Audio Amplifier Gain and Frequency Response Tests

TM 11-5820-498-35

3-21. Audio Amplifier Gain and Frequency Response Tests

a. Test Equipment and Materials.

(1) Generator, Signal AN/URM--127.

(7) Resistor, carbon: 130 ohms

(2) Voltmeter, Electronic ME-30(*)/U.

10%, 5 watt 8.

(3) Mounting MT-1029/VRC.

(4) Power Supply PP-2953(*)/U, or equal.

(6) Cable Assembly, Power, Electrical CX-4720/VRC.

(6) Receive dummy load assembly (para 3-3e, fig. 3-1).

b. Test Connection and Conditions. Remove the access plate from the top of the AM-2060(*)/GRC and

connect the equipment as shown in figure 3-18. Turn on the equipment and allow it to warm up for 5

minutes before preceding.

Procedure.

Change 2

3-23