Operation Model
8901B
COMMENTS
Input/Output Status
MODULATION OUTPUT/AUDIO INPUT
is
turned
off
during this measurement. However, AM
OUTPUT and FM OUTPUT (rear panel) remain active but uncalibrated. The tuning of the instrument
remains unchanged.
Relative Measurements
If
RF
level
is
to
be displayed relative
to
a reference, enter the value
as a
ratio reference using the RATIO
key. (Refer to
Ratio
on page 3-215.)
Measuring RF Level on Signals with AM
If
the RF input signal has AM, the peak envelope power is measured.
Previous Input High-Pass Filter Selection
The input high-pass filter (Special Function
3)
remains inserted
if
previously selected.
Error
06
The maximum allowable input level
is
1W into
500.
Input levels greater than 1W cause the overpower
relay
to
open
and
the display
to
show
Error
06.
To reset the relay, remove the input signal and select
any measurement key.
3-86
RF Level
To Next Page
Loading...
