Replaceable Parts - HP 11941A Operation Note

HP 1194! OPERATION NOTE
4. Press the STORE DATA key, then
Store & Display.
5. Realign the DUT as shown in figure 15, The calibration label of the DUT should face upward. This
position illuminates the second sense loop of the DUT with the same magnetic field intensity as the first
loop.
6
. Press the STORE DATA key and
Store_^J^g 01
Then press the INPUT key and
Vqtcumg^
The two displayed traces will typically be <3 dB apart for properly functioning probes, and >6 dB apart for
damaged probes. If your measurements are repeatedly yielding results between 3 dB and 6 dB, then the test
setup should be checked
TOP VIEW
Figure 15. Detail of Probe Orientation for Insertion Loss Test
(Measurement of Loop #2)
5-1. REPLACEABLE PARTS
5-2. The SMA adapter located at the end of the probe is the only replaceable part on the HP 11941A (see
figure 16), It protects the probe's integral connector from mechanical damage and should be left on. Should
the end of the adapter become worn or damaged through use, it can be replaced using the procedure
outlined in paragraph 5-3.
SMA Adapter.HP Part Number 1250-1158
Check Digit 3
Loctite 222®.HP Part Number 0470-0573
Check Digit 9
15