Watkins-Johnson Company WJ-8718-19/FE Instruction Manual page 157

MAINTENANCE WJ-8718-19/FE HF RECEIVER
4.3.2 TEST EQUIPMENT REQUIRED
Table 4-2 lists the test equipment required for corrective maintenance of
the WJ-8718-19/FE HF Receiver. Equivalent equipment may be used.
Table 4-2. Test Equipment Required
Instrument Required Recommended
Type Characteristics Instrument
Signal Generator AM, FM, CW, RF output, HP8640B
from -111 dBm to 0 dBm
Oscilloscope dc to 50 MHz HP180C
RF Voltmeter 1 mV to 3.0 V; -50 dBm Boonton 92B
to +20 dBm
Digital Counter 0 to 500 MHz HP5303A
AC Voltmeter 1 mV to 300 V, full scale HP-400E
Digital Voltmeter dc ranges; 196 or better Fluke 8100A
Dummy load, 600 ohm 1/2-W dissipation Two 1200 ohm, 1/4-W or
1/2-w resistors in
parallel
Headphones Stereo, 600 ohm impedance, Telex 325-02 or
or Mono Telex 820-4
Sweep Generator 100 kHz to 11.0 MHz HP8601A
4.3.3 RECEIVER CHECKOUT PROCEDURE GUIDELINES
Observe the following guidelines to perform the receiver checkout
procedure:
r
4-4
1. With the receiver deenergized, connect the test
equipment as shown in Figure 4-1. Remove receiver top
and bottom covers.