Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Reverse-engineering the LM185 voltage reference chip and its bandgap reference
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Many circuits, such as a computer power supply or a phone charger, require a stable voltage reference, but it's harder than you might e...
7 comments:
Reverse-engineering a mysterious Univac computer board
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The IBM 1401 team at the Computer History Museum accumulates a lot of mystery components from donations and other sources. While going thr...
25 comments:
Inside the Apple-1's shift-register memory
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Apple's first product was the Apple-1 computer, introduced exactly 46 years ago, on April 11, 1976. This early microcomputer used an ...
12 comments:
Inside the Apple-1's unusual MOS clock driver chip
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Apple's first product was the Apple-1 computer, introduced in 1976. This early microcomputer used an unusual type of storage for its ...
12 comments:
Reverse-engineering the waveform generator in a 1969 breadboard
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How hard could it be to fix a vintage solderless breadboard that doesn't quite work? The "elite 2 circuit design test system...
12 comments:
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