GTN 625/635/650 TSO Installation Manual
190-01004-02
Page 1-6
Rev. F
1.3.5 COM Specifications (GTN 635/650 Only)
1.3.5.1 COM Transmitter Specifications
[1] Applies to 28V systems only.
Characteristics
Specifications
Classes
3, 4, 5, 6
Microphone Input
Two inputs, standard carbon or dynamic mic with integrated preamp
providing minimum 70 mVRMS into 1000
load
Modulation Capability
85% with 100 to 1000 mVRMS microphone input at 1000 Hz
Modulation
AM double-sided
Emission Designator: 6K00A3E (118 – 136.975 MHz)
5K60A3E (118 – 136.992 MHz)
Frequency Range
118.000 to 136.975 MHz, 25 kHz channel spacing
118.000 to 136.992 MHz, 8.33 kHz channel spacing
Frequency Tolerance
+/-2ppm from -40°C to +70°C
Output Power
10 Watt Mode: 10 watts minimum
16 Watt Mode: 16 watts minimum [1]
Duty Cycle
100%
16W: Recommended 25% (5 seconds on/15 seconds off,
15 seconds on/45 seconds off, etc.)
Carrier Noise Level
At least 35 dB (SNR).
Stuck Mic Time-Out
30 seconds time-out, reverts to receive
Demodulated Audio Distortion
Less than 5% distortion when the transmitter is at 85% modulation at
350 to 2500 Hz
Sidetone
1.4 Vrms into a 500
load
Содержание GTN 625
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