Keysight 86205A, Руководство по эксплуатации и обслуживанию

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3 Performance Tests
30 Keysight 86205A Operating and Service Manual
Return Loss Test
Recommended equipment
Procedure
1 Set the IF bandwidth to 100 Hz and select S22 as the measurement parameter, by pressing the
following keys on 8753:
PRESET
MEAS, S22
AVG, IF BW, 100, x1
2 Set the stop frequency to 2 GHz and select a log frequency sweep, by pressing:
STOP, 2, G/n
MENU, TRIGGER MENU, SINGLE
MENU, SWEEP TYPE MENU, LOG FREQ
3 Set the power to 20 dBm, by pressing:
MENU
POWER, 20, x1
4 Perform a one-port calibration on port 2, by pressing:
CAL
CAL KIT, N 50 ohm
RETURN, CALIBRATE MENU, S22 1-PORT
5 When prompted, connect the standards as shown in Figure 3-4 .
Table 3-2 Recommended equipment for return loss test
Equipment Recommended model
Network analyzer 8753C (or 8753A with 85046A)
S-parameter test set 85046A or 85047A
50 W type-N calibration kit 85032B
50 W type-N (m) load 909F option 012
Type-N cable part number 8120-4781
Adapters 7 mm to type-N (m) 11524A (p/o 85032B)
NOTE
When measuring the open and short devices, select OPEN (m) and SHORT (m) on the analyzer.
The selection must correspond to the test port, not the device being measured.