Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Glowing mercury thyratrons: inside a 1940s Teletype switching power supply
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We recently started restoring a Teletype Model 19, a Navy communication system introduced in the 1940s. 14 This Teletype was powered by a b...
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Inside the die of Intel's 8087 coprocessor chip, root of modern floating point
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Looking inside the Intel 8087, an early floating point chip, I noticed an interesting feature on the die: the substrate bias generation circ...
12 comments:
Silicon die analysis: inside an op amp with interesting "butterfly" transistors
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Some integrated circuits have very interesting dies under a microscope, like the chip below with designs that look kind of like butterflies....
15 comments:
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