56. Non-Harmonic Spurious Outputs, HP 8591EM Option 010

Measuring Fundamental Amplitudes

7.Set the EMC analyzer center frequency to the Fundamental Frequency listed in Table 2-72.

8.Set the microwave spectrum analyzer controls as follows:

SPAN :: :: :: ::: :: :: :: ::: :: :: :: :: ::: :: :: :: ::: :: :: :: :: ::: :: :: :: ::: :: :: :: 100 kHz

REFERENCE LEVEL :: :: :: :: ::: :: :: :: ::: :: :: :: ::: :: :: :: :: ::: :: :: :: : +5 dBm

ATTEN :: :: :: :: ::: :: :: :: ::: :: :: :: :: ::: :: :: :: ::: :: :: :: ::: :: :: :: :: ::: :: :: : 20 dB

9.Set the microwave spectrum analyzer CENTER FREQUENCY to the Fundamental Frequency listed in Table 2-72.

10.On the microwave spectrum analyzer, press PEAK SEARCH. Press MARKER

!REF LVL. Wait for another sweep to ￿nish.

11.Record the microwave spectrum analyzer marker amplitude reading in Table 2-72 as the Fundamental Amplitude.

12.Repeat steps 8 through 11 for all Fundamental Frequency settings in Table 2-72.

Table 2-72. Fundamental Response Amplitudes Worksheet

Fundamental Fundamental

Frequency Amplitude

(dBm)

10MHz

900MHz

1.8 GHz

Measuring Non-Harmonic Responses

13.On the EMC analyzer, set the center frequency to 10 MHz.

14.Set the microwave spectrum analyzer START FREQ, STOP FREQ, and RES BW as indicated in the ￿rst row of Table 2-73.

15.Press SINGLE on the microwave spectrum analyzer and wait for the sweep to ￿nish. Press 4MKR !5 MKR ! HIGH .

2-356 Performance Veri￿cation Tests