Vertex Standard EVX-531 Manuel de service télécharger pdf (Page 2)

EVX-531 VHF Service Manual 2

General

Frequency Range: 136-174 MHz

Channel / Group: 32 Channel / 2 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 1.2” (58.4 x 112.5 x 30.5 mm) w/FNB-V133LI-UNI

2.3” x 4.4” x 1.5” (58.4 x 112.5 x 38 mm) w/FNB-V134LI-UNI

Weight (Approx.): 9.4 oz (276 g) w/FNB-V133LI-UNI, Antenna, Belt Clip

11.1 oz (315 g) w/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, TIA-603)

60 dB (12.5 kHz Step, TIA-603)

70 dB (25 kHz Step, TIA-603D)

45 dB (12.5 kHz Step, TIA-603D)

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: 500 mW (internal @ 4 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

Specications subject to change without notice or obligation.

Specications

(

USA/EXP Models

)

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Vertex Standard EVX-531 Manuel de service Page 2

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