Vertex Standard VX-5500L, Service Manual

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2-2
Specifications
G
ENERAL
Frequency Range : 29.7 - 37 MHz (Version A)
37 - 50 MHz (Version B)
Number of Channels : 250 channels
Channel Spacing : 20 kHz
PLL Steps : 5 / 6.25 kHz
Power Supply Voltage : 13.6 VDC ±15 %
Current Consumption : Standby: 600 mA
Receive: 2.2 A
Transmit: 15 A
Operating Temperature Range : –22 °F to +140 °F (–30 °C to +60 °C)
Frequency Stability : ±5 ppm
RF Input-Output Impedance : 50 Ohms
Audio Output Impedance : 4 Ohms
Dimensions (W x H x D): 7” x 2.4” x 7.7” (178 x 60 x 195 mm)
Weight (Approx.): 4.9 lbs. (2.2 kg)
R
ECEIVER
(Measurements made per EIA standard TIA/EIA-603)
Circuit Type : Double conversion Super-heterodyne
Sensitivity(EIA 12 dB SINAD) : 0.25 μ V
Adjacent Channel Selectivity : 85 dB
Intermodulation : 80 dB
Spurious and Image Rejection : 90 dB
Audio Output : 5 W @ 4 Ohms w/3 % THD (Internal)
10 W @ 4 Ohms w/3 % THD (External)
T
RANSMITTER
(Measurements made per EIA standard TIA/EIA-603)
Power Output : 70 W Adjustable to 30 W
Modulation : 16K0F3E
Maximum Deviation : ± 5 kHz
Conducted Spurious Emissions : 80 dB Below Carrier
Audio Distortion (@ 1 kHz): < 2 %
Microphone impedance : 600 ohms
Measurements per EIA standards unless noted above.
Specifications subject to change without notice or obligation.