Codan Radio Communications VT-3H040-S Manuale Utente
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DANIELS
ELECTRONICS
VT-3H040 VHF Enhanced Transmitter Instruction Manual
1-3
1.4
Performance Specifications
1.4.1
General
The following is a general set of specifications for the generic VT-3H040 transmitter. Additional
specifications, specific to individual modules may be found in their respective submanuals.
Type:
MT-3 Series Transmitter
Family:
VT-3H040
Compatibility:
MT-2 Series and MT-3 Series Radio Systems
Frequency Range:
29.0 MHz to 50.0 MHz
RF Power Output:
3.0 Watt Fixed (± 1.5 dB with temperature and
supply voltage).
supply voltage).
System Impedance:
50 ; Type N connector.
Duty Cycle:
100%: Continuous operation from -30˚ C to +60˚C
(optional -40˚ C to +60˚C).
(optional -40˚ C to +60˚C).
Harmonic Emissions:
More than 90 dB below carrier.
Spurious Emissions:
More than 80 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);
- linear output (separate lines only).
Modulation:
16K0F3E
Synthesizer Reference Frequency:
9.600000 MHz or 10.000000 MHz ; selectable.
Channel Spacing:
20 / 25 kHz
Frequency Stability:
Standard: ±1 ppm, -30˚C to +60˚C,
optional -40˚C to +60˚C
optional -40˚C to +60˚C
Channel Selection:
In 5 kHz or 6.25 kHz increments selected through
four internal BCD rotary switches. Preset capability
for 16 channel memory selectable through external
control.
four internal BCD rotary switches. Preset capability
for 16 channel memory selectable through external
control.