HP 8566B Adjustment Manual page 388

and using the DATA knob to place the signal
peak near the top of the graticule.
24. Press MARKER IOFF), then MARKER a].
25. Using the DATA knob, adjust
the displayed signal to the 7.3 dB point; CRT MKR annotation
indicates 0.430 X.
26. Adjust A4A9R65 10 kHz for MKR A indication of 5.00 kHz while
maintaining the marker at 0.430 X using the DATA knob. Refer to
Figure 4-8 for the adjustment location.
27. Press MARKER la]. Adjust the marker to the 7.3 dB point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
28. The CRT MKR A annotation now indicates the impulse bandwidth
of the 10 kHz bandwidth. The impulse bandwidth should
fl.O kHz
29. Key in 3
and using the DATA knob to place the signal peak near the top of
the graticule.
30. Press MARKER m and MARKER Ia].
31. Using the DATA knob, adjust the marker down one side of the
displayed signal to the 7.3 dB point; CRT MKR A annotation
indicates 0.430 X.
32. Adjust A4A9R66 3 kHz for MKR A indication of 1.5 kHz while
maintaining the marker at 0.430 X using the DATA knob. Refer to
Figure 4-8 for the adjustment location.
33. Press MARKER la). Adjust the marker to the 7.3 dB point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
34. The CRT MKR La] annotation now indicates the impulse
bandwidth of the 3 kHz bandwidth. The impulse bandwidth
should be 3.00 f0.30 kHz
9. Impulse Bandwidth Adjustments
the
marker down one side of
Option 462 4-29
be 10.0
and