TABLE 1-1. POWER AMPLIFIER AM-6545/GRC-193 CHARACTERISTICS

TM 11-5820-921-40-1

ITEM

CHARACTERISTIC

8.0 inches (20.3 cm)H x 16.4 inches (41.7 cm)L x

Dimensions

11.4 inches (28.9 cm)W

Approximately 54 lbs (24.5 kg)

Weight

+22 to +30 VdC, +26.5 Vdc (nominal), 45 amps maximum

Primary power requirements

2.0000 to 29.9999 MHz in 0.1 kHz increments

Frequency range

RF power input

100 milliwatts or less (2 watts PEP maximum)

RF input impedance

50 ohms with VSWR not greater than 1.3:1

400 watts average or PEP

RF output power

50 ohms

RF output impedance

Operational modes

USB, LSB, CW, SSB Secure Voice, SSB FSK

Distortion

Third order intermodulation products suppressed more

SSB

than 30 dB below either of two equal tones producing

400 watts PEP ±1 dB.

Less than 20% at 85% modulation

35 dB or more below rated output

Harmonic attenuation

60 dB or more below rated output

Spurious radiation

Duty cycle

Continuous

Automatic with information received from Receive-

Tuning

Transmitter in less than 5 seconds

60 seconds ±10 seconds

Warm-up time

Cooling

Convection and forced air (fan on case exterior)

-40°C (-40°F) to +55°C (+131°F)

Operating temperature

1 0 , 0 0 0 feet

Operating altitude

3 feet in both fresh and salt water for 4 hours

Immersion operation

Vibration

2.5 g's or 0.15 inch, double amplitude, 5.55 Hz

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