Codan Radio Communications VT-3H040-S-HSO User Manual

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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%.