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How to make parametric speaker

Step 3Schematics

Schematics

Schematics is simmilar with Tx of amature HAM radio.Analog switch driven by crystal oscillator by 74HC04.This schematics is released under GPL. Please hack it.sorry, I can not upload large image.here is large schematicslarge schematics.

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Author:offbike125

I ride KTM125 on holiday. I like mountain. I like soldering. I like radio.