Andrew FergusonI just wanted to show some interference fringes using both the following:
1: The Si5351 as the oscillator - driving the ultrasound transmitter.
2: The single transistor amplifier (described in the previous log entry) amplifying the receiver signal, before envelope detection.
I think it is pretty awesome that these are interference fringes of sound and we are seeing up to about the 54th maxima.
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