Trying to run a circuit with 74123 one shot

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STINGERX

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i’m trying to run this circuit but i don’t realy understand what is the problem?
as you can see in the attached image this is how i connected the circuit into an integrator on pspice.
 

crutschow said:
Since you didn't say what your problem is, I don't understand the problem either. :???:
Click to expand...

sorry

i want to design a circuit that summarize (with the integrator) the pulses from a photodiode, to do this i need to use one shot circuit but I don't really understand how to connect it to the integrator and from the pulse generator
pspice shows me errors that say's there are floating connections

any suggestions?
 

What is the purpose of the one-shot in the circuit? Is it to reset the integrator after integrating the pulses?

If Pspice says there are floating nodes then you need to determine where they are. I don't offhand see any in your schematic.
 

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