HP 8568B, Performance Tests And Adjustments Manual, Page: 189 / 313

7. 3 MHz Bandwidth Filter Adjustments
25. Adjust PK for maximum peak-to-peak signal on Channel
2 display. See Figure 3-39 for location of adjustment. If unable to
achieve a “peak” in signal amplitude, increase or decrease value
of
Refer to 3-3 for range of values.
3 M H z B a n d w i d t h F i l t e r
Figure 3-39. Location of 3 MHz Peak Adjustments
26. Move Channel 2 probe to (left side of SYM).
27. Adjust frequency synthesizer output frequency to peak Channel 1
display.
28. Adjust PK for maximum peak-to-peak signal on Channel
2 display. See Figure 3-39 for location of adjustment. If unable to
achieve a “peak” in signal amplitude, increase or decrease value
of
Refer to Table 3-3 for range of values.
29. Move Channel 2 probe to (left side of SYM).
30. Adjust frequency synthesizer output frequency to peak Channel 1
display.
31. Adjust PK for maximum peak-to-peak signal on Channel
2 display. See Figure 3-39 for location of adjustment. If unable to
achieve a “peak” in signal amplitude, increase or decrease value
of
Refer to 3-3 for range of values.
32. Disconnect Channel 2 probe from
33. Adjust frequency synthesizer output frequency to peak Channel 1
display.
34. Adjust
[
REFERENCE
using step keys to place signal near top
CRT graticule line.
35. Adjust PK for maximum signal amplitude on the CRT
display. See Figure 3-39 for the location of adjustment. If unable
to achieve a “peak” in signal amplitude, increase or decrease
value of
Refer to Table 3-3 for range of values.
36. Disconnect Channel 1 probe from Disconnect
‘frequency synthesizer output from and reconnect cable
97 (white/violet).
Adjustments 3-75