// RF Theory
RF Theory
Clear, concise theory guides for RF engineers — transmission lines, noise, filters, mixers, amplifiers, and S-parameter theory.
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Transmission Line Theory
Telegrapher's equations · reflections
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Impedance & Matching
L, Pi, T networks · Smith chart
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Noise in RF Systems
Thermal noise · NF · dynamic range
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RF Filter Theory
Butterworth · Chebyshev · Elliptic
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Mixers & Modulators
Conversion loss · IF/RF/LO · spurs
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RF Amplifier Theory
Gain · stability · P1dB · IP3
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S-Parameter Theory
Matrix · ports · reciprocity