Alt-BEAM Archive
Message #12867
To: "'beam@sgiblab.sgi.com'" beam@sgiblab.sgi.com
From: Wilf Rigter Wilf.Rigter@powertech.bc.ca
Date: Fri, 31 Mar 2000 14:59:06 -0800
Subject: [alt-beam] SIMD1V2/LEDPump schematic
Oops, finger trouble: here is the schematic
enjoy
wilf
<>
> -----Original Message-----
> From: Wilf Rigter [SMTP:Wilf.Rigter@powertech.bc.ca]
> Sent: Thursday, March 30, 2000 7:29 PM
> To: beam@sgiblab.sgi.com
> Subject: RE: SIMD1/LEDPump Problems
>
>
> > Hi Roy,
> >
> > Since we looked at solving your SIM1D1 problems in my earlier post, I
> > wondered if the design could be made any simpler. Lo and behold SIMD1V2
> > which uses one less component and doesn't require very dark conditions
> to
> > turn on. The two 1N914 diodes in the earlier SIMD1 design can be
> replaced
> > with a single transistor (ie the two diode junctions) but in the
> process,
> > this revision it has really enhanced the behaviour.
Attachment: SIMD1V2.gif
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