Comment by nicolaslem

10 days ago

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...