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Ch 4 |
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5. Impedance Matching.
By David Knight and Nigel Williams.
Contents
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Part 1: Basic principles. Z-plane
operations. Series reactance and resistance. Parallel impedance.
Admittance, conductance, and susceptance. The equation of a circle.
Parallel Resistance (constant susceptance). Parallel reactance
(constant conductance). Transformers ('constant' phase). Impedance
matching strategies. Z-plane regions. Part 2: Popular matching networks. The Pi-network. Fully variable Pi-match. L-match. Switched inductor Pi-match. Tapped inductor with interpolation capacitor. T-match. Reciprocal L-network. Switched inductor T-match. Differential-T match. "Ultimate" Transmatch? SPC Transmatch. Part 3: L-network solutions. Overview. Idealised network solutions. Component range calculations. Lossy networks. Efficiency. Minimising losses. References. Appendix: A5.1 MFJ989C Versatuner modifications.  |
© D W Knight 2004 - 2009. © N Williams. 1983 and 2005.
David Knight and Nigel Williams assert their right to be recognised as the authors of this work.
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Ch 4 |
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