HP 8591C User Manual page 89

Channel Measurements
Making Channel Measurements
FM deviation test
1. To use the FM deviation function, press FM DEV . The markers are placed
2. If desired, change the number of cycles per measurement by pressing
3. If you want to store the results to a RAM card, insert a formatted RAM
4. If you want to print the results, press (COPY).
2 - 4 6
N O T E
Option 102 or 301 is required to perform the FM deviation measurement using HP 8590 E-Series
spectrum analyzers. This option is standard with the HP 8591C analyzer.
on the largest peak-to-peak extreme found during the measurement time.
card into the analyzer's card-insertion slot, press (SAVE) display->card ,
then press [MODE) (MODE_) to return to channel measurement mode. Refer
to Chapter 3 for the procedure on formatting a RAM card.