MICROWAVE_MOTION_DETECTOR

Published:2009/6/23 21:47:00 Author:Jessie | From:SeekIC

Operating at around 1.1 GHz, the detector senses field disturbance in the neighborhood of the antenna. The Doppler signal from detector D1 is amplified and drives a power MOSFET switch. The antenna is a short (2 to 3 ) length of wire.



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