HP 8566B Adjustment Manual page 385

9. 6 dB Resolution Bandwidth Adjustments
4-26 Option 462
24. Press MARKER IOFF), then MARKER [nl.
25. Using the DATA knob, adjust the marker down one side of the
displayed signal to the
26. Adjust A4A9R65 10 kHz for MKR A indication of 5.00 kHz while
maintaining the marker at .500 X using the DATA knob. Refer to
Figure 4-7 for the adjustment location.
27. Press MARKER a]. Adjust the marker to the 6 dB point
opposite side of the signal (CRT MKR A annotation indicates 1.00
28. The CRT MKR A annotation now indicates the 6 dB bandwidth of
the 10 kHz bandwidth filter. The bandwidth should be 10.0 fl.O
29. Key in 3 kHz,
necessary,
and using the DATA knob to place the signal peak near the top of
the graticule.
30. Press MARKER m and MARKER a].
31. Using the DATA knob, adjust the marker down one side of the
displayed signal to the 6 dB point; CRT MKR A annotation
indicates .500 X.
32. Adjust A4A9R66 3 kHz for MKR A indication of 1.5 kHz while
maintaining the marker at .500 X using the DATA knob. Refer to
Figure 4-7 for the adjustment location.
33. Press MARKER la]. Adjust the marker to the 6 dB point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
34. The CRT MKR [al annotation now indicates the 6 dB bandwidth
of the 3 kHz bandwidth filter. The bandwidth should be 3.00
6 dB point; CRT MKR annotation indicates
5 kHz,
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FREQUENCY
readjust by pressing
on the
and
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REFERENCE