFM RX:+3.5dBµ52.000MHz1000pF Coupling Capacitor.0.7V (0V)50M RX:0.8V50M RX:1.13V (0V)50M RX:0.67V (0V)SUB144M RX:2.4V (0V)50M RX:2.0V (0V)0V (0V)0V (0V)1.88V(1.92V)0V (0V)1.3V(1.3V)1.32V(1.32V)6.4V(6.4V)0V (4.85V)2.98V(3.03V)2.93V(2.98V)2.25V (2.3V)2.26V(2.81V)13.4V(13.3V)12.8V(12.7V)2.9V(2.9V)0V (0.48V)0V (2.4V)0V (2.95V)SUB50M RX:1.27V (0V)0V (0V)0V (0V)2.12VSAVE:0V2.78V (0V) 76~222M RX:1.98V 430M: 1.99V76~222M TX:2.05V(2.01V)BC SW RX:0.78VBC SW RX:0.75VBC SW RX:0.59VBC SW RX:1.5V2.3V(2.3V)2.9V (2.9V)UL:0V0V (0V)UL:2.9V0V (0V)0V (0V)50M: 1.99V(2.07V)0.66V(0.66V)1.55V (1.6V)SAVE:2.94V0V (2.9V)2.25V(1.6V)0V (5.5V)50M RX:0V0V (0V)AM RX:2.61V13.8V(13.6V)AM RX:+12dBµ10dB SN0.1µF Coupling Capacitor.0V (0V)SW RX:2.95V0V~6.43V (0V)6.47V(6.47V)0V (2.9V)(AMTX:2.38V)0V (0V)AM:2.5V(AM:2.5V)0V (2.5V)(AMTX:0V)0V (2.9V)AMRX:1.84V(AMTX:2.9V)0V (0V)50M: 2.77V(0.48V)SHIFT ON:2.86VSHIFT OFF:0V0V (0V)50M RX:0.45V0.2V (0V)430M RX:2.13V0.66V (0V)430M RX:2.7VEXT DC IN 13.8V** :RX, ( ** ):TX19
Page 1 and 2: 50/144/430 MHz Triple-BandHeavy Dut
Page 3 and 4: TransmitterRF Power Output:Modulati
Page 5 and 6: Block Diagram5
Page 8 and 9: Circuit Descriptionpassed through a
Page 10 and 11: Circuit DescriptionPLL Frequency Sy
Page 12 and 13: AlignmentTest SetupSet up the test
Page 14 and 15: AlignmentSquelch Preset Threshold (
Page 16 and 17: AlignmentHigh TX Power Adjustment (
Page 20 and 21: RF Unit (Lot. 1~)Parts LayoutABCDab
Page 22 and 23: RF Unit (Lot. 4~)Parts LayoutABCDab
Page 24 and 25: RF UnitREF. DESCRIPTION VALUE V/W T
Page 34 and 35: AF Unit (Lot. 1~)Parts LayoutABCDab
Page 40 and 41: AF UnitREF. DESCRIPTION VALUE V/W T
Page 46 and 47: CNTL Unit (Lot. 1~)Parts LayoutABCD
Page 52 and 53: CNTL UnitREF. DESCRIPTION VALUE V/W
Page 58 and 59: CNTL UnitNote:58
Page 60 and 61: VCO Unit (Lot. 20~)Circuit DiagramP
Page 62 and 63: VCO UnitREF. DESCRIPTION VALUE V/W
Page 64: Copyright 2003VERTEX STANDARD CO.,

VX-7R Technical Supplement - The Repeater Builder's Technical ...

Create successful ePaper yourself

Delete template?

Save as template?