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Performance Tests
16. Test Port Receiver Phase Compression
Test Port 1 Phase Compression
13
Press
MEAS
,
Trans: E/E S12 REV
,
FORMAT
,
PHASE
.
14
Press
MENU
,
CW FREQ
,
50
,
M/
µ
.
15
Press
MENU
,
TRIGGER MENU
,
SINGLE
.
16
At the end of the sweep, press
SCALE REF
,
AUTO SCALE
.
17
Press
MARKER
,
∆ MODE MENU
,
∆REF= 1
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR
SEARCH
,
SEARCH: MAX
.
18
Press
MARKER
,
MARKER 2
,
MARKER FCTN
,
MARKER MODE MENU
,
MKR SEARCH
,
SEARCH: MIN
.
19
Write the absolute value of the marker 2 reading in the “Measured Value”
column of the “Performance Test Record.”
20
Repeat Step 14 through Step 19 for the other CW frequencies listed for Port 1
in the “Performance Test Record.”
In Case of
Difficulty
WARNING
These servicing instructions are for use by qualified personnel only.
To avoid electrical shock, do not perform any servicing unless you are
qualified to do so.
WARNING
The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
WARNING
The power cord is connected to internal capacitors that may remain
live for five seconds after disconnecting the plug from its power
supply.
1
If the analyzer fails the “Test Port 2 Phase Compression” test:
a
Repeat this test.
b
Replace the A6 B sampler assembly if analyzer still fails the test.
2
If the analyzer fails the “Test Port 1 Phase Compression” test:
a
Repeat this test.
b
Replace the A5 A sampler assembly if analyzer still fails the test.