relay isolation circuit of DTL

Published:2011/6/15 7:16:00 Author:chopper | Keyword: relay, isolation circuit, DTL | From:SeekIC

In this circuit,geminate transistors can counteract and prevent from generating natural current.When DTL logical cicuit outputs 1 ,Q1 will be conducted and LED is no current.Q2 will close,relay K1 will sotp running.When the DTL outputs 0 ,Q1 will close,and there is current through LED.Q2 will be conducted,K1 wil run.Action time is relative to mechanical response characteristic of relay.



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