Re: Analog Pitch Shifter
- From: Jerry Avins <jya@xxxxxxxx>
- Date: Fri, 30 May 2008 14:50:05 -0400
bharat pathak wrote:
Jerry,
I do not have analog background. So i do not know what can
be achieved and what cannot. By the way are there any good
"analog signal processing" books out there?
That depends on what you mean. Digital signal processing is mostly mathematics, and it it possible to do mathematical operations with analog circuits. Most designers of such circuits would be happy with slide-rule (i.e., 1%) accuracy. Somewhat better results -- maybe 0.1% -- can be had with the precision op-amp circuits of analog computers.
In the other hand, modulation, demodulation, filtering, channel compensation and more were all done routinely with analog circuits long before digital processing (or indeed even solid-state electronics) was contemplated. Circuit-design texts cover those applications.
Jerry
--
Engineering is the art of making what you want from things you can get.
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.
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