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Self-Sustained Oscillator Design

Activity Description:

A Wien bridge oscillator circuit built using an op amp is used to develop a comprehensive understanding of the fundamental principles of self-sustained oscillation, including important general concepts from nonlinear dynamics.

Downloadable Resource:

Wien Bridge Oscillator Lab format_pdf

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Level: Upper division undergraduate to graduate

Relevant Phys21 Area(s):
Physics-Specific Knowledge, Scientific and Technical Skills

Learning Objectives: This is an advanced technical competency aimed at gaining proficiency in a variety of analytical, numerical, and experimental tools required for the design electronic oscillators and for applying the underlying principles to research and innovation projects.

Duration:
12 hours of lab time plus 12 hours of study and numerical investigation

Target Audience:
Upper division undergraduates, graduate students, and working professionals seeking cross-training to support innovation work.

Suggested context for implementation:
An advanced upper division lab course or independent study with access to electronics prototyping and test equipment including power supplies, digital multimeters, and a 50 MHz two channel digital sampling oscilloscope