Keysight 86205A, Руководство по эксплуатации и обслуживанию

Страница: 36 / 45

3 Performance Tests
36 Keysight 86205A Operating and Service Manual
6 When prompted, connect the calibration devices to port 1 of the bridge as shown in Figure 3-8
(measure the load last).
Figure 3-8 Equipment setup for S22 1-port measurement calibration
7 Load the frequency response error term into memory when the calibration is done, by pressing:
SYSTEM
SERVICE MENU, TESTS
34, x1, EXECUTE TEST
DISPLAY, DATA/MEM
CAL, CORRECTION OFF
The resulting display is the uncorrected load data (the last measurement taken during the
calibration), normalized to the frequency response of the system.
8 Find the worst-case directivity value, by pressing:
MKR FCTN
MARKER SEARCH MAX
NOTE
When measuring the open and short devices, select OPEN (f) and SHORT (f) on the analyzer. The
selection made must correspond to the test port not the device being measured.
Measure the open and short circuit devices; then measure the load.
KEYSIGHT 8753C
NETWORK
ANALYZER
KEYSIGHT 86025A
DIRECTIONAL
BRIDGE