IONIZATION_CHAMBER_SMOKE_DETECTOR

Published:2009/6/24 21:15:00 Author:Jessie | From:SeekIC

Battery-operated, ionization chamber smoke detector includes a circuit to generate a unique alarm when the battery reaches the end of its useful life. The circuit uses the MCMOS MC14572 for two alarm oscillators (smoke and low battery). This circuit additionally uses five discrete transistors as buffers and comparators.



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