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 skillsβperfect for learners of all ages.
The chapter discusses linear models of amplifiers, focusing on voltage, current, trans-conductance, and trans-impedance amplifiers. It provides a detailed explanation of how these models simplify circuit analysis by capturing relationships between input and output signals. Key elements of amplifier models include voltage gain, input resistance, and output resistance, with application to cascading multiple amplifier stages to enhance overall circuit performance.
22.1.6
Input To Output Signal Relationship
This section explores the fundamental relationship between input and output signals in linear amplifier models, specifically voltage amplifiers. It emphasizes how small signal variations impact the overall output while keeping DC conditions constant.
References
Lecture 22.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Voltage Amplifier
Definition: A linear circuit that provides a relationship between the small signal input and the small signal output.
Term: Voltage Gain
Definition: The ratio of output voltage to input voltage in an amplifier, representing how much the amplifier increases the input signal.
Term: Loading Effect
Definition: The impact of connecting a load to the output of an amplifier which can change the output voltage depending on the load's resistance.
Term: Input and Output Resistance
Definition: Parameters that affect the voltage seen by the amplifier, reflecting how the circuit interacts with the source and load resistances.