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From: "Daniel M"
Subject: Re: Buzzer/Inductor question
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Date: Tue, 08 Oct 2002 01:47:03 GMT
NNTP-Posting-Date: Mon, 07 Oct 2002 18:47:03 PDT
Organization: EarthLink Inc. -- http://www.EarthLink.net
Sorry, I was mistaken in the values. Yes this is how it is hooked up, but
instead of a 10uf cap it is a 10nf (.01uf).
It was in the documentation on the web but the processor is End Of Life and
the documentation is not on the web anymore. I have requested another copy
from the MFG.
Ok so with the new value, any theories?? Thanks.
"Tom Faloon" wrote in message
> You are right. This circuit does not make sense.
> The 10uF to Vcc would kill any signal fed through the 0.1uF.
> Is the circuit given in a document which is available on the web ?
> Tom Faloon
> Daniel M wrote in message
> > I have a question about a buzzer circuit i am working on. I have a CPU
> > has a buzzer output to drive a simple buzzer. I dont understand the
> > circuit and wanted to know if someone can explain it....
> > It runs from the CPU output, through a .1uf cap to a buzzer/inductor.
> > other side of the buzzer is tied to ground. The buzzer side of the cap
> > 10k pulldown to ground and a 10uf cap to VCC.
> > Ok i can possibly see the series cap and pulldown being sometime of RC
> > filter for the buzzer but the cap to VCC has got me stumpped. Am i wrong
> > this? what is the other cap for? any explinations? Thanks.
> > Daniel.
> > email@example.com
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