HP (Hewlett-Packard) 8935 User Manual
54
Chapter 3
Utility Procedures
Oscilloscope
Selecting the Oscilloscope’s Input
1. Press
Shift
, then
RF Anl
(AF Anl) to select the AF ANALYZER screen.
2. Select the
AF Anl Input
field. A list of choices appears.
3. Select the desired input to the scope:
•
FM Demod
for FM demodulated audio from input signals
connected to the RF IN/OUT or ANT IN connectors.
•
AM Demod
for AM demodulated audio from input signals
connected to the RF IN/OUT or ANT IN connectors.
•
SSB Demod
for SSB demodulated audio from input signals
connected to the RF IN/OUT or ANT IN connectors.
•
Audio In
for a signal connected to the AUDIO IN connector.
•
Ext Mod
for a signal connected to the rear panel MODULATION
INPUT connector.
•
FM Mod
for the FM modulated audio from the RF generator
section.
•
AM Mod
for the AM modulated audio from the RF generator
section.
•
Audio Out
for the signal present at the AUDIO OUT connector.
4. The input to the oscilloscope is displayed on the SCOPE screen.
Selecting the Oscilloscope’s Filters
1. Press
Shift
, then
RF Anl
(AF Anl) to select the AF ANALYZER screen.
2. Select the
Scope To
field. A list of choices should appear.
3. Select the desired filtering for the signal:
•
Input
if you want no filtering (dc coupled)
• Filters to route the audio to the oscilloscope after passing through
filters 1 and 2. (ac coupled)
• De-emp to route the audio to the oscilloscope after passing
through filters 1 and 2, and the de-emphasis circuitry.(ac coupled)
• Notch to route the audio to the oscilloscope after passing through
Filters 1 and 2, the de-emphasis circuitry, and notch filter
circuitry. (ac coupled)
circuitry. (ac coupled)
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