4-4
HP 8511A Test Set Operating and Service Manual
Operation
Operators Check
NOTE
All of the observed traces should decrease from
−
15
±
5 dB at 45 MHz to
−
35
±
5 dB at 26.5 MHz, similar to Figure 4-4.
a1 and b1 Test
2. Loosely connect the 20 dB pad to the power splitter and the RF source
cable to the pad as shown in Figure 4-3 on page 4-4. Connect the other
end of the RF source cable to the output of the source. Rotate the
semi-rigid cables to the required position for connection to ports a1 and
b1. Tighten all connections.
Figure 4-3
Hardware Configuration for Operator’s Check
3. Press PARAMETER
[MENU] [User 1 a1]
to observe the a1 power level trace.
Figure 4-4
Typical Operator’s Check CRT Trace
4. Press
[User 4 b1]
to observe the b1 power level trace.