Tektronix P6015A, Instruction Manual

Page: 56 / 76

Adjustments
2–8
P6015A Instruction Manual
100
m
s
R4,C2
200
m
s
R2,C1
50
m
s
R5,C4
Figure 2–3: Periods Affected by Compensation Adjustments
6. Adjust
R2
and
C1
to flatten the area 200
m
s from the leading
corner. Refer to Figure 2–3 to locate the zones affected by the
adjustments in this and the following steps.
NOTE . Figure 2–3 shows an idealized waveform. The displayed
waveform will include some ground lead ringing.
7. Adjust R4 and C2 to flatten the area 100
m
s from the leading
corner.
8. Adjust
R5
and
C4
to flatten the area 50
m
s from the leading
corner.
Adjustments R2, R4, R5, C1, C2, C4, and C5 interact. Steps 4 and 6
through 8 may have to be repeated several times to achieve optimum
flatness.