For applications that require or desire a computer controlled variable current, the use of a digitally controlled potentiometer and a current mirror with degeneration provides a low cost solution. One ...

Few readers of this book will need to be introduced to the concept of the current mirror; it has become a familiar icon of modern analog design. Accordingly, we will deal only briefly with the ...

Over on his YouTube channel [Aaron Danner] explains biasing transistors with current sources in the 29th video of his Transistors Series. In this video, he shows how to replace a bias resistor (and ...