Passing this check confirms that the HP
and HP 8512A test sets function properly as part of an
HP8510 system.
Item HP Model or Part Number
Network analyzer system . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP
Test port return cable set . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test port return cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
attenuator (pad) . . . . . . . . . . . . . . . . . . . . . . HP 8493C option
Plug in and turn on the test set (it should not be connected to any other instrument or device now). The
line LED should light immediately and the active LED should light in about two seconds. Those
indications mean that the instrument has passed its self-test. Turn off the test set and connect it to the
HP8510 system as shown in Figure 3-3. Turn on all of the system instruments, network analyzer last.
Let the instruments complete their self-tests.
Remove any cables or
from the test set test ports. Press
[PRESET]
STIMULUS
[MENU]
on the
HP85102 to preset the HP8510 and access the STIMULUS menu.
a.
systems: press
[STEP]
on the HP85101 to put the source in step mode.
b.
systems: press
[SWEEP TIME]
[0] [0]
[k/m]
to set the sweep time to 200 ms. In
narrow band systems, the level of the frequency band generated should match the levels shown in
Figure 3-3 for a given frequency.
Now perform either the HP8514B or 8512A Operator’s Check.
to Test Set Troubleshooting in the
Service Manual
or contact your
local HP Service Office.
NOTE:
All of the following
CRT traces should decrease from
at 2
to
-27 5
at 20
1. To check all of the samplers in the HP 85148 test set, first redefine the a2 and b2 phase lock and
drive paths:
Press PARAMETER
[MENU] [User 3
[REDEFINE PARAMETER] [DRIVE] [Port [PHASE
LOCK]
[REDEFINE DONE]
a2.
Press
[User 2
[REDEFINE PARAMETER] [DRIVE] [Port [PHASE LOCK]
[REDEFINE
DONE]
to redefine b2.
3-4
HP
Test