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Q&A

Posts tagged current-source

Synonyms: current-sources

1 child tag

Anything related to current source circuits, i.e. circuits whose output is a current which is either constant or whose value is controlled by another quantity in the circuit.

This tag doesn't have a detailed wiki yet.

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Q&A MOSFET drain current ringing in saturation region

I benchtested below 0.7A constant current source circuit and observed few cycles of oscillation on drain current. With the help of bode plot analysis , I have managed to reduce the oscillations on ...

2 answers  ·  posted 2mo ago by kadamrohan16‭  ·  last activity 1mo ago by Olin Lathrop‭

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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 9mo ago by Lorenzo Donati‭

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Q&A How can I fix this 4-20 mA current loop to source current that matches current sink on its input?

Building on a previous question about terminology, I am trying to arrive at a solution to connect a digital air pressure regulator that sinks current as part of its 4-20 mA current feedback loop to...

2 answers  ·  posted 1y ago by JYelton‭  ·  last activity 1y ago by Nick Alexeev‭

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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 1y ago by JYelton‭  ·  last activity 1y ago by Olin Lathrop‭

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Q&A DAC controlled high side current source.

I'm designing a high side current source that can be controlled with a Digital-to-analog and can source up to 100mA with voltage supply up to 36V. By high side I mean one side of load will be alwa...

1 answer  ·  posted 2y ago by DeadMouse‭  ·  last activity 2y 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 3y ago by MissMulan‭  ·  last activity 2y ago by Circuit fantasist‭