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Hello PSoC world,
How to create a differentiator using a SC block module ? (Without any external passive components) - This would help me in eliminating the glitches & delays I encounter now when I go for a combo design with external RC network.
Please attach application notes, howsoever old it is 🙂
Regards,
RAM
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PSoC 1
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There is an application note you might be interested in, look here http://www.cypress.com/?rID=2899
Bob
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The ap note does not cover stability, or for that matter show f(jw) curves,
so be careful in its use.
A quick test is to feed it with a step and look at response, you can calculate
phase margin from that.
http://en.wikipedia.org/wiki/Step_response
http://www.ele.uri.edu/~daly/535/margin.html
http://www.t-es-t.hu/download/analog/ad4-1.pdf
Regards, Dana.
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@ Bob - Can you provide a more specific app note - one that is exclusively given for a differentiator ?
@ Dana - thanks. that pdf was awesome. I'd be glad if I get any PSoC specific resources.
RAM
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Sorry, no more AppNotes for this topic. Have a look yourself at PSoC1 Appnotes here http://www.cypress.com/?id=4&rID=55571
Bob