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CHASSIS PTBN121A4X


Adjustment

Reading PointAdjustmentDescriptionValue
PLL
VCO-Block CoilVCO Voltage2,5 Volt @ 27.185MHz
OSCILLATOR
RECEIVER
RV9AGC
RV10AM Squelch
RV11SSB Squelch
TRANSMITTER
RV12SSB Mic. Gain
RV2Bias Q10
RV13AM Output Power10 Watt
RV4ALC
RV1FM Modulation+/- 2kHz
RV14AMC90%
RV5 RV6Modulator BalanceAdjust for minimum carrier leakage
METER
RV3RF Power Meter
RV8RF S-MeterSSB (USB/LSB)
RV7RF S-MeterAM/FM

COMPONENTS

VCO Block
2SC2312 Finale Transistor
TA7200 Audio Power Amplifier
AN240P FM IF-Amplifier and Discriminator
AN612 Balanced Modulator
TA7310P Oscillator, Mixer and Amplifier
PLL02A PLL Frequency Synthesizer