TONE_RINGER_Ⅱ

Published:2009/7/6 20:47:00 Author:May | From:SeekIC

The XR-T8205 Tone Ringer is primarily intended as a replacement for the mechanical telephone bell. The device can be powered directly from telephone ac ringing voltage or from a separate dc supply. An adjustable trigger level is provided with an external resistor. The circuit is designed for nominal 15 volt operation.



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