User's Manual

Adjustment Procedures

TDS 684A, TDS 744A, & TDS 784A Service Manual

5–19

LF Comp

R1 R2

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.