File:CurrentSwitchLogic.svg

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CurrentSwitchLogic.svg‎ (SVG file, nominally 1,052 × 744 pixels, file size: 132 KB)

[edit] Summary

Description	CurrentSwitchLogic.svg Yourke's current switch logic c. 1955. After Rymaszewski et al. (1981). "Semiconductor Logic Technology in IBM." IBM J. Res. Develop. 25, 608.
Date	27 August 2007(2007-08-27)
Source	Own work
Author	Gerry Ashton
Permission (Reusing this image)	See below.

[edit] Licensing

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:52, 29 August 2007		1,052×744 (132 KB)	Gerry Ashton (Talk \| contribs)	(Adjust negation bar above F=A+B)
	20:09, 28 August 2007		1,052×744 (132 KB)	Gerry Ashton (Talk \| contribs)	(Correction to label on output of first stage.)
	19:48, 28 August 2007		1,052×744 (132 KB)	Gerry Ashton (Talk \| contribs)	(Line length correction)
	19:44, 28 August 2007		1,052×744 (132 KB)	Gerry Ashton (Talk \| contribs)	(Minor aesthetic improvements.)
	23:34, 27 August 2007		1,052×744 (132 KB)	Gerry Ashton (Talk \| contribs)	(Correct transistors in right hand side; change NPN to PNP.)
	22:26, 27 August 2007		1,052×744 (100 KB)	Gerry Ashton (Talk \| contribs)	(Yourke's Current Switch circuit c. 1955.)
	15:10, 27 August 2007		1,052×744 (99 KB)	Gerry Ashton (Talk \| contribs)	({{Information \|Description= \|Source=self-made \|Date=2007-08-27 \|Author= Gerry Ashton }} )