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In Reply to: Constant current source vs. resistor. Differences? posted by groman on January 7, 2002 at 08:44:56:
Hi gronam,
The answer is better CMRR with the active constant current source. CMRR is short for Common Mode Rejection Ratio.
You can even go as far as Peufeu in France and cascode this current source again to cancel thermal distortion and the Early effect.
Its all in the conjuring-box of tricks of the solid state engineer-magician!
ELSO
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Follow Ups
- Re: Constant current source vs. resistor. Differences? - Elso Kwak 01/7/0213:17:29 01/7/02 (4)
- you did not quite understand - groman 15:16:49 01/7/02 (3)
- Re: you did not quite understand - Elso Kwak 23:42:40 01/7/02 (2)
- Current >T1 at the same time as current >T2, can not... - groman 14:53:02 01/8/02 (1)
- Re: Current >T1 at the same time as current >T2, can not... - Elso Kwak 02:09:12 01/9/02 (0)