Photodiode Pulser Circuit
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Richard Hester
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Photodiode Pulser Circuit
Attached is a short page describing a photodiode pulser that can be used to test charge sensitive and other preamp circuits. Using this pulser, one obtains accurate results for charge sensitive amplifier fall time. The circuit is a touch slower than a PMT, but a whole lot easier to build and power, and smaller to boot. Any fast photodiode could be used in place of the SFH203 cited in the schematic.
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Joe Gayo
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Re: Photodiode Pulser Circuit
Does anyone have this file?
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John Futter
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Re: Photodiode Pulser Circuit
I do not know about the original file but I use this one to test SPIMs and PMT's
Note it uses a very high voltage to get the necessary dI/dT through the blue LED
Note it uses a very high voltage to get the necessary dI/dT through the blue LED
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Jon Rosenstiel
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Re: Photodiode Pulser Circuit
Fixed the missing file, should work now.
JonR
JonR