User's Guide

DANIELS
ELECTRONICS LTD.
TM
1-2 IM20-VT3040AMP VT-3H040 VHF Amplifier Instruction Manual
Harmonic Emissions: Greater than 80 dB below the carrier.
Spurious Emissions: Greater than 90 dB below the 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 to +60°C temp test.
Operating Humidity: 95% RH (non-condensing) at +25˚ C.
Operating Voltage: +13.8Vdc Nominal (range +11 to +16Vdc),
+9.5Vdc Regulated.
Amplifier Transmit Current: 0.7 Amp typical; 1.1 Amp maximum
Amplifier Standby Current: less than 0.5 mA.
Amplifier Enable: Active to ground.
Amplifier Enable Response: typically overdamped, rising to within 90% of full power
within 5 msec; maximum (underdamped) overshoot of
30%.