Acoustic Interferometer
The projects goal is to design an interferometer which could detect angular position of an unltrasonic source in water. Although all tests are not completed yet, it seems the design will work.
Step 1: Amplification
Prior to phase detection two signals received by piezo detectors are amplified and converted to square since the phase detector doesn't accept sines. Any quad rail2rail op-amps can be used. High slew rate and low noise ones are preferable. Used CD4046A to detect phase pulses, angles & directions.
Jun 08,2016
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