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ed_ma61 Forums Junkie Location: Lost in the K hole Registered: May 2002	Re: Knock Sensor Circuit Design ... Tue, 22 July 2003 10:01 oldcorollas wrote on Tue, 22 July 2003 18:10 you can easily make high and low pass filters using resistor and capacitors ive got a funny feeling that this wont be necesary: i get the impression that individual knock sensors themselves are 'tuned' to a specific frequency, for particular use with a given engine. as such, its conceivable that the sensor itself will only output a high amplitude signal when stimulated within its specific restricted freq range (corresponding to the 'knock zone')... thus, a circuit such as the one above might be adequate in simply being trigered whenever one of these high amplitude signals makes it through from the sensor... negating the need for an interim filter oldcorollas wrote on Tue, 22 July 2003 18:10 1N914 info http://www.fairchildsemi.com/ds/1N/1N914.pdf damn, i wish i knew the first thing about electronics... cheers ed [Report message to a moderator]

	Subject	Poster	Date
	Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 04:50
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 05:41
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 05:45
	Re: Knock Sensor Circuit Design ...	roger	Tue, 22 July 2003 05:46
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 05:52
	Re: Knock Sensor Circuit Design ...	oldcorollas	Tue, 22 July 2003 05:58
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:10
	Re: Knock Sensor Circuit Design ...	sideshow	Tue, 22 July 2003 06:13
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:26
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 06:39
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:52
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 06:58
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 07:03
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 07:08
	Re: Knock Sensor Circuit Design ...	oldcorollas	Tue, 22 July 2003 08:10
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 10:01
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 09:00
	Re: Knock Sensor Circuit Design ...	Cool1	Tue, 22 July 2003 07:01
	Re: Knock Sensor Circuit Design ...	sideshow	Tue, 22 July 2003 12:14
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 12:37
	Re: Knock Sensor Circuit Design ...	Allan	Tue, 22 July 2003 12:41
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 12:55
	Re: Knock Sensor Circuit Design ...	sideshow	Tue, 22 July 2003 12:43
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 13:02
	Re: Knock Sensor Circuit Design ...	Allan	Tue, 22 July 2003 13:12
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 13:26
	Re: Knock Sensor Circuit Design ...	ed_ma61	Tue, 22 July 2003 14:26
	Re: Knock Sensor Circuit Design ...	humble	Tue, 22 July 2003 17:22
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 00:17
	Re: Knock Sensor Circuit Design ...	Norbie	Wed, 23 July 2003 00:14
	Re: Knock Sensor Circuit Design ...	Allan	Wed, 23 July 2003 02:19
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 03:02
	Re: Knock Sensor Circuit Design ...	E30-323ti	Wed, 23 July 2003 03:11
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 03:20
	Re: Knock Sensor Circuit Design ...	E30-323ti	Wed, 23 July 2003 03:34
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 23 July 2003 03:40
	Re: Knock Sensor Circuit Design ...	ed_ma61	Wed, 30 July 2003 11:48
	Re: Knock Sensor Circuit Design ...	-Mark-	Wed, 30 July 2003 13:22

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