Alt-BEAM Archive
Message #00966
To: "Robert McIntosh" robmc@acay.com.au, beam@corp.sgi.com
From: "Hendrickson" hannah@nanospace.com
Date: Wed, 24 Feb 1999 18:27:01 -0800
Subject: [alt-beam] Re: Cadmium Sulphide Photocells.....
LDRs have a significantly slower response time compared to PDs, by up to a
second or so. Photodiodes are resistive when reverse biased.
Brian
beamboter@iname.com
www.welcome.to/briansbeam
"There isn't much thrill in success
unless one has first come close to failure"- W. Feather
>What do you mean 'memory effect'?
>Aren't photodiodes photovoltaic? Light dependant resistors aren't
>Rob.
>
>
>
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