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Adjustment Procedures
TDS 684A, TDS 744A, & TDS 784A Service Manual
5–19
LF Comp
R1 R2
C1
Not Used
Figure 5–9: Locations of P6139A Probe Adjustments
H See Figure 5–10 to see what areas on the front corner that the
various adjustments affect.
d. Recheck Probe Bandwidth:
H Redo the procedure Adjust Probe — High Frequency Response to
check if probe now meets its bandwidth requirement.
H If the bandwidth requirement is met, adjustment is complete. Skip to
step 3.
H If the bandwidth requirement is not met, redo this procedure,
increasing front corner overshoot slightly relative to the stored
waveform.
H Repeat this step (d) until the bandwidth requirement is met.