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'[EE] Led Regulation'
2008\07\18@124527 by joseph

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part 1 1192 bytes content-type:text/plain; charset=iso-8859-1 (decoded quoted-printable)


Here's a circuit (attached) for a superregen FM reciever that uses the
TL431 as an audio amp.

Regards,

Joe


Original Message:
-----------------
From: Dr Skip spam_OUTdrskipTakeThisOuTspamgmail.com
Date: Fri, 18 Jul 2008 12:07:53 -0400
To: .....piclistKILLspamspam@spam@mit.edu
Subject: Re: [EE] Led "Regulation"


Got a circuit? While I can understand the principal of the thing, I'm
having trouble getting my mind around more creative uses for it... :(

Joe Bento wrote:
> The advantage is the voltage can be set from about 2 - 36 volts.  The > datasheet calls it programmable, yet the voltage is set by a resistive > voltage divider not unlike linear 3-terminal regulators.  These little > beasties actually make a nifty audio amp as well, directly driving an 8 > ohm speaker or headset.
> > Joe
> -- http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist


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2008\07\18@124605 by joseph

face
flavicon
face
part 1 1177 bytes content-type:text/plain; charset=iso-8859-1 (decoded quoted-printable)


Here's a circuit (attached) for a superregen FM reciever that uses the
TL431 as an audio amp.

Regards,

Joe


Original Message:
-----------------
From: Dr Skip drskipspamKILLspamgmail.com
Date: Fri, 18 Jul 2008 12:07:53 -0400
To: .....piclistKILLspamspam.....mit.edu
Subject: Re: [EE] Led "Regulation"


Got a circuit? While I can understand the principal of the thing, I'm
having trouble getting my mind around more creative uses for it... :(

Joe Bento wrote:
> The advantage is the voltage can be set from about 2 - 36 volts.  The > datasheet calls it programmable, yet the voltage is set by a resistive > voltage divider not unlike linear 3-terminal regulators.  These little > beasties actually make a nifty audio amp as well, directly driving an 8 > ohm speaker or headset.
> > Joe
> -- http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist


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part 2 12767 bytes content-type:image/gif; name="fm-receivers-by-tl431-2n4416.gif" (decode)


part 3 35 bytes content-type:text/plain; charset="us-ascii"
(decoded 7bit)

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