Dear varunkant2k
Hi
No in fact it is a ultra constant current source . if you use a series transistor with the zener and load. and it can provide very accurate current .you can see that in some specific instrumentation applications.
But i tested it. and many circuit can be based on that.
Regards
Goldsmith
---------- Post added 04-01-12 at 00:01 ---------- Previous post was 03-01-12 at 23:58 ----------
Dear erikl
Hi
I think , your circuit is temperature dependent . my mean is that , if the temp become change , according to the tolerance of resistors , the current will change , because , this current is very low. but i think it is possible to use 0 percent tolerance resistors but it will be expensive .
Best Regards
Goldsmith