Press [maximum freq]22[GHz] (appropriate for the HP/Agilent 8566A/B).
3. To enable control of the external spectrum analyzer via GPIB:
Press [
rcvr control on]
Press [
Local/Setup
], [system controller], [peripheral addresses], [ext rcvr adrs], 18, [Enter]
(or use whatever address the attached RF/microwave spectrum analyzer is
set to).
4. Set up the other measurement parameters.
Press [
Instrument Mode
], [vector].
Press [
System Utility
], [time domain cal
on
].
Press [
Frequency
], [center], 5.6 [MHz].
Press [
span], 3 [MHz].
Press [
Range], −14 [dBm].
Press [
ResBW/Window
], [rbw mode
arb
].
Press [
main window], [uniform].
Press [
Return], [num freq pts], 801, [Enter].
5. Set up the source and turn it on:
Press [
Source
], [source type], [periodic chirp].
Press [
Source
], [level], −22, [dBm].
Press [
source
on
].
6. Set up the trigger:
Press [
Trigger
], [trigger type], [internal source].
7. Set up averaging.
Press [
Average
], [average type], [time].
Press [
Return], [num averages] , 100, [enter].
Press [
average
on
].
8. Set up a time display:
Press [
Measurement Data
], [main time
ch1
].
Take a measurement: press [
Meas Restart
].
Wait for the average count to reach 100.
Store this data in D3: press [
Save/Recall
], [save trace], [into D3].
Turn averaging off: press [
Average
], [average
off
].
(continued on next page...)
Using the Agilent 89411A Downconverter
15-9