|
The Radio Set AN/ARR-15 R-105 has been designed for installation in all type of Naval aircraft.The purpose of the equipment is to provide reliable, preset, multi-channel, voice, cw, and mcw, pilot or radio operator controlled reception.The audio output is cosistent at 500milliwatts maximum with avc and noise limiter action. With r-f inputs of 10 to 10,000 microvolts, 30 per cent modulated, the output will contain 15% or less distorsion. The audio responce does not vary more than plus or minus three db relative to the response at 1000 cps for modulation frequencies of 300 to 3500cps. The maximum attenuation is attained below 300 cps and above 3500cps. The low pass filter provided for cw reception is down 30db or more at 1600 cps from 1200 cps reference frequency and within three db from 1200 cps to 300 cps. Voice, cw or mcw signals may be received with this equipment. A control on the front panel of the receiver permits the selection of the type of reception. This control is designated CW-MCW-CAL and should be operated to the MCW-CAL position when it is desired to receive voice or mcw signals.When voice modulated or mcw reception is selected, the beat frequency oscillator circuit is disabled, the avc circuit is connected so as to be operative and a variabe "T" pad is used to control the input to the headphones. If cw reception is selected, the avc is partially disabled, the "T" pad is disconnectsd from the audio output circuit, and a potentiometer connected in the catode circuit of the r-f amplifier and first and second i-f amplifier tube circuits, is used to control the gain. Both "T" pad and potentiometer are operated by the volume control. The equipment is designed to operate at temperatures within range of -40°C to +60°C. This equipment will operate satisfactory up to an altitude of 40,000 feet above sea level. Associated radio transmitter ATC, AN/ART-13, or equal. Used in A-3A, RC-121, P-2, Z-1, R-6D-1, ZPK.
|
|
|||
 |
. |
|||
|
|
||||
 |
||||