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The chapter delves into the frequency response of Common Emitter (CE) and Common Source (CS) amplifiers, specifically focusing on how the gain varies with frequency. It revisits the frequency response of RC and CR circuits to establish foundational concepts and connects them to the transfer functions crucial for analyzing amplifier behaviors. The significance of cut-off frequencies, pole-zero relationships, and Bode plots is also emphasized to help grasp amplifier design and analysis.
References
Lecture 35.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Frequency Response
Definition: Indicates how the output of a circuit responds to different input frequencies.
Term: Transfer Function
Definition: Mathematical representation of the output-to-input ratio of a system in the Laplace domain.
Term: Cutoff Frequency
Definition: The frequency at which the output amplitude starts to decrease significantly, marking the transition between pass and stop bands.
Term: Bode Plot
Definition: A graphical representation of the frequency response, plotted in decibels versus frequency, typically on a logarithmic scale.
Term: PoleZero Relationship
Definition: Describes how the poles and zeros of a transfer function affect the frequency response of the circuit.