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That may be one explanation, but more broadly with analog audio it is actually quite difficult NOT to end up with an AM receiver.


Hehe. That's a very good point.

Of course, if you want to build a proper AM receiver you will find that it is quite hard ;)

Same with oscillators and amplifiers. You always get the other one first.

Oh, and it is also very hard not to build a microphone. Except...


Yup, pretty much any nonlinearity will demodulate AM.




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