Location Of Center, Symmetry, And 10 Mhz Amplitude - HP 8566B Adjustment Manual

7. 3 MHz Bandwidth Filter Adjustments
3-78 Adjustments
3 MHz Bandwidth
Location of Center, Symmetry, and 10 Hz Amplitude
9. Remove crystal filter bypass network near Cl4 SYM.
10. Adjust A4A7C15 CTR for minimum amplitude of the displayed
signal peak. Adjust A4A7C14 SYM for best symmetry of the
displayed signal. Repeat adjustments to ensure that the signal
is nulled and adjusted for best symmetry. See Figure 3-38 for
location of adjustments.
11. Remove crystal filter bypass network near C23 SYM.
12. Adjust A4A7C24 CTR for minimum amplitude of the displayed
signal peak. Adjust A4A7C23 SYM for best symmetry of the
displayed signal. Repeat adjustments to ensure that signal is
location of adjustments.
13. Remove crystal filter bypass network near C32 SYM.
14. Adjust A4A7C33 CTR for minimum amplitude of the displayed
signal peak. Adjust A4A7C32 SYM for best symmetry of the
displayed signal. Repeat adjustments to ensure that signal is
location of adjustments.
15. Remove crystal filter bypass network near C41 SYM.
16. Adjust A4A7C42 CTR for minimum amplitude of
signal peak. Adjust A4A7C41 SYM for best symmetry of the
displayed signal. Repeat adjustments to ensure that the signal
is nulled and adjusted for best symmetry. See Figure 3-38 for
location of adjustments.
17. Signal should be centered on center graticule line on CRT display.
If signal is not centered, repeat steps 3 through 16 to readjust
each filter stage.
Filter
Figure 3-38.
Adjustments
the displayed