How Can I Actively Control Current to Diodes Without Voltage Bias?

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To actively control current to diodes without voltage bias, a user seeks alternatives to a passive thermistor-based network, which is inadequate for temperature variations. The current source ranges from 5µA to 270µA, and the user is exploring options for integrating active digital components. Suggestions include utilizing current mirrors or programmable current sources to achieve better control over the diodes. The discussion emphasizes the need for a more effective solution to manage current dynamically. Exploring integrated circuit design techniques could provide the necessary advancements.
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what can i do with a current source from 5ua to 270ua if i want some sort of active digital components
 
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lennybogzy said:
what can i do with a current source from 5ua to 270ua if i want some sort of active digital components

Could you please give more details about what you are wanting to do? What is the context of your question? IC design, circuit design, system design? What is your "current source"?
 
system provides the current in a "this is all you get" sort of way and no voltage bias. I want to be able to actively control current to some diodes over temperature. Currently this is accomplished passively through the use of a thermistor based network, and it sucks!

There's got to be a better way
 
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