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Subject: Re: integrating a signal
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Sun, 19 Jan 2003 17:01:29 GMT
NNTP-Posting-Date: Sun, 19 Jan 2003 18:01:29 MET
> I have a bipolar fixed frequency square wave signal with varying duty
> cycle and magnitude. (D varies from 0.05-0.95 and magnitude +0.1-3.5V
> and -0.1 -3.5V).
> I need to integrate this signal.
> Can you please help me find a circuit to:
> 1. Integrate this signal. Without worrying about the constant of
> integration etc.
> 2. I might as well manage with a circuit which changes the slew rate
> of the input signal. So the Voutput has a slew rate proportional to
> Vinput where this constant of proportion can be designed. This may as
> well give a signal proportional to the integral of the signal.
> Thanks for the circuit ideas
With a bipolar current source you can charge a capacitor and then buffer the
capacitor for a low output resistance. This doesn't give spikes with the
electronic hardware designer
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