Can someone please explain this circuit?
Can someone please explain the attached circuit, Can output of this circuit be fed to the PIC?
It is of a microwave motion sensor and I found this circuit on the internet, I have ordered this sensor module and would like to get some groundwork done in understanding the working of this circuit.
My understanding is that this circuit amplifies the output from the sensor which is in few microvolts, but I would like to know what excatly does CW operation means, does it mean High/Low kind of output. Like High output when presence is there and Low when no movement is detected ?
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