R3765/67G Series Network Analyzer Operation Manual
5.1 Measurement of Transmission Characteristic (2 Trace Display)
5-1
5 MEASUREMENT METHOD EXAMPLE
This chapter describes the operating method of the R3765/67G series.
All the screen displays used here are display sample of R3767CG.
5.1 Measurement of Transmission Characteristic (2 Trace Display)
5.1.1 Overlap Display Mode (Two Traces per Screen Measurement)
Here explains magnitude and phase measurement method using simultaneous display of 2 traces.
• 880MHz band-pass filter is used as DUT.
Setup (refer to sub-section 3.5.1) and preset (refer to sub-section 4.4.1).
The setting of the R3765/67G series is as follows.
Note: OPT11 or OPT14 uses a different [MEAS] menu.
For more information, refer to the description on page 7-10.
Calibrate the frequency characteristic
Remove DUT and connect the through adapter instead.
Normalize in this state.
[CAL] {NORMALIZE (THRU)}
Following the completion, return the connection to DUT (filter).
Change the scale of displayed trace
When the format is 2 trace simultaneous display like this, select which trace is to be
changed by “TRACE”.
Adjust the scale for the first trace (magnitude).
[SCALE] {AUTO SCALE}
Block name Setting Key operation
ACTIVE
CHANNEL
Set the channel to 2. [CH 2]
RESPONSE Select the input port in the
receiver part.
Set the measurement
format to magnitude (log
display) & phase.
AG type : Bridge is used.
[MEAS] {B/R} (Initial setup)
BG type :
[MEAS] {TRANSMISSION} (Initial setup)
CG type :
[MEAS] {S21 TRANS FWD} (Initial setup)
[FORMAT] {More 1/2} {LOG MAG &
PHASE}
STIMULUS Center frequency 880MHz
Span frequency 100MHz
[CENTER] [8] [8] [0] [MHz]
[SPAN] [1] [0] [0] [MHz]
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