What This Document Is
This is a detailed laboratory experiment guide for Microelectronic Devices and Circuits (ELENG 105) at the University of California, Berkeley. Specifically, it focuses on the analysis of amplifier frequency response – a critical concept in understanding how circuits behave with alternating current (AC) signals. The experiment centers around a common emitter amplifier configuration and utilizes specialized software for precise measurements. It’s designed to be used in conjunction with hands-on lab work, providing a structured approach to investigating circuit behavior.
Why This Document Matters
This guide is essential for students enrolled in ELENG 105 who are seeking to solidify their understanding of amplifier characteristics and the impact of frequency on circuit performance. It’s particularly valuable when preparing for and completing Experiment 7, offering a roadmap for successful data acquisition and analysis. Students will benefit from this resource as they learn to bridge theoretical knowledge with practical application, developing skills in circuit analysis and measurement techniques. It’s best used *during* the lab session and when preparing the associated lab report.
Topics Covered
* Bipolar Junction Transistor (BJT) Amplifier Analysis
* Frequency Response Characteristics
* Common Emitter Amplifier Configuration
* Bode Plot Analysis
* Parasitic Capacitances in Transistors
* Small-Signal Analysis
* Impact of External Loads on Frequency Response
* Measurement Techniques using Oscilloscopes and Specialized Software
What This Document Provides
* A detailed experimental procedure for characterizing the frequency response of a common emitter amplifier.
* A list of required components for the experiment.
* Guidance on utilizing National Instrument Bode Analyzer software for automated measurements.
* Instructions for setting up and using laboratory equipment, including function generators and oscilloscopes.
* A framework for interpreting and analyzing experimental results, including identifying key parameters like gain and pole frequency.
* Preparation for reporting experimental findings and drawing conclusions about circuit behavior.