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
Summary of Contents for VX-450 series
Page 12: ...12 VX 450 Series UHF Band Service Manual Block Diagram Version A D Non key Type RF Section ...
Page 14: ...14 VX 450 Series UHF Band Service Manual Block Diagram Version A D Non key Type AF Section ...
Page 20: ...20 VX 450 Series UHF Band Service Manual Block Diagram Version I K Non key Type RF Section ...
Page 22: ...22 VX 450 Series UHF Band Service Manual Block Diagram Version I K Non key Type AF Section ...
