DOPPLER_ULTRASOUND_TRANSMITTER

Published:2009/6/19 4:12:00 Author:May | From:SeekIC

The 2.25-MHz oscillator Q1 drives amplifier Q2 and XTAL1, an ultrasonic transducer. The trans-ducer is a lead zirconate-titanate type. Taps on T1 and T2 provide low-impedance drive points.



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