Asymmetric Passive Components in Microwave Integrated Circuits (eBook)

HEE-RAN AHN, PhD, is a member of the Department of Electronics and Electrical Engineering at Pohang University of Science and Technology (POSTECH), Korea. Dr. Ahn is internationally recognized as a leader and innovator in asymmetric passive components such as ring and branch-line hybrids, power dividers, phase shifters, attenuators, and impedance transformers (CVTs and CCTs).

Preface.

1. Introduction.

1.1 Asymmetric Passive Components.

1.2 Circuit Parameters.

1.3 Asymmetric Four-Port Hybrids.

1.4 Asymmetric Three-Port Power Dividers.

1.5 Asymmetric Two-Port Components.

References.

2. Circuit Parameters.

2.1 Scattering Matrix.

2.2 Scattering Parameters of Reduced Multiports.

2.3 Two-Port Network Analysis Using Scattering Parameters.

2.4 Other Circuit Parameters.

2.5 Analyses of Symmetric Networks.

2.6 Analyses with Image Parameters.

Exercises.

References.

3. Conventional Ring Hybrids.

3.1 Introduction.

3.2 Original Concept of the 3-dB Ring Hybrid.

3.3 Conventional Ring Hybrids.

3.4 Conventional 3-dB Uniplanar Ring Hybrids.

Exercises.

References.

4. Asymmetric Ring Hybrids.

4.1 Introduction.

4.2 Derivation of Design Equations of Asymmetric RingHybrids.

4.3 Small Asymmetric Ring Hybrids.

4.4 Wideband or Small Asymmetric Ring Hybrids.

4.5 Miniaturized Ring Hybrids Terminated in ArbitraryImpedances.

Exercises.

References.

5. Asymmetric Branch-Line Hybrids.

5.1 Introduction.

5.2 Origin of Branch-Line Hybrids.

5.3 Multisection Branch-Line Couplers.

5.4 Branch-Line Hybrids for Impedance Transforming.

5.5 Asymmetric Four-Port Hybrids.

Exercises.

References.

6. Conventional Three-Port Power Dividers.

6.1 Introduction.

6.2 Three-Port 3-dB Power Dividers.

6.3 Three-Port Power Dividers with Arbitrary PowerDivisions.

6.4 Symmetric Analyses of Asymmetric Three-Port PowerDividers.

6.5 Three-Port 3-dB Power Dividers Terminated in ComplexFrequency-Dependent Impedances.

6.6 Three-Port 45 Power Divider/Combiner.

Exercises.

References.

7. Three-Port 3-dB Power Dividers Terminated in DifferentImpedances.

7.1 Introduction.

7.2 Perfect Isolation Condition.

7.3 Analyses.

7.4 Scattering Parameters of Three-Port Power Dividers.

7.5 Lumped-Element Three-Port 3-dB Power Dividers.

7.6 Coplanar Three-Port 3-dB Power Dividers.

Exercises.

References.

8. General Design Equations for N-Way Arbitrary PowerDividers.

8.1 Introduction.

8.2 General Design Equations for Three-Port Power Dividers.

8.3 General Design Equations for N-Way PowerDividers.

Exercises.

References.

9. Asymmetric Ring-Hybrid Phase Shifters andAttenuators.

9.1 Introduction.

9.2 Scattering Parameters of Asymmetric Ring Hybrids.

9.3 Asymmetric Ring-Hybrid Phase Shifters.

9.4 Asymmetric Ring-Hybrid Attenuator with Phase Shifts.

Exercises.

References.

10. Ring Filters and Their Use in a New Measurement Techniquefor Inherent Ring-Resonance Frequency.

10.1 Introduction.

10.2 Ring Filters.

10.3 New Measurement Technique for Inherent Ring-ResonanceFrequency.

10.4 Conclusions.

Exercises.

References.

11. Small Impedance Transformers, CVTs and CCTs, and TheirApplications to Small Power Dividers and Ring Filters.

11.1 Small Transmission-Line Impedance Transformers.

11.2 Mathematical Approach for CVTs and CCTs.

11.3 CVT3PDs and CCT3PDs.

11.4 Asymmetric Three-Port 45 Power Divider Terminated inArbitrary Impedances.

11.5 CVT and CCT Ring Filters.

11.5.1 Analyses of Ring Filters.

Exercises.

References.

Appendix A: Symbols and Abbreviations.

Appendix B: Conversion Matrices.

Appendix C: Derivation of the Elements of a Small AsymmetricRing Hybrid.

Appendix D: Trigonometric Relations.

Appendix E: Hyperbolic Relations.

Index.