40KHz Ultrasound Receiver

Published:2012/9/10 20:46:00 Author:Ecco | Keyword: 40KHz , Ultrasound Receiver | From:SeekIC

A X100 transistor amplifier is followed by a zero cross detector circuit, using a voltage comparator. The output is a TTL logic signal, corresponding to the received 40KHz signal. Source: discovercircuits



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