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Now and again day-to-day life just drives me to do something stupid, if only for the sake of variety. This is a chore I have procrastinated for ten or fifteen years, maybe more. I'll guess that this wiring diagram for the traditional analog "Tweety Bird" noise toy has made the rounds over the last few decades. The CA3046 chip shown has been discontinued for a while. It's the most primitive integrated circuit you'll find. Only contains five NPN transistors. That's all. Two of them are connected together at the emitter, called a differential pair. I'm pretty sure this wiring diagram is...
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