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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

Question differential-amplifier voltage current-mirror BJT
#1: Initial revision by user avatar MissMulan‭ · 2021-06-24T17:45:39Z (almost 3 years ago) 
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 through one transistor to another transistor) and how is the output voltage affected by the input voltages.



![SeeMe](https://electrical.codidact.com/uploads/VKHZsdjusrG2Wjo5YBhJh47m)
differential-amplifier voltage current-mirror BJT