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Sweep Oscillator.
RF Plug-In...
Source Module.
Directional Coupler (two required)
Detector (two required plus DUT)
Scalar Network Analyzer.
Short.
Low Pass Filter.
Isolator.
. .HP8350B
.HP 83550A
. HP 83554A
. . HP R752C
HP R85026A
. . . HP 8757A
..HPR921A
. .HP R362A
. .HP R365A
1.
Connect equipment as shown in Figure 3-1, with the short connected to the coupler, and allow the
equipment to warm up for 30 minutes.
On the HP 8757A:
2.
Press [PRESET] to preset both the HP 8757A and HP 8350B.
On the HP 8350B:
3.
Press:
[START] [2] [6] [.] [5] [GHz]
[STOP] [4] [0] [GHz]
This step sets the frequency range at the output of the HP 83554A source module.
On the HP 8757A:
4.
Select
[CHAN 2 OFF],
5.
Press [MEAS] and select [A/R] softkey.
6.
Press [DISPLAY] and select [MEAS-*-MEM] to store the channel 1 display in memory.
7.
Select [MEAS-MEM]. A flat trace Is displayed on the CRT.
8.
Connect the detector to be tested in place of the short in the test setup.
On the HP 8757A;
9.
Press [SCALE] and select [AUTOSCALE] in the SCALE menu.
10. Press [CURSOR] and select the [MAX] softkey.
11. Read the worst case return loss from the cursor value given in the active entry area of the CRT.
Record this value on the test record card.
HP R85026A
Performance Tests
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