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4-25
Performance Tests
7. Test Port Input Frequency Response
25
When the analyzer displays the message,
POWER METER CALIBRATION
SWEEP DONE
, connect the equipment as shown as in Figure 4-13.
Figure 4-13. Test Port 1 Input Frequency Response Test Setup
Test Port 1 Input Frequency Response from 300 kHz to 3 GHz
26
Press
MEAS
,
INPUT PORTS
,
A
.
27
Press
MARKER
,
MARKER 1
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH:MIN
.
28
Press
MARKER
,
MARKER 2
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH:MAX
.
29
Write the marker 1 or marker 2 reading, whichever has the larger absolute
magnitude, in the “Performance Test Record.”
30
This completes the “Test Port Input Frequency Response” procedure if your
analyzer does
not
have Option 006. Otherwise, continue with the next sections.
Power Meter Calibration for Test Port 2 from 3 GHz to 6 GHz
31
Replace the power sensor with the Agilent 8481A, and then setup the power
meter:
• If the power meter is an Agilent 438A, press
LCL
.
• If the power meter is an Agilent 437B, press
PRESET/LOCAL
.
• If the power meter is an Agilent 436A, cycle the line power.
32
Connect the equipment as shown in Figure 4-14.