Topic
Smith chart
About: Smith chart is a research topic. Over the lifetime, 737 publications have been published within this topic receiving 8855 citations.
Papers published on a yearly basis
1 / 2
Papers
TL;DR: In this article, a simple theory based on the cavity model was developed to analyze microstrip antennas, and the theoretically predicted radiation patterns and impedance loci closely agree with those measured for many antennas of various shapes and dimensions investigated thus far.
Abstract: A simple theory based on the cavity model is developed to analyze microstrip antennas. Formulas for numerous canonical shapes are given. In general the theoretically predicted radiation patterns and impedance loci closely agree with those measured for many antennas of various shapes and dimensions investigated thus far. In fact, this theory enables the computation of both patterns and impedance loci with little effort. The input admittance locus generally follows a circle of nearly constant conductance, but its center is shifted to the inductive region in the Smith chart plot. Peculiar properties for the case with degenerate or slightly degenerate eigenvalues are discussed. An accurate formula for determining the resonant frequency of a rectangular microstrip antenna is also given.
949 citations
Book•
1 Jan 1998TL;DR: In this paper, the Smith chart and its applications are discussed, as well as computer-aided analysis of electromagnetic fields and their application in computer programs for various problems, such as computer aided analysis of static fields, waveguide and cavity resonators.
Abstract: Preface 1. Electromagnetic field theory 2. Vector analysis 3. Electrostatics 4. Steady electrical currents 5. Magnetostatics 6. Applications of static fields 7. Time-varying electromagnetic fields 8. Plane wave propagation 9. Transmission lines 10. Waveguides and cavity resonators 11. Antennas 12. Computer-aided analysis of electromagnetic fields Appendix A. Smith chart and its applications Appendix B. Computer programs for various problems Appendix C. Useful mathematical tables Index.
385 citations
Book•
1 Jan 2000
TL;DR: This chapter discusses RF Behavior of Passive Components, which consists of RF Transistor Amplifier Designs, and an Overview of RF Filter Design, which focuses on Filter Implementation.
Abstract: 1. Introduction. Importance of Radiofrequency Design. Dimensions and Units. Frequency Spectrum. RF Behavior of Passive Components. Chip Components and Circuit Board Considerations. Summary. 2. Transmission Line Analysis. Why Transmission Line Theory? Examples of Transmission Lines. Equivalent Circuit Representation. Theoretical Foundation. Circuit Parameters for a Parallel Plate Transmission Line. Summary of Different Line Configurations. General Transmission Line Equation. Microstrip Transmission Line. Terminated Lossless Transmission Line. Special Termination Conditions. Sourced and Loaded Transmission Line. Summary. 3. The Smith Chart. From Reflection Coefficient to Load Impedance. Impedance Transformation. Admittance Transformation. Parallel and Series Connections. Summary. 4. Single- and Multiport Networks. Basic Definitions. Interconnecting Networks. Network Properties and Applications. Scattering Parameters. Summary. 5. An Overview of RF Filter Design. Basic Resonator and Filter Configurations. Special Filter Realizations. Filter Implementation. Coupled Filter. Summary. 6. Active RF Components. Semiconductor Basics. RF Diodes. Bipolar-Junction Transistor. RF Field Effect Transistors. High Electron Mobility Transistors. Summary. 7. Active RF Component Modeling. Diode Models. Transistor Models. Measurement of Active Devices. Scattering Parameter Device Characterization. Summary. 8. Matching and Biasing Networks. Impedance Matching Using Discrete Components. Microstrip Line Matching Networks. Amplifier Classes of Operation and Biasing Networks. Summary. 9. RF Transistor Amplifier Designs. Characteristics of Amplifiers. Amplifier Power Relations. Stability Considerations. Constant Gain. Noise Figure Circles. Constant VSWR Circles. Broadband, High-Power, and Multistage Amplifiers. Summary. 10. Oscillators and Mixers. Basic Oscillator Model. High-Frequency Oscillator Configuration. Basic Characteristics of Mixers. Summary. Appendix A. Useful Physical Quantities and Units. Appendix B. Skin Equation for a Cylindrical Conductor. Appendix C. Complex Numbers. Basic Definition. Magnitude Computations. Circle Equation. Appendix D. Matrix Conversions. Appendix E. Physical Parameters of Semiconductors. Appendix F. Long and Short Diode Models. Long Diode. Short Diode. Appendix G. Couplers. Wilkinson Divider. Branch Line Coupler. Lange Coupler. Appendix H. Noise Analysis. Basic Definitions. Noisy Two-Port Networks. Noise Figure for Two-Port Network. Noise Figure for Cascaded Multiport Network. Appendix I. Introduction to Matlab. Background. Brief Example of Stability Evaluation. Simulation Software on Compact Disk. Index.
330 citations
Book•
1 Jan 1982
TL;DR: In this article, the authors present the derivation of Ampere's law, Faradays law for moving charges, the smith chart, physical constants, materiial properties, and other useful data.
Abstract: Vector analysis electrostatic fields magnetostatic fields Maxwell's equations propagation of uniform plane waves transmission lines waveguides and cavity resonators antennas appendices - derivation of Ampere's law, Faradays law for moving charges, the smith chart, physical constants, materiial properties, and other useful data.
259 citations
Book•
1 Sep 1990TL;DR: In this article, the Smith chart and its uses hybrid-line couplers parallel-coupled lines and directional coupling filters are used for characterization of microstrip circuits and subsystems microstrip experiments.
Abstract: Transmission line theory two-port parameters microstrip transmission lines - basic theory microstrip transmission lines - further considerations discontinuities the Smith chart and its uses hybrid-line couplers parallel-coupled lines and directional couplers filters miscellaneous components active circuit characterization microstrip circuits and subsystems microstrip experiments.
220 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2025 | 5 |
| 2024 | 8 |
| 2023 | 17 |
| 2022 | 22 |
| 2021 | 18 |
| 2020 | 25 |