EVX-534/-539 VHF Service Manual
2
Specifications: USA (NA) & Except EIA (CE) Models
General
Frequency Range:
136-174 MHz
Channel / Group:
512 Channel / 32 Group
Emission Type:
16K0F3E / 11K0F3E (Analog)
7K60F1E / 7K60FXE (Digital: 12.5 kHz Voice)
7K60F1D / 7K60FXD (Digital: 12.5 kHz Data)
7K60F1W (Digital: Combination of 12.5 kHz Voice & Data)
Power Supply Voltage:
7.4 V DC ±10 %
Current Consumption:
1.8 A (5 W TX)
Channel Separation:
12.5 / 25 kHz (Analog) (USA Model: 12.5 kHz)
12.5 kHz (Digital)
Operating Temperature Range:
–22 °F to +140 °F (–30 °C to +60 °C)
Frequency Stability:
±1.5 ppm
Antenna Impedance:
50 ohm (unbalanced)
Dimension (W x H x D):
2.3” x 4.4” x 1.5” (58.4 x 112.5 x 37.5 mm) (EVX-534/-539 with FNB-V133LI-UNI)
2.3” x 4.4” x 1.8” (58.4 x 112.5 x 45 mm) (EVX-534/-539 with FNB-V134LI-UNI)
Weight (Approx.):
11.1 oz (314 g) (EVX-534 with FNB-V133LI-UNI, Antenna, & Belt Clip)
12.7 oz (360 g) (EVX-534 with FNB-V134LI-UNI, Antenna, & Belt Clip)
11.2 oz (317 g) (EVX-539 with FNB-V133LI-UNI, Antenna, & Belt Clip)
12.8 oz (363 g) (EVX-539 with FNB-V134LI-UNI, Antenna, & Belt Clip)
Receiver
:
Measured by TIA603/603D
Circuit Type:
Double Conversion Super-heterodyne
IF
50.85 MHz / 101.7 MHz
Sensitivity:
0.25 µV (Analog, 12 dB SINAD)
0.28 µV (Digital 1 % BER)
Conducted Spurious:
–57 dBm
Adjacent Channel Selectivity:
70 dB (25 kHz Step, TIA603)
60 dB (12.5 kHz Step, TIA603)
70 dB (25 kHz Step, TIA603D)
45 dB (12.5 kHz Step, TIA603D)
Intermodulation:
65 dB (25 kHz Step)
60 dB (12.5 kHz Step)
Spurious & Image Rejection:
70 dB
Hum and Noise:
–45 dB (25 kHz Step)
–40 dB (12.5 kHz Step)
Audio output:
700 mW (internal @ 16 ohm 5% THD)
350 mW (external @ 4 ohm 5% THD)
Transmitter
:
Measured by TIA603/603D
Output Power:
5.0 / 2.5 / 1.0 / 0.25 W
Modulation Type:
Sigma Delta Modulation
Maximum Frequency Deviation:
±5.0 kHz (25 kHz Step, Analog)
±2.5 kHz (12.5 kHz Step, Analog)
1745 Hz - 2138 Hz (12.5 kHz Step, Symbol Deviation)
Conducted Spurious Emissions:
70 dB Below Carrier
FM Hum & Noise:
–45 dB (25 kHz Step)
–40 dB (12.5 kHz Step)
Audio Distortion:
3 % @1 kHz
Specifications subject to change without notice or obligation.
Summary of Contents for evx-534
Page 7: ...EVX 534 539 VHF Service Manual Block Diagram 7...
Page 22: ...EVX 534 539 VHF Service Manual 22 MAIN Unit Circuit Diagram FR025450B Control Section...
Page 23: ...EVX 534 539 VHF Service Manual 23 MAIN Unit Circuit Diagram FR025450B RF Section...
Page 24: ...EVX 534 539 VHF Service Manual 24 DISPLAY Unit Circuit Diagram FR027620B...