4-60
Performance Tests
16. Test Port Receiver Phase Compression
For 75Ω Analyzers
Cable, 75Ω, Type-N, 24-inch . . . . . . . . . . . . . . . . . . . . . Agilent P/N 8120-2408
Procedure Test Port 2 Phase Compression
1Connect the equipment as shown in Figure 4-35.
Figure4-35. Test Port Phase Compression Test Setup
2Press PRESET, MEAS, Trans: E/E S21 FWD, FORMAT, PHASE.
3Press AVG, IF BW, 10, x1.
4Press MENU, SWEEP TYPE MENU, POWER SWEEP, START, –10, x1.
5Press MENU, CW FREQ, 50, M/µ.
6Press MENU, TRIGGER MENU, SINGLE.
7At the end of the sweep, press SCALE REF, AUTO SCALE.
8Press MARKER FCTN, MARKER MODE MENU, MKR SEARCH, SEARCH: MAX.
9Press 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.”