Agilent Technologies 89410A Operator's Manual page 31

6.
Turn on AM demodulation and examine the recovered modulation signal:
Press [
Instrument Mode
[ ], [
demod type
Instrument Mode
Press [
demodulation setup
Press [ ] to scale the display information, as shown below:
Auto Scale
The AM demodulated spectrum.
7.
Examine the recovered time-domain information:
Press [
Measurement Data
display the time data.
Press [ ] to scale the display information.
Auto Scale
Press [ ], [
Trigger trigger type
Recovered signal is volts as a function of time.
l
The span value sets the effective sample rate (∆t) and range of allowed
RBW values.
l
The RBW value determines the record length (T).
l
The number of measured points = T/∆t.
], [ ] (with option AYH, press
Analog Demodulation
], [ ], [
Analog Demodulation
], [ ], [ ].
ch1 result AM
main time ch1
], [ ] ([
main time
], [ ] to stabilize the display.
internal source
Demodulating an Analog Signal
]).
Return
] in a 2-channel analyzer) to
1-3