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From: Gary Tait
Subject: Re: digital SCR exist?
X-Newsreader: Forte Free Agent 1.92/32.572
Date: Sat, 16 Nov 2002 17:29:36 -0500
NNTP-Posting-Date: Sat, 16 Nov 2002 17:30:11 EST
Organization: WorldCom Canada Ltd. News Reader Service
On Sat, 16 Nov 2002 16:47:54 -0500, "David Jones"
>I finally figured out what I needed yesterday. it was a flip flop chip.
>because an input of 1 to it will cause it to continue to output a 1 even
>though the 1 was applied to the input for a fraction of a second. this is
>similar to what happens when the gate of an SCR is supplied a positive
>voltage. it continues to conduct.
>"David Jones" wrote in message
>> I need something that reacts to a the positive pulse of electricity from a
>> pin on my parallel port, just like an SCR would to a longer pulse of
>> electricity. I basically need to be able to turn a switch on with a logic
>> pulse. I tried using a triac but it wouldn't activate because the logic
>> pulse was too weak to do so. any suggestions?
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