Filter
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4 Configure the source and measurement for a frequency response measurement:
Press [
Source
], [
source on
],
Press [
source type
], [
periodic chirp
],
Press [
Return
], (bottom softkey)
Press [
level
], .5, [ Vrms].
Press [
Res Bw/Window
], [
rbw mode arb
],
Press [
main window
], [
uniform
].
Press [
Range
], [
channel both
], [
ch* single range up-down
].
Press [
Average
], [
average on
]
Press [
num averages
], 50, [
enter
],
Press [
average type
], [
rms (video)
].
Press [
Auto Scale
].
5 Start an averaged measurement:
Press [
Meas Restart
].
The display should appear similar to that shown below. To learn more about the
choices you make in this measurement, display online help for the various keys
used (see “Using Online Help” if you are not familiar with how to do this).
Note the distinction between selecting the range (the sensitivity of the
analyzer’s input circuitry) and selecting the scale (the position of the data on
the display).
Frequency response data displays the output of a device-under-test divided by the
input
Characterizing a Filter
5-3