Description of Loop Antenna

SCREW

DC-TO-AC INVERTER

RECEIVER MATING

CONNECTOR

RECEIVER

LOCK-NUT

TM5826-225-12-3

Figure 1-3. Mounting MT-3605/ARN-83

ment panel or control console with four Dzus type

1-12. Description of Loop Antenna

(fig. 1-1)

fasteners. Alphanumerical characters on the control

The loop antenna is a completely sealed unit with

unit translucent front panel are illuminated by six

a nonremovable electrical connector. Inside the unit

lamps mounted behind the panel. Two other lamps

are two parallel-connected pairs of ferrite-type

illuminate the frequency dial numbers and a white

coils or loops. When installed on the aircraft, one

hairline engraved on the dial viewing window. A

pair of coils is physically located parallel with the

linkage system. connected to the range switch and

aircraft longitudinal axis and the other pair of coils

frequency dial, positions the dial so that only the

is located parallel with the aircraft lateral axis.

frequency range in use appears. All electrical con-

The loop antenna is fixed and does not rotate as in

nections to the control unit are made through a

earlier adf systems. Signal output of the loop

antenna passes through its associated electrical

connector located at the rear of the unit.