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Summary

Description Yourke's current switch logic c. 1955. After Rymaszewski et al. (1981). "Semiconductor Logic Technology in IBM." IBM J. Res. Develop. 25, 608.
Date
Source Own work
Author Gerry Ashton
Other versions Derivative works of this file:  ЭСЛ (переключатель тока).svg

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author name string: Gerry Ashton
URL: https://commons.wikimedia.org/wiki/user:Gerry_Ashton
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inception

27 August 2007

source of file

original creation by uploader

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checksum

4f5f1b5629374d39bcd9407a953ac64645db2ca4

determination method or standard: SHA-1

data size

135,177 byte

height

744 pixel

width

1,052 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current18:52, 29 August 2007Thumbnail for version as of 18:52, 29 August 20071,052 × 744 (132 KB)Gerry AshtonAdjust negation bar above F=A+B
20:09, 28 August 2007Thumbnail for version as of 20:09, 28 August 20071,052 × 744 (132 KB)Gerry AshtonCorrection to label on output of first stage.
19:48, 28 August 2007Thumbnail for version as of 19:48, 28 August 20071,052 × 744 (132 KB)Gerry AshtonLine length correction
19:44, 28 August 2007Thumbnail for version as of 19:44, 28 August 20071,052 × 744 (132 KB)Gerry AshtonMinor aesthetic improvements.
23:34, 27 August 2007Thumbnail for version as of 23:34, 27 August 20071,052 × 744 (132 KB)Gerry AshtonCorrect transistors in right hand side; change NPN to PNP.
22:26, 27 August 2007Thumbnail for version as of 22:26, 27 August 20071,052 × 744 (100 KB)Gerry AshtonYourke's Current Switch circuit c. 1955.
15:10, 27 August 2007Thumbnail for version as of 15:10, 27 August 20071,052 × 744 (99 KB)Gerry Ashton{{Information |Description= |Source=self-made |Date=2007-08-27 |Author= Gerry Ashton }}

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