| Subject: | [TRLog] Opto Iso Keying |
|---|---|
| From: | punkymcd@pacbell.net (punkymcd@pacbell.net) |
| Date: | Tue, 03 Aug 1999 20:31:25 -0700 |
Hi, Can anyone give me a good reason for the diode in series with the LED in this circuit? It looks like a diode in series with another diode (LED) to me. 73, Don, W6OA -- FAQ on WWW: http://www.contesting.com/trlogfaq.html Submissions: trlog@contesting.com Administrative requests: trlog-REQUEST@contesting.com Problems: owner-trlog@contesting.com Feature Wishlist: http://web.jzap.com/n6tr/trwish.html |
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