HP 70427A User Manual page 62

Getting Started
To Demodulate AM: IF AM Detector
Step 1 - Set up the downconverter to downconvert a signal
1. Enter the input frequency.
2. Set input attenuation and/or IF gain if necessary.
3. Connect the signal to be downconverted and demodulated to the
SIGNAL connector.
Figure 2-18 Downconverter Signal Setup
HP 70427A/HP 70428A User's Guide 2-17