OF VOLUMES I AND ]aThis book presents design techniques for a wide variety of low-pass, band-pass, high-pass, and band-stop microwave filters; for multiplexers; and for certain kinds of directional couplers. The material is organized to be used by the designer who needs to work out a specific design quickly, with a minimum of reading, as well as by the engineer who wants a deeper understanding of the design techniques used, so that he can apply them to new and unusual situations.Most of the design procedures described make use of either a lumpedelement low-pass prototype filter or a step-transformer prototype as a basis for design. Using these prototypes, microwave filters can be obtained which derive response characteristics (such as a Tchebyscheff attenuation ripples in the pass band) from their prototype. Prototype filter designs are tabulated, and data is given relevant to the use of prototype filters as a basis for the design of impedance-matching networks and time-delay networks. Design formulas and tables for step-transfor,.er prototypes are alsc given.The design of microwave filter structures to serve as impedancematching networks is discussed, and examples are presented. The techniques described should find application in the design of impedance-matching networks for use in microwave devices such as tubes, parametric devices, antennas, etc., in order to achieve efficient broad-band operation. The design of microwave filters to achieve various time-delay (or slow-wave)properties is also discussed.Various equations, graphs, and tables are collected together relevant to the design of coaxial lines, strip-lines, waveguides, parallel-coupled lines between common ground planes, arrays of lines between ground planes, coupling and junction discontinuities, and resonators. Techniques for measuring the Q's of resonators and the coupling coefficients between resonators are also discussed, along with procedures for tuning filters. Equations and principles useful in the analysis of filters are collected iii together for easy reference and to aid the reader whose bakgrcund for the subject matter of this book may contain some gaps.Diroctionot filters have special advantages for certain applications, and are treated in detail in a separate chapter, as are highpower filters.-, Tunable filters of the kind that might be desired for preselector applications are also treated. Both mechanically tunable filters and filters using ferrimagsnetic resonatorq, which can be tuned by varying a biasing magnetic field, are discussed.A, PMFA E TO VOWMES I AND 11The organization of this book has three general objectives. The first objective is to present fundamental concepts, techniques, and data that are of general use in the design of the wide range of microwave structures discussed in this book. The second objective is to present specialized data in more or less handbook form so that a designer can work out practical designs for structures having certain specific configurations, without having to recreate the design theory o...

OF VOLUMES I AND ]aThis book presents design techniques for a wide variety of low-pass, band-pass, high-pass, and band-stop microwave filters; for multiplexers; and for certain kinds of directional couplers. The material is organized to be used by the designer who needs to work out a specific design quickly, with a minimum of reading, as well as by the engineer who wants a deeper understanding of the design techniques used, so that he can apply them to new and unusual situations.Most of the design procedures described make use of either a lumpedelement low-pass prototype filter or a step-transformer prototype as a basis for design. Using these prototypes, microwave filters can be obtained which derive response characteristics (such as a Tchebyscheff attenuation ripples in the pass band) from their prototype. Prototype filter designs are tabulated, and data is given relevant to the use of prototype filters as a basis for the design of impedance-matching networks and time-delay networks. Design formulas and tables for step-transfor,.er prototypes are alsc given.The design of microwave filter structures to serve as impedancematching networks is discussed, and examples are presented. The techniques described should find application in the design of impedance-matching networks for use in microwave devices such as tubes, parametric devices, antennas, etc., in order to achieve efficient broad-band operation. The design of microwave filters to achieve various time-delay (or slow-wave)properties is also discussed.Various equations, graphs, and tables are collected together relevant to the design of coaxial lines, strip-lines, waveguides, parallel-coupled lines between common ground planes, arrays of lines between ground planes, coupling and junction discontinuities, and resonators. Techniques for measuring the Q's of resonators and the coupling coefficients between resonators are also discussed, along with procedures for tuning filters. Equations and principles useful in the analysis of filters are collected iii together for easy reference and to aid the reader whose bakgrcund for the subject matter of this book may contain some gaps.Diroctionot filters have special advantages for certain applications, and are treated in detail in a separate chapter, as are highpower filters.-, Tunable filters of the kind that might be desired for preselector applications are also treated. Both mechanically tunable filters and filters using ferrimagsnetic resonatorq, which can be tuned by varying a biasing magnetic field, are discussed.A, PMFA E TO VOWMES I AND 11The organization of this book has three general objectives. The first objective is to present fundamental concepts, techniques, and data that are of general use in the design of the wide range of microwave structures discussed in this book. The second objective is to present specialized data in more or less handbook form so that a designer can work out practical designs for structures having certain specific configurations, without having to recreate the design theory o...

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