Method #2 - Tune By Start And Stop Frequencies - HP 8591C User Manual

Method #2 - Tune by start
1. Press the
and stop frequencies
Use the
the peak of the signal falls approximately 10 to 20 dB below the top of the
display.
1. Press (MODEI), IMODE) once the amplitude and frequency are set.
The markers are automatically placed at the estimated left and right edges of
the selected channel. The total power between the two markers is calculated
and the result displayed in current units.
If the automatic marker placement is not ideal, the markers may be moved.
Press MARKER 1 to change the position of the left marker.
Press MARKER 2 to change the position of the right marker.
The marker frequency position may be entered directly using the numeric
keypad or adjusted using the knob control and step keys.
[ ]
FREQUENCY
front panel key, REF LWL to set the reference level so
[ ]
AMPLITUDE
N O T E
If you have selected
TUNE BY FRQ
frequency will be used as the center frequency in the channel power measurement. If you try to
manually set the center frequency to a value other than the visual carrier, it will be reset to the value
of the visual carrier when running the test.
front panel key.
in the
Tune Conf
Channel Measurements
Making Channel Measurements
ig
menu, the visual carrier
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