Circuit Analysis and Design

6 weeks · 0 milestones

Design a real electronic circuit for a specific purpose and document the design with analysis. The circuit must be non-trivial — at minimum an active circuit with at least one transistor or op-amp stage, or a passive filter with defined frequency response specifications. Required documentation: a complete schematic with all component values and part references, DC operating point analysis showing all node voltages and branch currents, AC analysis or transient simulation demonstrating the circuit meets its specification, component selection rationale for at least 3 key components (with alternatives considered), and a tolerance analysis identifying which component tolerances most affect performance. Preferred proof: a physically built circuit with oscilloscope or multimeter measurements demonstrating the circuit meets specification. Accessible alternative: LTspice simulation (free, Windows and Mac) or Falstad Circuit Simulator (browser-based, no install required) with documented simulation results and methodology. Proof artifacts: the schematic and component selection (design artifact) and the simulation or measurement results (analysis artifact). Verification: an electrical engineer reviews the design — 'what happens to your output voltage if this supply varies by ±10%?' — requiring you to reason from your own circuit analysis.

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