AT&T Bell System J68386G Test Instructions

BELL SYSTEM PRACTICES
AT&TCo Standard
SECTION 411 -512-JU
Issue 2, April lt74
TD-3 MICRO WA VE RADIO
J68386G AND J68386H TRANSMITTER-RECEIVER IA YS
COMMON EQUIPMENT TESTS
J68387W 40-MHZ OSCILLATOR AND SHIFT MODULATOR
This section contains procedures for further checking the performance of the J68387W 40-MHz
oscillator and shift modulator (Fig. 1) when the requirements associated with this unit specified in
Section 411-502-500, Common Equipment Tests-Preliminary Checks, cannot be met.
t
CJ
40MHz
osc
FREQ ..
OSC MON
~
PWR 4'0J
~
<!
.;
l•
-
CR2li97A
SHIFT MOD
ft)
DIODE
GAUGE
(ft,
•
•
(i
,
Fig. 1-J68317W 40-MHz Oscillator Shift Mellulater
© American Telephone and Telegraph Company, 1974
Printed in U.S.A.
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