Maker Pro
Maker Pro

Any multi channel analyser which can accept negative fast pulse

Dears,

I am getting a fast pulse (4ns,-1.6V) output from a photomultiplier, it
is a typical negative pulse from a photomultiplier.
Anybody know how to convert it without any shape changing ? just
convert it to positive on with same shape and same width ? I want to
feed it into a multi-channel analyser to measure the pulse height
spectrum. Or is there any MCA that can accecpet negative pulse input
directly?

Thanks
 
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