Agilent Technologies Agilent E1345A, Руководство по обслуживанию

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2.
Measure Channel 08 LO Resistance
–
Send
*RST
to multiplexer
–
Send
CLOS (@nn08)
to close chan 08, where
nn
= card #
–
Trigger the DMM with
TRIG SGL
and note reading
–
Send
OPEN (@nn08)
to open channel 08
–
Subtract measured value of R24 from DMM reading
–
Enter the result in Table 2-2 for Channel 08 LO
3.
Repeat for Channels 09 - 15 LO and Channels 91 - 92 LO
–
Repeat steps 1 and 2 for channels 09 - 15 LO and 91 - 92 LO
–
Use
CLOS (@nncc)
and
OPEN (@nncc)
, where
nn
=
card # and
cc
= channel # (omit leading zeroes in
nn
)
–
For Channel 91 LO, subtract combined value of R24 + R30
–
For Channel 92 LO, subtract combined value of R24 + R27
Ch 08 - 15 and 91 - 92
GU Measurements
1.
Make Hardware Connections
–
Turn mainframe power OFF
–
Connect DMM leads as shown in Figure 2-8
–
Turn mainframe power ON
Figure 2-7. Chs 08-15 and 91-92 LO Measurements Connections
Figure 2-8. Chs 08-15 and 91-92 GU Measurements Connections
28 Verification Tests Chapter 2