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H P 16530/31 A - Adjustments
4-18. HF Compensation Adjustment
DESCRIPTION:
This adjustment will maximize the high bandwidth gain with the best overshoot.
EQUIPMENT:
Pulse Generator .............................................................. Tektronix Type 284
Cable type N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 115008
Adapter N(m)-to-BNC(m) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-0028
PROCEDURE:
a.
Connect fast rise time pulse generator to INPUT 1 as shown in figure 4-30.
PULSE GENERATOR
OUTPUT
Figure 4-30. HF Compensation Adjustment Equipment Hookup
b.
Set pulse generator for a fast rise time (<1 ns) 0.2 Vp-p pulse.
c.
Touch Display, then touch Channel.
d.
Touch Impedance and set channel 1 to 50 Ohms. See figure 4-31.
Figure 4-31. Impedance Select
4-23
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