Design and Realizations of Miniaturized Fractal Microwave and RF Filters

PREFACE.

1 MICROWAVE FILTER STRUCTURES.

1.1 Background.

1.2 Cavity Filters.

1.3 Planar Filters.

1.4 Planar Filter Technology.

1.5 Active Filters.

1.6 Superconductivity or HTS Filters.

1.7 Periodic Structure Filters.

1.8 SAW Filters.

1.9 Micromachined Filters.

1.10 Summary.

References.

2 IN-LINE SYNTHESIS OF PSEUDO-ELLIPTIC FILTERS.

2.1 Introduction.

2.2 Approximation and Synthesis.

2.3 Chebyshev Filters.

2.4 Pseudo-elliptic Filters.

2.5 Prototype Synthesis Examples.

2.6 Theoretical Coupling Coefficients and External Quality Factors.

References.

3 SUSPENDED SUBSTRATE STRUCTURE.

3.1 Introduction.

3.2 Suspended Substrate Technology.

3.3 Unloaded Quality Factor of a Suspended Substrate Resonator.

3.4 Coupling Coefficients of Suspended Substrate Resonators.

3.5 Enclosure Design Considerations.

References.

4 MINIATURIZATION OF PLANAR RESONATORS USING FRACTAL ITERATIONS.

4.1 Introduction.

4.2 Miniaturization of Planar Resonators.

4.3 Fractal Iteration Applied to Planar Resonators.

4.4 Minkowski Resonators.

4.5 Hibert Resonators.

References.

5 DESIGN AND REALIZATIONS OF MEANDERED LINE FILTERS.

5.1 Introduction.

5.2 Third-order Pseudo-elliptic Filters with Transmission Zero on the Right.

5.3 Third-order Pseudo-elliptic Filters with Transmission Zero on the Left.

References.

6 DESIGN AND REALIZATIONS OF HILBERT FILTERS.

6.1 Introduction.

6.2 Design of Hilbert Filters.

6.3 Realizations and Measured Performance.

References.

7 DESIGN AND REALIZATION OF DUAL-MODE MINKOWSKI FILTERS.

7.1 Introduction.

7.2 Study of Minkowski Dual-Mode Resonators.

7.3 Design of Fourth-Order Pseudo-elliptic Filters with Two Transmission Zeros.

7.4 Realization and Measured Performance.

References.

APPENDIX 1: Equivalence Between J and K Lowpass Prototypes.

APPENDIX 2: Extraction of the Unloaded Quality Factor of Suspended Substrate Resonators.

INDEX.