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1. [RTTY] FT1000 and optoisolators for PTT and FSK. (score: 1): Author: faunt at panix.com (Doug Faunt N6TQS +1-510-655-8604); Date: Fri Jun 20 22:14:00 2003; I've been cogitating on this for a bit. I've now had it pointed out that a 4N25-type optoisolator should pull the PTT and FSK lines down closer to ground thn a 4N33-type. The difference is a simple t; /archives//html/RTTY/2003-06/msg00151.html (7,048 bytes)

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