SymExp2

Description: Invented by Shin´ya Morita in the 70's when he was a high school student.
Reinvented by Osamu Hoshuyama in March 2000

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control voltage

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Files

symexp2.gif
	Schematics for the symmetrical exponential current sources

Manufacturers

Osamu Hoshuyama
	houshu@muj.biglobe.ne.jp

Parts used

2N3904
	NPN switching transistor

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