Vertex Standard VX-450 series, Руководство по обслуживанию

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3 VX-450 Series UHF Band Service Manual
General
Frequency range : 400-470 MHz
Channel / Group : 512 CH / 32 Groups (VX-459, VX-454)
32 CH / 2 Group (VX-451)
Power Supply Voltage : 7.4 V DC ± 10%
Current Consumption : 1.8 A (5 W TX)
Channel Spacing : 12.5 / 20 / 25 kHz
PLL Steps : 5 / 6.25 kHz
IP Rating : IP57
Operating Temperature Range : –20 °C to +55 °C (–30 °C to +60 °C: Workable)
Charging Temperature Range : 5 °C to +35 °C
Frequency Stability : ±2.5ppm
RF Input-Output : 50 Ohms
Dimension (H x W x D): 109 x 58.5 x 34 mm (VX-451 with FNB-V112LI)
109 x 58.5 x 43 mm (VX-451 with FNB-V113LI)
109 x 58.5 x 35 mm (VX-451 with FNB-V133LI-UNI)
109 x 58.5 x 43 mm (VX-451 with FNB-V134LI-UNI)
109 x 58.5 x 36 mm (VX-454/-459 with FNB-V112LI)
109 x 58.5 x 45 mm (VX-454/-459 with FNB-V113LI)
109 x 58.5 x 37 mm (VX-454/-459 with FNB-V133LI-UNI)
109 x 58.5 x 45 mm (VX-454/-459 with FNB-V134LI-UNI)
Weight (Approx.): 296 g (VX-451 with FNB-V112LI, Antenna, Belt Clip)
340 g (VX-451 with FNB-V113LI, Antenna, Belt Clip)
322 g (VX-454/-459 with FNB-V112LI, Antenna, Belt Clip)
366 g (VX-454/-459 with FNB-V113LI, Antenna, Belt Clip)
281 g (VX-451 with FNB-V133LI-UNI, Antenna, Belt Clip)
330 g (VX-451 with FNB-V134LI-UNI, Antenna, Belt Clip)
307 g (VX-454/-459 with FNB-V133LI-UNI, Antenna, Belt Clip)
356 g (VX-454/-459 with FNB-V134LI-UNI, Antenna, Belt Clip)
Receiver (Measurement per EN300 086)
Circuit Type : Double Conversion Super-heterodyne
Sensitivity (20 dB SINAD): –2 dB μ V
Adjacent Channel Selectivity : 70/65 dB (W/N)
Hum and Noise : 45/40 dB (W/N)
Intermodulation : 65 dB
Spurious Image Rejection : 70 dB
Audio output : 700 mW (intemal @ 16 Ohms 5% THD)
500 mW (extemal @ 4 Ohms 5% THD)
Transmitter (Measurement per EN300 086)
Output Power : 5 / 2.5 / 1 /0.25 W
Modulation : 16K0F3E/11K0F3E
Maximum Deviation : ±5.0 kHz / ±2.5 kHz
Spurious Emissions : –36 dBm (<1 GHz), –30 dBm (>1 GHz)
FM Hum & Noise : 45 dB / 40 dB
Audio Distortion : < 3% @ 1kHz
Specifications subject to change without notice or obligation.
Specifications: EIA (CE) Model