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Q&A

Posts tagged current-mirror

Synonyms: current-mirrors

Subtag of current-source · 1 child tag

Anything related to current mirror circuits.

A current mirror is a particular kind of current source whose output is accurately proportional to some reference current. It can also be seen as a practical implementation of a current-controlled current-source of circuit theory.

This tag doesn't have a detailed wiki yet.

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Q&A Is a BJT 3-transistor Wilson mirror faster than a simple mirror?

My question is trying to understand if there is an effect on the switching time, on both turn-on and turn-off, between the following configurations. A mirror set up to switch a current, and there ...

1 answer  ·  posted 3y ago by Pete W‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Is a current-dependent current source and a current mirror the same thing?

I have a 4-20 mA digital air pressure regulator which is controlled by and reports its pressure by being the current sink in two independent 4-20 mA current loops. Our control system utilizes Anal...

1 answer  ·  posted 12mo ago by JYelton‭  ·  last activity 12mo ago by Olin Lathrop‭

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Q&A Help with differential to single ended voltage converter

Hello I don't understand how this differential to single-ended voltage converter can work. What I don't understand is why we place a current mirror(a current mirror copies the current flowing thr...

3 answers  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by Circuit fantasist‭