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The chapter focuses on current mirror circuits, explaining both BJT and MOSFET versions and their output characteristics. It discusses the expressions for output current and resistance, highlighting the importance of maintaining transistors in saturation for optimal performance. Additionally, the chapter covers strategies for improving output resistance, including the use of cascode techniques to minimize dependency on voltage variations.
Chapter 98 sections
The chapter focuses on current mirror circuits, explaining both BJT and MOSFET versions and their output characteristics. It discusses the expressions for output current and resistance, highlighting the importance of maintaining transistors in saturation for optimal performance. Additionally, the chapter covers strategies for improving output resistance, including the use of cascode techniques to minimize dependency on voltage variations.
A circuit that produces an output current proportional to an input reference current, typically used in analog electronic circuits.
The resistance seen by the load at the output of a current mirror, impacting its ability to provide a constant current despite voltage variations.
A configuration that improves the output resistance of a current mirror by stacking transistors, which helps to isolate the output from the input variations.
Total Questions
2
Estimated Time
4 min
Passing Score
70%
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