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Subject: usage of combined type ultrasonic sensors
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Date: 05/17/01 at 7:19 AM
Posted by: Peter Bozzay
I should make ultrasonic range finder
with _combined_type_ sensor (which can use
for both transmitter and receiver in one,
like some Murata and Polaroid types).
How can switch between the relative high level
transmit signal and low level receive signal
to the same sensor in minimal time,
with minimal transients?
The sensor runs at 40kHz,
the self-capacitance approx. 2400pF
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