What This Document Is
These are lecture notes from ELENG 105: Microelectronic Devices and Circuits at UC Berkeley, specifically covering Lecture 19. The notes detail concepts related to circuit analysis in the frequency domain and delve into the characteristics of MOSFETs. This resource is designed to supplement classroom learning and provide a focused record of the material presented during the lecture. It bridges theoretical understanding with practical applications within the field of microelectronics.
Why This Document Matters
This material is essential for students enrolled in microelectronics courses, particularly those focusing on analog circuit design and analysis. It’s most beneficial when used in conjunction with textbook readings and homework assignments. Students preparing for quizzes or exams on frequency response and MOSFET behavior will find these notes a valuable resource for review and clarification. Understanding these concepts is foundational for more advanced work in integrated circuit design and related engineering disciplines.
Topics Covered
* Second-order circuit analysis using phasor techniques
* Impedance calculations and analysis in AC circuits
* Characteristics and modeling of MOSFETs
* Analysis of resonant circuits, including quality factor (Q)
* Frequency response of circuits, including magnitude and phase plots
* Application of circuit concepts to real-world devices like thin-film bulk acoustic resonators (FBARs)
* Considerations for DC bias in amplifier circuits
What This Document Provides
* A structured overview of key concepts presented in Lecture 19.
* Visual aids and diagrams illustrating circuit configurations and analysis techniques.
* Definitions of important parameters used in circuit analysis.
* Discussion of limiting cases for resonant circuit behavior.
* Exploration of the relationship between circuit components and frequency response.
* Insights into the behavior of common source amplifiers.
* Examination of the unity gain frequency of MOSFETs and its relation to device characteristics.
