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How long can I overvoltage my infinium 54855A

Question asked by apchar on Jun 28, 2011
Latest reply on Jul 1, 2011 by apchar
The max voltage on the inputs to the 54855A Infinium scope is +/- 5V (100mA.) Since obviously nothings arcing at 5V I assume it's a matter of too much current overheating and killing the input amplifier. How does this limit vary with pulse width. I have a pulse width of about 15nsec from a current probe & I'm worried about transients in the tens of volts killing our $65,000 scope.