First-Order RC/RL Filters

Inside this lesson

Derive the transfer functions for RC and RL low-pass and high-pass filters
Identify the corner frequency ωc for each filter topology
Sketch Bode magnitude asymptotes for first-order filters
Compute filter gain at specific frequencies using the normalized transfer function

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Educational content covering topics typical of a first- and second-year electrical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real circuit or system design without review by a licensed professional engineer.