Functions and Measurements 3
N9342C/43C/44C User’s Guide 49
Making a Stimulus Response Transmission
Measurement
The procedure below describes how to use a
built- in tracking generator to measure the rejection
of a low pass filter, a type of transmission
measurement.
1 To measure the rejection of a low pass filter,
connect the equipment as shown below.
A 370 MHz low- pass filter is used as a DUT in
this example.
Figure 3-17 Transmission Measurement Test Setup
N9340A
HANDHELD SPECTRUM ANALYZER
100 kHz - 3.0 GHz
PRESET
ENTER
FREQ SPANAMPTD
BW/
SWP
SYS MODE MEAS TRACE
ESC/ CLR
2DEF 3 GHI1ABC
5MNO4JKL
6
PQR
8
VWX
7
STU
9
YZ_
0SAVE
LIMIT
MARK ER
DUT
2 Press [Preset] to perform a factory preset.
3 Set the start and stop frequencies and resolution
bandwidth:
• Press [FREQ] > {Start Freq} > 100 > {MHz}
• Press [FREQ] > {Stop Freq} > 1 > {GHz}
• Press [BW] > {RBW} > 1 > {MHz}
4 Turn on the tracking generator and if necessary,
set the output power to –10 dBm:
Press [MODE] > {Track Generator} > {Amplitude (On)} >
–10 > {dBm}.
CAU-CAUTION
Excessive signal input may damage the DUT. Do not
exceed the maximum power that the device under test can
tolerate.
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