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HIGH_COMPLIANCE_CURRENT_SOURCE

2015-03-16 20:07  
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HIGH_COMPLIANCE_CURRENT_SOURCE
Non-inverting input of LM143 high-voltage opamp senses current through R4 to establish output current that is proportional to input voltage. With ±38 V supply, compliance of current source is ±28V. - Linear Applications, Vol. 2, National Semiconductor, Santa Clara, CA,1976, AN-127,p3.