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How to build a on-chip envelope detector for OOK?

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DukeLeon

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Hi, I need a simple on-chip envelope detector for OOK demodulation. The frequency has already been down converted to 28MHz.
Thanks
 

What can be simpler than using one diode?
 

Some on chip OOK detectors are log amplifiers. It gives a much bigger dynamic range than a single diode would.
 

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