What This Document Is
This material comprises lecture notes from an Introduction to Microelectromechanical Systems (MEMS) course (ELENG 247A) at the University of California, Berkeley. Specifically, this set of notes focuses on the crucial role of data converters within MEMS and broader electronic systems. It delves into the fundamental principles governing the transformation of signals between the analog and digital domains – a cornerstone of modern sensor interfaces and signal processing. These notes represent a core component of the course’s exploration of system-level design considerations for MEMS devices.
Why This Document Matters
Students enrolled in introductory MEMS courses, or those with a background in electrical engineering seeking to understand analog/digital interfaces, will find these lecture materials exceptionally valuable. It’s particularly useful when studying signal conditioning, sensor readout techniques, and the integration of MEMS elements into larger systems. Professionals working on mixed-signal circuit design or system architecture involving sensors and data acquisition will also benefit from a review of these foundational concepts. Accessing the full content will provide a deeper understanding needed for successful project work and exam preparation.
Topics Covered
* Fundamental concepts of data conversion (Analog-to-Digital & Digital-to-Analog)
* Applications of data converters in various systems, including wireless communication and instrumentation.
* Key characteristics defining data converter performance.
* Sampling theory and its implications for accurate signal representation.
* Quantization and its impact on signal fidelity.
* Error sources in data converters and methods for analysis.
* Considerations for integrating data converters into larger systems, particularly regarding power consumption and noise.
What This Document Provides
* An overview of the essential role data converters play in interfacing the analog world with digital processing systems.
* A discussion of the trade-offs involved in selecting appropriate data converter architectures.
* Illustrative examples demonstrating the principles of digital-to-analog and analog-to-digital conversion.
* A framework for understanding the key performance metrics used to evaluate data converters.
* Contextualization of data converter concepts within the broader field of MEMS and mixed-signal system design.
