Constant Current Source article (Old)

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tvi

tvi

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Joined 2001
#1
Found this the otherday, thought it might be of interest.

As the article is from 1966 I hope its alright to post, if their is a proble, tell me and I will delete.

Constant-Current Circuits
PETER J. BAXANDALL
WIRELESS WORLD, DEC 1966

James
 

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#3
If you were one of the first to download Page1 & 2, I just updated page 2 as their was a minor error

<i>Z=R<sub>c1</sub> || R<sub>c2</sub>||R<sub>bb</sub>, where Rn is ...</i>
should have been:
<i>Z=R<sub>c1</sub> || R<sub>c2</sub>||R<sub>bb</sub>, where R<sub>bb</sub> is...</i>

Apologetically
James
 
#9
What CCS do you use, and what for? I see that Morsel is working on one to load an opamp. How's that one coming? That one's jfets, right? When you use one in a project, is it an afterthought? If not, is the main PCB designed with it, or is it a replacement for a resistor?

As I've said before, I've drawn a few. They all use BJTs. I print 'em by the dozen. I don't want to believe that my fascination (read: obsession) was a waste of time. Does anybody want to try a few?
 
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