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You're right - the output of the PMT appears to be a current output, but I believe I am using the OpAmp as a current to voltage converter...
Can anyone help by putting together a simple circuit layout of what should work for me on how to convert the current output of the PMT to 0-5v positive...
- The signal used from the photomultiplier is just a BNC socket, which I have split two wires off of - signal is fed through the 1k resistor to the OpAmp, and ground of the signal from the PMT is tied to the supply ground of the circuit.
- Sample PM signal waveform below (See Figure 2)
- 1M...
Hi all,
I am working out a way to invert & amplify a signal output from a photomultiplier tube. The signal output is varying negative pulses from 0v to -1v.
I would like to invert that signal & amplify it x10 for later reading with an ADC. I thought it would be a simple inverting amplifier...
Using the suggested figure to simulate (see below), I am not seeing the output as the absolute value of my signal... Rather, on the output, I am only seeing a slight positive bump and a very similar signal to my input. Is my simulation setup wrong, or is the circuit not capable of supporting my...
I am working on a multi-channel analyzer and have an output coming from a photomultiplier tube. The output is in the form of negative pulses of varying amplitude between 0 and -3v. They are very sharp and have a ~2uS fall time.
I would like to convert that signal to positive pulses so that it...
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