Comments on: Two transistor siren http://www.circuitstoday.com/two-transistor-siren An Authentic Resource on Electronics Wed, 08 Feb 2012 02:09:28 +0000 hourly 1 http://wordpress.org/?v= By: seetharaman http://www.circuitstoday.com/two-transistor-siren#comment-60800 seetharaman Wed, 27 Jul 2011 10:43:59 +0000 http://www.circuitstoday.com/?p=1258#comment-60800 Hi Saurabh a siren is a source which will be raising in frequency for some time and then decreasing in frequency of sound for some time. You may please read the description of the siren, the operation is clearly given by the author. Hi Saurabh a siren is a source which will be raising in frequency for some time and then decreasing in frequency of sound for some time. You may please read the description of the siren, the operation is clearly given by the author.

]]> By: saurabh S http://www.circuitstoday.com/two-transistor-siren#comment-60695 saurabh S Mon, 25 Jul 2011 13:47:34 +0000 http://www.circuitstoday.com/?p=1258#comment-60695 can u please give the detailed working of siren??? can u please give the detailed working of siren???

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