Building a Spectrum Analyzer

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Article #19495

#19495

From: Walter Mahla
Date: Fri, 22 Jul 1988 18:00

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I am thinking about building a ~16 band spectrum analyzer.  I was going
to use a PLL to sweep the audio spectrum through a band-pass filter, take
the avg. power and pass that through a A/D converter and use decoders to
turn on LEDs.  I was wondering if anyone out in .net-land had seen any 
good schematics (sp) and what the 16 best bands to use would be?

Any info would be appreciated.

                           will at infinet
                           (mahla@infinet)

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!bellcore!rutgers!cmcl2!nrl-cmf!ames!ll-xn!adelie!infinet!mahla
From: mahla@infinet.UUCP (Walter Mahla)
Newsgroups: sci.electronics
Subject: Building a Spectrum Analyzer
Message-ID: <1166@infinet.UUCP>
Date: 22 Jul 88 18:00:51 GMT
Reply-To: mahla@infinet.UUCP (Walter Mahla)
Distribution: na
Organization: Infinet, Inc.  North Andover, MA
Lines: 12