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constant current source

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divyasasi

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i just want to design a constant current source(0-4mA). pls help me.
 

Hi,
refer to figures 34/38 pls...
K.
 

@divyasasi

Find an example in pspice attached. It will explain you CCS practically
 

Hi divyasasi,
betrayal some details pls!?
did you need a fixed current/voltage controlled or onle divere setted/adjusted values, & how is the supply voltage...
K.

Added after 29 minutes:

Current source w. floating load, www.ecircuitcenter.com/Circuits/curr_src1/curr_src1.htm
And a EDN circuit with up to +/- 1.2V contolled up to +/- 6mA...
K.
 

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