Probing Principles
Maximum Allowable Pulse Width
To determine the maximum allowable pulse
width do the following:
1. Measure th e peak current of the pulse.
2. Divide the Ampere-second (or
Ampere-microsecond) specification
for the range setting of the TCP0030 probe
by the measured peak current of the pulse:
The quotient is the maximum allowable
pulse width (PW
max
).
3. Check that the pulse width at the 50% point
of the measured signal is less than the
calculated maximum allowable pulse width
(PW
max
).
TCP0030 C urren t Probe Instruction Manual 37
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