HP 8340B Manual page 49

4-9. SINGLE SIDEBAND PHASE NOISE (Cont'd)
Hz Offset
100
29. Repeat steps 26 through 28 with a CF STEP SIZE of 100 Hz substituted in step 27.
1 kHz Offset
30. On the HP 3585A, press FREQUENCY SPAN, 2.5 kHz, RES BW, 30 Hz.
31. Repeat steps 26 through 28 with a CF STEP SIZE of 1 kHz substituted in step 27.
10 kHz Offset
32. Connect the equipment in Figure 4-9 with the 1 MHz Notch Filter connected. Select the 1 MOhin
input impedance on the HP 3585A.
33. On the HP 3585A, press FREQUENCY SPAN, 2S kHz, RES 8W, 100 Hz. Decrement the RANGE
until the overload light just turns on and then increment it one step.
34. Repeat steps 26 through 28 with a CF STEP SIZE of 10 kHz substituted in step 27.
100 kHz Offset
35. On the HP 3585A, press FREQUENCY SPAN, 2S0 kHz, RES BW, 1 kHz.
36. Repeat steps 26 through 28 with a CF STEP SIZE of 100 kHz substituted in step 27.
37. Repeat steps 23 through 36 for the CW frequencies shown in Table 4-21.
1. Applies only to HP 8340B
4-50 Performance Tests
Table 4-21. Phase Noise Test Frequencies
cw
Frequency (0Hz)
DUT
6.902
13.402
19.502
26.0321
LO
6.901
13.401
19.501
26.0311
HP 8340B/41B