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42
Cal>]→[Freq Resp.>]→[SHORT S11>] or [OPEN S22>] or [SHORT S22>], connect to the open-
circuit device or short-circuit device at corresponding test port as per the prompt, and conduct the
operation shown in steps f
）
and g
）
.
NOTE:
Only one standard piece can be measured at one time. In case of any
maloperation during standard piece selection, return to press
【
Calibrate
】
→[M Cal]→[Freq Resp.] again to select correct standard piece. Do not use
the circuit-closer during reflection response correction.
For S
22
response
For S
11
response
Open
Short
Load
Open
Short
Load
Microwave Analyzer
Figure 4-3 Standard piece connection for reflection measurement response error correction
Response error correction for transmission measurement
a)
Select the measurement type as required in the VNA mode:
To measure forward transmission (S21), press
【
Meas
】
→[S21].
To measure reverse transmission (S12), press
【
Meas
】
→[S12].
b) Set other parameters for device measurement, including the start frequency, stop frequency, output
power, sweep points or IF bandwidth.
c) Press
【
Calibrate
】
to open the calibration menu.
d) Select the frequency response error correction function, press [M Cal>]→[Freq Resp.>]→ THRU
S12>] or[THRU S21>] to pop up a prompt automatically “Connect Thru cable between P1 and
P2,then press corresp. menu button to start!”. Connect the N-type cable between P1 and P2 at
this time.
NOTE:
All adapters and cables to be used for device measurement shall be
prepared, that is, to connect the standard device to the position for
measurement.
e) After the trace is stable, press [THRU] to prompt “Calibrating standard piece measurement...” during
standard piece measurement, and show underline indicating item test completion after
measurement and error factor calculation.
f)
Press [Done] to complete the transmission measurement error correction. The DUT can be
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