Agilent Technologies HP 8566B Dokumentacja Strona 218

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7. 3 MHz Bandwidth Filter Adjustments
A4A7
3 MHz Bandwidth Filter
A4A7
Figure 3-38.
Location of Center, Symmetry, and 10
Hz
Amplitude
Adjustments
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
nulled
and adjusted for best symmetry. See Figure 3-38 for
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
nulled
and adjusted for best symmetry. See Figure 3-38 for
location of adjustments.
15. Remove crystal filter bypass network near C41 SYM.
16. Adjust
A4A7C42
CTR for minimum amplitude of the displayed
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.
3-78 Adjustments
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