HP 8591C Manual de usuario Pagina 126

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I
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Using Spectrum Analyzer Features
Using limit-line Functions
Procedure
for
Creating
an
Upper
Limit
Line
This procedure demonstrates how to create a sample upper limit line for the
CAL OUT signal and activate testing. Detailed descriptions of the limit-line
functions follow this procedure.
1. Press
(FiEFi].
2. Set the center frequency and span by pressing [FREQUENCY], 300
INIHz),
and (SPAN), 500 (MHz].
3. Connect the cable TV analyzer’s CAL OUT and INPUT 75
61
on the cable
TV analyzer using an appropriate cable. (The calibration signal is used as
the “test” signal for this demonstration.)
NOTE
If the amplitude units are anything other than
dBmV
at this time, change the amplitude units to
dBmV
for this demonstration. Press (AMPLITUDE], More 1 of 2, Amptd Units ,
dBmV
4. Press
Ijjj,
Limit Lines to access the limit-line menus.
3-34
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