User's Manual

1-8
Table 1-2. Operating Parameters
Standard Test Conditions: 28Vdc Input, +25
 C
Characteristics Specifications
Distortion AM - 10% Maximum, RF = -33dBm (5 mV), 1 kHz @ 85% AM
Modulation
FM - 10% Maximum, RF = -33dBm (5 mV), 1 kHz @ 6.5 kHz
Modulation
Transmitter Characteristics
High Power Output Mode Tolerance Expressed in Watts Expressed in
dBm
Maximum (+2 dBm) 15.85 Watts Avg. 42 dBm Avg.
Typical 10 Watts Avg. 40 dBm Avg.
AM (at 80% AM PT 5%)
Minimum (-2 dBm) 6.31 Watts Avg. 38 dBm Avg.
Maximum (+2 dBm) 15.85 Watts 42 dBm
Typical 10 Watts 40 dBm
FM
Minimum (-2 dBm) 6.31 Watts 38 dBm
Medium Power Output Mode Tolerance Expressed in Watts Expressed in
dBm
Maximum (+2 dBm) 7.94 Watts 39 dBm
Typical 5 Watts 37 dBm
FM
Minimum (-2 dBm) 3.16 Watts 35 dBm
Low Power Output Mode Tolerance Expressed in Watts Expressed in
dBm
Maximum (+2 dBm) 7.94 Watts Avg. 39 dBm Avg.
Typical 5 Watts Avg. 37 dBm Avg.
AM (at 80% AM PT 5%)
Minimum (-2 dBm) 3.16 Watts Avg. 35 dBm Avg.
FM Nominal 0.1 Watts or 100 mW 20 dBm
Modulation
AM (PT) 60% to 90% at 1 kHz. : Distortion 10% Max. @ 30% AM; 15% Max. @
80% AM
AM (CT) 70% nominal at 8 kHz. : Distortion 10% Max. @ 30% AM
FM (PT)
VHF
3.3 kHz at 1 kHz. : Distortion 10% Max.
UHF
6.5 kHz at 1 kHz. : Distortion 10% Max.
FM (CT)
VHF
5.0 kHz at 1 kHz.
UHF
5.6 kHz at 1 kHz.
Spurious Outputs >=70 dB below CW carrier (typical)
Harmonic Outputs >=53 dB below CW carrier
Output Impedance
50 nominal
Protection No damage from open or short circuits at the antenna port.
Gradual transmit power reduction for high VSWR loads.
Transmit Duty Cycle when in the
Hi Power Output Mode (10 W)
25 degrees C: continuous
55 degrees C: 9:1 receive to transmit duty cycle