REMOTE_RINGER

Published:2009/7/10 23:24:00 Author:May | From:SeekIC

A telephone bell circuit usmg a Motorola MC34017 can be built from a few components. C1 and UI depend on the type of nng required.U1 C1 RingMC34017-1 1 000 pF 1 kHzMC34017-2 500 pF 2 kHZMC34017-3 2 000 pF 500 HzSelect the verslon of MC34017 and C1 from this table．



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