9. Turn on the arbitrary source:
Press [
Source
], [source type], [arbitrary], [arb data reg], [D3].
Press [
Source
], [level], −32, [dBV pk].
Set up a frequency display: press [
Measurement Data
], [spectrum ch1].
Turn averaging on: press [
Average
], [average
on
].
Take a measurement: press [
Meas Restart
].
Wait for the average count to reach 100.
Save the trace in D1: press [
Save/Recall
], [save trace], [into D1].
Connect the source to the input of the RF/microwave analyzer and the
89411A output to the 89410A channel 1 input.
Set the center frequency of the RF/microwave analyzer to 5.6 MHz and the
span to 0 Hz Make sure the resolution bandwidth is set to 3 MHz and the
sweep time is set to a large value. Set the display scale to linear and
adjust the reference level to −22 dBm.
10. Turn averaging off:
Press [
Average
], [average
off
].
The source signal now appears on the 89410A screen.
Press [
Math
], [define F5], [meas data], [spectrum ch1], [/], [data register], [D1], [enter].
This defines function SPEC1/D1 to view the normalized trace you are
about to produce. Function F5 may already be set up.
11. Set the receiver to external:
Press [
Instrument Mode
], [receiver], [external)].
Set the frequency: press [
Frequency
], [center], 5.6, [MHz].
Set up the source using the source’s automatic span quantization:
Press [
Source
], [source type], [periodic chip], [arbitrary].
Set the range: [
Range
], −14, [dBm].
Set the Meas Data to the function: [
Measurement Data
], [math func], [F5].
Turn averaging back on: [
Average
], [average
on
].
Restart the measurement: press [
Meas Restart
].
When the data is collected, save trace in D1: [
Save/Recall
], [save trace], [into D1].
Using the Agilent 89411A Downconverter
15-10
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