Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
electronics
.
Show all posts
Showing posts with label
electronics
.
Show all posts
Strange chip: Teardown of a vintage IBM token ring controller
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IBM used some unusual techniques in its integrated circuits, and one of the most visible is packaging them in square metal cans. I've ...
6 comments:
Teardown of a quartz crystal oscillator and the tiny IC inside
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The quartz oscillator is an important electronic circuit, providing highly-accurate timing signals at a low cost. A quartz crystal has the...
11 comments:
IBM paperweight teardown: Reverse-engineering 1970s memory chips
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I recently received a vintage IBM paperweight from the early 1970s that showcases some memory chips. 1 When IBM started using integrated ...
8 comments:
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