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'[PICLIST] EG&G Vactec IRPD VTR24F1'
2001\03\30@005007 by Brian Reed

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I found the egginc.com site but no details about this EG&G Vactec
VTR24F1 IR emitter/detector.  Would like to know the electrical
characteristics of the internal LED and photo transistor.  Any
pointers to Vactec?  vactecinc.com doesn't look like the right co.

- Bri
.

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2001\03\30@040420 by Roman Black

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Brian Reed wrote:
>
> I found the egginc.com site but no details about this EG&G Vactec
> VTR24F1 IR emitter/detector.  Would like to know the electrical
> characteristics of the internal LED and photo transistor.  Any
> pointers to Vactec?  vactecinc.com doesn't look like the right co.


Brian, I have worked with many IR pairs from
VCRs, they are all very similar. Try running the
LED at 8mA, it should be about 1.1v Vf.
Connect the receiver diode anode to GND, and
it's cathode to +5v through a 2k2 resistor.
You can then connect the cathode directly to
a logic level input pin.

Changing the value of the 2k2 resistor will give
simple sensitivity adjust. This will give decent
on/off performance, if you want to use it for
analog value detection it gets more complex.
:o)
-Roman

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2001\03\30@044909 by mike

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On Fri, 30 Mar 2001 00:45:19 -0500, you wrote:

>I found the egginc.com site but no details about this EG&G Vactec
>VTR24F1 IR emitter/detector.  Would like to know the electrical
>characteristics of the internal LED and photo transistor.  Any
>pointers to Vactec?  vactecinc.com doesn't look like the right co.
>
>- Bri
>.
Some of EG&G, maybe this part, is now Perkin-Elmer.
http://www.perkinelmer.com I think

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2001\03\30@181414 by Harold M Hallikainen

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Vactec is now owned by PerkinElmer Optoelectronics. I don't believe their
website has any data on the Vactec devices. They sent me a CD-ROM
catalog. I've sent Bri a copy of the datasheet of that page off list.
Clairex (http://www.clairex.com) makes devices similar to Vactec.

Harold

On Fri, 30 Mar 2001 00:45:19 -0500 Brian Reed <spam_OUTpiclistTakeThisOuTspamREEDONLINE.COM>
writes:
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FCC Rules Online at http://hallikainen.com/FccRules
Lighting control for theatre and television at http://www.dovesystems.com

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2001\03\30@203728 by Brian Reed

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>I've sent Bri a copy of the datasheet of that page off list

Msg received - thanks Harold!

- Bri


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