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Specifications

Plate power

input.................................

Power output.....................

Audio input........................

Rf output
impedance.........................

Rf input
impedance.........................

Rf feedback.......................

Matching
speaker
impedance.........................

Matching phone -patch
impedance.........................

CaIibrator.......................

frequency
stability..............................

l75 watts pep on SSB 160 watts on CW

100 watts pep (nominal into50 ohms. on 80-40- and 20-meter bands

90 watts pep (nominal) into 50 ohms on 15 meter band

80 watts pep (nominal) into 50 ohms on 10meter band.

High-impedance microphone or phone patch

50 ohms with not more than 2.0 to I swr.

50 ohms

Approximately 10 dB of rf feedback around pa and driver

4 ohms.

500 to 1000 ohms receive output to phone patch; high-impedance phone-patch input to transmitter

100 -KHz crystal oscilator

With in 100 Hz during any I -hour period following 20-minute warm up. Not more than 100 cycles with ą 10% line voltage variation.

Calibration

accuracy..........................

Backlash..........................

Keying.............................

Audio -frequency
response...........................

Audio
compression
eharacteristics....................

Carrier suppression............

Unwanted
sideband ..........................

Oscillator
feedthrough
and/or
mixer pro(ducts
(undesired)......................

Second
harmonic
radiation..............

Third order
distortion...........................

Noise level.......................

Receiver
sensitivity..........................

:1 kHz after midband calibration

Not more than .50 cycles

Break-in CW with side tone provided

300 to 2400 Hz ą 6dB

ALC operates on if band and rf amplifier stages and is capable of 10 dB compression

(Carrier 50 dB downfrom output signal)

50 dB down from output signal

.. 50 dB down from output signal (40 dB down at 3500 kHz).

40 dB down from output signal

30 dB down from output signal

40 dB below single tone carrier.

0.5 mierovolt for 10-dB signal-plus-noise to noise ratio in amateur bands