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4-60
Performance Tests
16. Test Port Receiver Phase Compression
For 75Ω Analyzers
Cable, 75
Ω
, Type-N, 24-inch . . . . . . . . . . . . . . . . . . . . .Agilent P/N 8120-2408
Procedure Test Port 2 Phase Compression
1
Connect the equipment as shown in Figure 4-35.
Figure 4-35. Test Port Phase Compression Test Setup
2
Press
PRESET
,
MEAS
,
Trans: E/E S21 FWD
,
FORMAT
,
PHASE
.
3
Press
AVG
,
IF BW
,
10
,
x1
.
4
Press
MENU
,
SWEEP TYPE MENU
,
POWER SWEEP
,
START
,
–10
,
x1
.
5
Press
MENU
,
CW FREQ
,
50
,
M/
µ.
6
Press
MENU
,
TRIGGER MENU
,
SINGLE
.
7
At the end of the sweep, press
SCALE REF
,
AUTO SCALE
.
8
Press
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH: MAX
.
9
Press
MARKER
,
MARKER 2
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH: MIN
.
10
Press
MARKER
,
∆MODE MENU
,
∆REF= 1
.
11
Write the absolute value of the marker 2 reading in the “Measured Value”
column of the “Performance Test Record.”
12
Repeat Step 5 through Step 11 for the other CW frequencies listed for Port 2 in
the “Performance Test Record.”