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The chapter focuses on multi-transistor amplifiers, specifically discussing the common source amplifier and its cascading with the common drain stage to improve bandwidth and overall performance. Key numerical examples highlight calculations of voltage gain and upper cutoff frequency, emphasizing the use of transistor configurations to enhance amplifier characteristics. The importance of input resistance in circuit design is also addressed, illustrating how cascading stages can significantly affect performance metrics.
References
Lecture 59.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Common Source Amplifier
Definition: An amplifier configuration that provides voltage gain and is used in various electronic circuits.
Term: Common Drain Stage
Definition: Also known as source follower, this configuration is used to buffer signals with high input resistance and low output resistance.
Term: Upper Cutoff Frequency
Definition: The frequency at which the gain of the amplifier begins to decrease, affecting bandwidth.
Term: Cascading Stages
Definition: Connecting multiple amplifier stages to enhance performance characteristics like gain and bandwidth.