FM Receivers
106
Measurement Procedure:
1Connect the Receiver as shown.
On the Test Set:
2Press the PRESET key.
3Press the RX key.
Using the knob and data entry keys:
4Set RF Gen Freq to the receiver operating frequency.
5Set Amplitude to −47 dBm (1 mV).
6Set AFGen1 To 60% of the Receiver’s specified maximum frequency de-
viation (typically 3 kHz).
7Set Filter 1 to <20 Hz HPF.
8Set Ext Load R to the test load resistance.
9Set AC Level meter to measure Watts.
On the Radio set the Receiver’s Controls as follows:
10 Set power to ON.
11 If required, set frequency to the same value as step 4.
12 Set RF Gain to maximum (if equipped).
13 Set coded squelch feature to minimum (if equipped).
14 Set the volume control until the AC Level reads 50% of the Recei ver’s
specified audio output.
Refer to the audio output specifications for the receiver being tested.
Additional Equipment
Required
Test Load
Special Test Consid er at i ons See "Receiver Test Loads" on page 46.
See "Coded Squelch" on page 47.