Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsâperfect for learners of all ages.
Feedback configurations play a crucial role in the stability and performance of amplifiers, with various types including voltage sampling and series mixing. Understanding the characteristics and consequences of these configurations allows for optimal deployment in BJT and op-amp circuits. This chapter emphasizes the importance of selecting appropriate feedback networks to achieve desired circuit properties, including stabilization of gain and resistance.
References
Lecture 97.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Negative Feedback
Definition: A process in which a portion of the output signal of an amplifier is fed back to the input to improve stability and reduce gain.
Term: Feedback Factor (ÎČ)
Definition: A parameter that indicates the portion of the output signal that is fed back to the input in a feedback loop.
Term: Desensitization Factor
Definition: The factor by which the gain of an amplifier is reduced due to negative feedback, often expressed as (1 + ÎČA).
Term: BJT Amplifier
Definition: A type of amplifier that uses a Bipolar Junction Transistor (BJT) as the active component.
Term: OpAmp Configuration
Definition: A circuit configuration using an operational amplifier, typically for applications such as inverting, non-inverting, integrator, and differentiator circuits.