What This Document Is
This document presents a lecture overview for the seventh session of an introductory course on Microelectromechanical Systems (MEMS), specifically focusing on filter design within the context of integrated circuits. It delves into the intricacies of continuous-time filters and techniques for precise frequency control, a critical aspect of MEMS device functionality. This overview provides a structured outline of the concepts discussed in the lecture, serving as a valuable companion to the full lecture materials.
Why This Document Matters
This resource is ideal for students enrolled in ELENG 247A at UC Berkeley, or anyone seeking a foundational understanding of analog filter design for MEMS applications. It’s particularly helpful for reviewing key concepts *before* or *after* a lecture, solidifying understanding, and preparing for related assignments or exams. Individuals working on projects involving sensor signal conditioning or integrated circuit design will also find this overview beneficial as a refresher on core principles. Accessing the full lecture content will unlock detailed explanations and practical insights.
Topics Covered
* Automatic on-chip filter tuning methods, including continuous and periodic approaches.
* The role of reference integrators in achieving accurate frequency locking.
* Continuous-time filter topologies, such as high-pass, band-pass, and low-pass filters.
* Implementation details of filters using op-amps with MOSFET components (C and RC).
* Gm-C filter design considerations.
* Techniques for frequency trimming, including fuse-based and automatic tuning methods.
* Potential issues related to loop stability and DC offset in Gm-cells.
What This Document Provides
* A concise summary of the previous lecture’s key takeaways.
* A structured outline of the topics covered in Lecture 7.
* Identification of critical areas for focused study within the lecture material.
* References to relevant academic literature for further exploration.
* An overview of the challenges and trade-offs involved in implementing robust filter designs.
