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A comment on Germanium transistors: logic circuits in the IBM 1401 computer. Parent comment

Re:Germanium transistors: logic circuits in the IBM 1401 com... by kens on Wednesday March 03, 2021 @03:01PM (#26333610)
That's an interesting question. Looking at the documentation the NPN card (CHWW) and the PNP card (CGWW) have different switching characteristics (NPN is faster on and slower off). But I haven't noticed any difference in usage patterns.
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