HP Cable Box 8591C User Manual
I
It is often necessary to measure a signal response’s bandwidth, such as when
testing a band-pass
testing a band-pass
The signal to be measured must be centered on the
display with a span that includes the full response. Activate the measurement
by turning the N
by turning the N
PTS
OFF key (ON). The spectrum analyzer places
arrow markers at the -3
points on either side of the response and reads
the bandwidth. For other bandwidth responses enter the number of
down
desired, from 1
to 80
No other signal can appear on the display within N
of the highest signal.
The measured signal cannot have more than one peak that is greater than or
equal to N
equal to N
A signal must have a peak greater than the peak excursion to
be identified. The default value for the peak excursion is 6
The N
bandwidth measurement error is typically:
l
about
% of the span, for spans 10 MHz
l
about
% of the span, for spans 10 MHz
Figure
N Bandwidth Measurement
5-60