Constant current source

Design a circuit diagram for Constant Current Source of 800ua

by Sudharsan_Siddareddy_369
March 02, 2024

You can use a current mirror circuit with MOSFET. See as example.

by vanderghast
March 03, 2024

There is a problem with the previous link syntax. Here is the link:

by vanderghast
March 03, 2024

And the article uses an alternate symbole for NMOS. They are indeed NMOS.

I suggest that you use a multi-turn potentiometer for Rset, so you can adjust it to get the wanted $$ I_{bias} = 800 \mu A$$

by vanderghast
March 03, 2024

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