What This Document Is
This document contains lecture notes from ELENG 105, Microelectronic Devices and Circuits, at the University of California, Berkeley. Specifically, it covers Lecture 24 of the course, focusing on advanced amplifier configurations and design techniques. These notes represent a core component of the course’s exploration into analog circuit design principles. The material builds upon previous lectures concerning single-stage amplifiers and introduces more complex multi-stage approaches.
Why This Document Matters
These lecture notes are invaluable for students currently enrolled in a similar microelectronics course, or those reviewing fundamental analog design concepts. They are particularly helpful for understanding how to improve amplifier performance through strategic circuit topologies. Students preparing for exams, working on related assignments, or seeking a deeper understanding of practical amplifier design will find this resource beneficial. Access to the full content will allow for a comprehensive grasp of the subject matter.
Topics Covered
* Multi-stage amplifier design principles
* Cascode amplifier configurations (including variations)
* Current source design and implementation
* Impact of device dimensions and bias voltages on amplifier characteristics
* Analysis of output resistance in cascaded circuits
* Miller capacitance and its effect on amplifier performance
* Two-port network models for amplifier stages
What This Document Provides
* Detailed diagrams illustrating various amplifier topologies.
* Conceptual explanations of key circuit configurations.
* Discussions on the advantages and disadvantages of different design choices.
* Illustrative examples of how to approach amplifier design challenges.
* A foundation for understanding more advanced analog circuit concepts.
* A focused exploration of the cascode configuration and its importance.
