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Non ideality in output square wave of a differentiator circuit

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rstofer:
https://www.3blue1brown.com/ is one of my favorite sites.  I have spent may hours hanging out around there as well as at Khan Academy and CalcWorkshop (fee).

emece67:
.

rstofer:

--- Quote from: IanB on February 13, 2019, 05:26:56 pm ---Another way to consider this is to recognize that a true square wave has infinite frequency content. Since no real circuit can handle infinite frequencies it means no real circuit can produce a perfect square wave.

--- End quote ---

Practcally, I think the circuit will be limited by the slew rate of the UA741 which is about 0.5V/us.  I would sure want to know more about the component values because I have problems when the simulation output is in terms of nanovolts.

Audioguru:
The 741 opamp is 52 years old. Bury it and let it RIP.

rstofer:

--- Quote from: Audioguru on February 13, 2019, 07:11:08 pm ---The 741 opamp is 52 years old. Bury it and let it RIP.

--- End quote ---

Except that both of my Comdyna 6 Analog Computers are loaded with 741s and replacements are expensive.  I'm somewhat reluctant to substitute but at some point that may just be the way it works out.

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