92. Feedback system (Part-C)
The chapter focuses on the interaction between input and output resistance in feedback systems. It discusses various configurations and their impact on the overall resistance values, including how these resistances can be influenced by load conditions and feedback loops. Key mathematical relationships are derived to explain these connections in detail.
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What we have learnt
- Input resistance is affected by feedback configurations and load conditions.
- Output resistance can also change due to different feedback mechanisms.
- Understanding the relationship between input and output resistance is crucial for designing effective electronic circuits.
Key Concepts
- -- Input Resistance
- The resistance perceived by an input signal in a circuit, influenced by feedback and load impedance.
- -- Output Resistance
- The resistance seen from the output of a circuit, which can vary based on feedback design and input conditions.
- -- Transimpedance
- The relationship between the output voltage and input current in feedback systems, often manipulated to achieve desired gains.
- -- Feedback
- The process of returning a portion of the output to the input of a system to control its response.
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