Electronic – Description of the first IC


I wonder what is the description of the first IC made by Kilby. The famous picture is shown in many websites, but I want to know what it is?!

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Best Answer

I believe it is a phase-shift oscillator that worked at about 1.3 MHz. Kilby first demonstrated a flip-flop built entirely with semiconductor elements, but it was not a monolithic part—it was assembled from individual elements.

The first IC was a phase-shift oscillator. From Kilby's own account:

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