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by version_five 994 days ago
To receive AM you just need a non linearity and the x^2 term iirc will do your rectification. So any element that electrically provides some kind of nonlinear behavior (ie is not a pure R, L, or C) should give some sort of modulation.
1 comments

(Sorry just rereading and I meant demodulation, autocorrect got it the first time)