Vertex Standard VX-3200U , Service Manual

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Specifications
General
Frequency range : 400-430 MHz (Version A)
450-490 MHz (Version D)
480-512 MHz (Version F)
Number of Groups : 10
Number of Channels : 128 channels
PLL Steps : 5.0 kHz/6.25kHz
Power Supply Voltage : 13.6V DC ±15 %
Channel Spacing : 12.5 / 25.0 kHz
Current Consumption (Approx.): TX: 10 A
RX: 700 mA
STBY: 250 mA
Operating Temperature range : –22 °F to 140 °F (–30 °C to +60 °C)
Frequency Stability : Better than ±2.5 ppm
RF Input-Output Impedance : 50 ohms
Audio Output Impedance : 4 ohms
Dimensions : 6.3 x 1.6 x 6.7 inch (160 x 40 x 170 mm)
Weight (Approx.): 1.87 lb (0.85 kg)
Receiver (Typical Values)
Circuit type : Double conversion Super-heterodyne
Sensitivity : 0.25 uV (12 dB SINAD)
Adjacent Channel Selectivity : 80/67 dB
Intermodulation : 80 dB
Spurious and Image Rejection : 90 dB
Audio Output : 4 W @ 4 ohms 5% THD
Audio Distortion : <3 % @1 kHz
Transmitter (Typical Values)
Power Output : 45 W (low: 10W)
Modulation : 16K0F3E, 11K0F3E
Max Deviation : 5.0/2.5 kHz
Conducted Spurious Emission : 70 dB below carrier
Audio Distortion : <3 % @ 1 kHz
Microphone type : Dynamic
Microphone impedance : 600 ohms