Technical Specification
Model Chart and Test Specifications 5C.1-3
3.0 Technical Specification
3.1 General
3.2 Transmitter
SPECIFICATION ITEM TYPICAL VALUE
Frequency Range Midband: 66-88 MHz
Channel Spacing 12.5 or 20/25 kHz
Frequency Stability ±5ppm
Power Supply 10.8 to 15.6V dc, negative earth
Dimensions 44x168x160 mm (HxWxD)
Weight 1030g
Operational Temperature - 25°C to + 55°C
Storage Temperature - 40°C to + 85°C
Antenna Connection 50Ω BNC
Environmental
- Mechanical
- Electrical
Vibration IEC 68/2/27 and Shock IEC 28/2/6
European Dust & Water protection IP54
ETS300-086 RF Specifications
ETS300-113 Cyclic Keying Requirements
ETS300-279 EMC Requirements
ETS300-219 Signalling
SPECIFICATION ITEM TYPICAL VALUE
Channel Spacing 12.5 or 20/25 kHz
Output Power 5-25W
Modulation Limiting <±2.5kHz (12.5kHz); <±4kHz (20kHz);
<±5kHz (25kHz)
FM hum & noise (CCITT) >40dB (12.5kHz); >45dB (25kHz) CCITT
Conducted/Radiated Emission <0.25uW (0.1...1000MHz); <1uW (1...4GHz)
Adjacent Channel Power <-60dB (12.5kHz); <-70dB (25kHz)
Audio Response (300 - 3000 Hz) Flat or pre-emphasised
Audio Distortion <5% @ 1kHz, 60% deviation
Transmit turn on time <25msec
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