Multisim and Ultiboard

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A By-pass made up by a potenciometer


Dear forum users,

We are trying to understand the role of a by-pass made up by a potenciometer showed in the attached picture. The comparator is substracting the input from the bypass and the leaky integrator output. So what is the purpose of this by-pass line? thank you in advance.

Best regards,

Angel C.

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Just a guess, but does that not set the threshold value at which the comparator would operate on the negative? With the RC looking bit on the integrator, it would only allow a value beyond a threshold set by the user? if you try altering the pot value and simulate with a node on the inputs and the output of the comparator do you get a different output?

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