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HP 85027A/B/C Operation
3.
PRESET the HP 8757A and turn off channel 2.
4.
Set the HP 8350B to output 50 MHz swept CW.
5.
Perform a short/open calibration and then press [DISPLAY] [MEAS-MEM] on
the HP 8757A for normalized measurements. Turn on the cursor.
6.
With nothing connected to the test port of the bridge, set the RF plug-in to indi¬
cate a CRSR value of 0.0 dB on the CRT.
7.
Connect the 10 dB pad to the test port of the bridge.
8.
The CRSR value should now be -20.0 ±2.0 dB.
9.
To check the DC performance of the bridge, perform steps 1 through 4. Then
select [MODE DC] and perform a manual DC ZERO. Continue with steps 5
through 9. The final result should again be -20.0 ±2.0 dB.
3-5
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