Preshoot And Overshoot - HP 1652B Getting Started Manual
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Preshoot and
Preshoot and Overshoot measure the perturbation on a waveform
Overshoot
above or below the top and base voltages (see "Top and Base Voltages"
section earlier in this appendix). These measurements use all data
displayed on screen, therefore it is very important that only the data of
interest be displayed. If you want to measure preshoot and overshoot
on one edge of a waveform, then only display that edge. If you want to
measure the maximum preshoot and overshoot on a waveform, then
display several cycles of the waveform.
HP 16528/1653B
Front-Panel Reference
Preshoot i
measured
.s a
as
Overshoot is
measured as
perturbation before
a percentage of the t
a rising
op-base
or a falling edge and is
voltage.
a
a
perturbation after a rising or a falling
percentage of the top-base voltage
If the measured edge is rising then
Preshoot
= [ Vbase - vmm
] X 100
Vtop-base
Overshoot = [ Vmaximum - VtoD ] X 100
Vtop-base
If the measured edge is falling then:
Preshoot = [ Vmaximum - VtoD ] X 100
Vtop-base
Overshoot = [-I
X
100
Vtop-base
edge and is
Automatic Measurement Algorithms
B-5
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