VHF Enhanced Transmitter Instruction Manual VT-3 132 - 174 MHz
1-3
1.4
Performance Specifications
invisible text
1.4.1
General
The following is a general set of specifications for the generic VT-3/150 transmitter. Additional
specifications, specific to individual modules may be found in their respective submanuals.
Type:
MT-3 Series Transmitter.
Family:
VT-3/150.
Compatibility:
MT-2 Series and MT-3 Series Radio Systems.
Frequency Range:
132 to 174 MHz.
RF Power Output:
Adjustable: 0.5 to 2.0 W and 2.0 to 8.0 W.
Modulation:
11K0F3E or 16K0F3E (Frequency Modulation).
System Impedance:
50
Ω
; Type N connector.
Duty Cycle:
100%; Continuous operation from -40°C to +60°C.
Spurious Emissions:
More than 80 dB below carrier.
Harmonic Emissions:
More than 90 dB below carrier.
Transmitter Mismatch Protection:
20:1 VSWR at all phase angles.
Transmitter Alarm:
Forward power sense and reverse VSWR;
• open collector output (separate or 'OR'ed
configuration);
• linear output (separate lines only).
Operating Temperature Range:
-30˚C to +60˚C, optional -40˚C temperature test.
Operating Humidity:
95% RH (non-condensing) at +25°C.
Operating Voltage:
+13.8 Vdc Nominal (range +11 to +16 Vdc),
+9.5 Vdc Regulated.
Transmit Current:
2.5 Amps at 8 Watts RF Power Output.
Front Panel Controls:
NORM (repeat mode), OFF, and KEY TX (Tx on).
Содержание VT-3/140-SWA2
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