HP 70427A User Manual page 63

Getting Started
To Demodulate AM: IF AM Detector
Step 2 - Select the detector's output
The choices are the front-panel AM NOISE connector or the rear-panel
IF LEVEL connector.
The AM NOISE output is AC coupled. Its signal can be analyzed with a
low-frequency spectrum analyzer.
The IF LEVEL output is DC coupled and filtered. Its signal is a DC analog
of the downconverter's IF level.
1. Press the
2. Press the
3. Press the
4. Select the output by pressing one of the following softkeys:
•
The
IF AM NOISE
•
The
IF LEVEL
Figure 2-19 Detector's Output Selection Diagram
2-18 HP 70427A/HP 70428A User's Guide
softkey.
Amplitudes
softkey.
more 1 of 2
softkey.
IF AM Output
softkey selects the AM NOISE connector.
softkey selects the IF LEVEL connector.