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From: firstname.lastname@example.org (Ashish)
Subject: Re: integrating a signal(Slew Rate)
Date: 20 Jan 2003 04:50:42 -0800
NNTP-Posting-Date: 20 Jan 2003 12:50:42 GMT
Thanks for all the postings. What I really really want is an integral
of the signal. However, to avoid problems I would settle for a signal
with slew rate proportional to the square wave described.
Now as the frequency of the signal is fixed at 100Khz and the duty
cycle varies considerably I would prefer a solution with opamps rather
than a simple RC to avoid issues with tolerances and leakage currents
etc. However all ideas are welcome.
> > Hi
> > 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.
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