20. Linearization of non - linear circuit containing MOSFET
This chapter focuses on the linearization of non-linear circuits involving MOSFETs, discussing the linearization of input-output transfer characteristics. It introduces the small signal equivalent circuit and model for MOSFETs, providing a method for analyzing such circuits more easily. Numerical examples illustrate how to apply these concepts for practical understanding.
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What we have learnt
- Linearization helps simplify the analysis of non-linear circuits, especially those involving MOSFETs.
- Small signal equivalent circuits provide a method for evaluating circuits with varying inputs effectively.
- Transfer characteristics can be approximated as linear around a quiescent point or operating point.
Key Concepts
- -- Linearization
- The process of approximating a non-linear function by a linear function near a specific point, typically to simplify analysis.
- -- Small Signal Model
- An equivalent circuit representation for analyzing the behavior of circuits when small variations occur around an operating point.
- -- Quiescent Point (Qpoint)
- The point representing the DC bias conditions in a transistor circuit, around which small-signal behavior is analyzed.
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