A Practical Design of Lumped, Semi-lumped & Microwave Cavity Filters

<p>Introduction to RF filters.- NEED FOR FILTERS.- FILTERING CIRCUITS.- TYPES OF FILTERS.- Low pass filters.- High pass filters.- Band pass filters.- Band reject filters.- APPLICATION OF RF FILTERS.- RF Filter terms.- IMPEDANCE.- Definition.- Load resistor at radio frequency.- Standard terminations.- RF TRANSMISSION LINE.- Definition.- Types of transmission lines.- COAXIAL TRANSMISSION LINES.- Construction and characteristics.- Standard coaxial air lines.- MICROSTRIP/STRIPLINE TRANSMISSION LINES.- CHARACTERISTIC IMPEDANCE.- VSWR.- Maximum power transfer.- Practical significance of VSWR.- VSWR: OPEN CIRCUITED LOAD.- Relationship between incident &amp; reflected voltages.- Instantaneous voltages of incident, reflected &amp; resultant waves      .- Standing voltage wave in slotted line.- VSWR: SHORT CIRCUITED LOAD.- Relationship between incident &amp; reflected voltages.- Instantaneous voltages of incident, reflected &amp; resultant waves.- VSWR: MATCHED 50Ω LOAD.- VSWR: INFINITELY LONG 50Ω CABLE AS LOAD.- VSWR: PARTIALLY MATCHED LOAD.- Requirements of RF filter            .- SUB-CONTRACTING PROCESS               .- SAMPLE ELECTRICAL SPECIFICATIONS OF FILTERS.- PASS BAND.- PASS BAND RIPPLE.- INSERTION LOSS.- RETURN LOSS.- CUT-OFF FREQUENCY.- REJECTION.- GRAPHICAL REPRESENTATIONS.- MECHANICAL SPECIFICATIONS     .- Dimensions (outline) &amp; weight.- Input/Output connections.- Finish.- ENVIRONMENTAL SPECIFICATIONS.- ADDITIONAL SPECIFICATIONS.- RF Filter design technologies.- TECHNOLOGIES.- LUMPED RF FILTERS.- Low pass &amp; high pass filters.- Band pass &amp; band reject filters.- SEMI-LUMPED RF FILTERS.- Distributed capacitance.- Concept of semi-lumped RF filter.- MICROWAVE CAVITY FILTERS.- Resonance in microwave coaxial cavity.- Combline &amp; Iris-coupled cavity filters.- Power handling capacity.- COMBLINE BAND PASS FILTERS.- Structure.- Equivalent circuit.- Insertion loss.- IRIS-COUPLED BAND PASS FILTERS.- CAVITY FILTERS WITH DIELECTRIC RESONATORS.- MICROSTRIP &amp; STRIPLINE FILTERS.- 1 Materials.- Basic microstrip.- Basic stripline.- Computer aids for filter design.- Planning the design of RF filters.- NEED FOR PLANNING DESIGN.- Benefits of value added functional design.- PLANNING DESIGN PHASE.- UNDERSTANDING CUSTOMER REQUIREMENTS   .- SETTING INTERNAL SPECIFICATIONS.- Need for internal specifications.- Statistical method of setting internal specifications.- Recommended internal specification limits.- COMPUTATIONS OF FILTER PARAMETERS.- DESIGN DRAWINGS &amp; THEIR REVIEW.- Sources of data for review.- INTERNAL TESTING &amp; VALIDATION.- Design of lumped &amp; semi-lumped RF filters.- LUMPED RF FILTERS.- Selection of filter parts.- ILLUSTRATED DESIGN OF LUMPED RF FILTER.- Computational steps for filter design parameters.- Number of filter elements.- Values of filter elements.- Layout design for filter elements.- End coupling.- Tuning of lumped RF filter.- ILLUSTRATED DESIGN OF TUBULAR FILTER.- Number of filter elements.- Values of tubular filter elements.- Realisation of tubular filter.- Tuning of tubular filter.- DESIGN OF COILS.- Design of microwave cavity filters.- INTRODUCTION.- COMBLINE BAND PASS FILTER.- Cavity block.- Resonators.- Cover plate.- Other piece parts.- Materials &amp; finish of parts.- ILLUSTRATED DESIGN OF COMBLINE FILTER.- Computational steps for combline filter.- Number of filter sections.- Resonator length.- Width &amp; thickness of rectangular resonators.- Rectangular to cylindrical resonators.- Spacing between resonators.- Length of cavity.- Capacitance for tuning resonators.- Height of cavity.- IRIS-COUPLED BAND PASS FILTERS.- Structure &amp; parts.- ILLUSTRATED DESIGN OF IRIS-COUPLED FILTERS.- Computational steps for filter design parameters.- Number of filter sections.- Diameter &amp; height of cavity &amp; resonators.- Width, height &amp; thickness of irises.- END COUPLING IN CAVITY BAND PASS FILTERS.- Probe coupling.- Tag coupling.- TUNING OF CAVITY BAND PASS FILTERS.- Adjustment available for tuning.- Tuning procedure.- Tuning of filters in frequency &amp; time domains.- Practical expertise for filter design.- OPPORTUNITIES FOR LEARNING.- VISUAL EXAMINATION OF ASSEMBLED PCBs.- PRESERVATION OF SILVER PLATED PARTS.- PRECAUTIONS FOR CHIP CERAMIC CAPACITORS           .- CENTRE CONTACT RETENTION IN COAXIAL CONNECTORS.- MECHANICAL DESIGNS.- TUNING OF FILTERS.- ‘CUT &amp; TRY’ METHOD.- CROSS COUPLING FOR STEEP ROLL DOWN FILTERS.- AIR GAP BETWEEN RESONATOR &amp; TUNING SCREW.- DUPLEXERS.- DEVELOPING FILTER DESIGN SOFTWARE.- Appendix-1: Modes of propagation.- Appendix-2: Statistical analysis on RF filter characteristics.- Appendix-3: Coaxial connectors for RF filters.</p>