Ebook: Theory and design of microwave filters

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Theory and design of microwave filters
Ian Hunter, IET, 2001(Reprinted 2006), 369页

Contents
Foreword
Preface
1 Introduction
1.1 Applications of RF and microwave filters
1.2 Ideal lowpass filters
1.3 Minimum phase networks
1.4 Amplitude approximation
1.5 Practical realisations of microwave filters
1.6 Summary
1.7 References
2 Basic network theory
2.1 Linear passive time-invariant networks
2.1.1 Linearity
2.1.2 Time invariance
2.1.3 Passivity
2.1.4 The bounded real condition
2.2 Lossless networks
2.3 Ladder networks
2.4 Synthesis of two-port networks Darlington synthesis
2.4.1 Cascade synthesis
2.4.2 All-pole networks
2.5 Analysis of two-port networks the ABCD matrix
2.6 Analysis of two-port networks - the scattering matrix
2.6.1 Relationships between ABCD parameters and S
parameters
2.7 Even- and odd-mode analysis of symmetrical networks
2.8 Analysis by image parameters
2.9 Analysis of distributed circuits
2.10 Sun1mary
2.11 References
3 Designs of lumped lowpass prototype networks 49
3.1 Introduction 49
3.2 The maximally flat prototype 49
3.2.1 Impedance inverters 55
3.3 The Chebyshev prototype 56
3.4 The elliptic function prototype 64
3.5 The generalised Chebyshev prototype 68
3.6 Filters with specified phase and group delay characteristics 71
3.6.1 The maximally flat group delay lowpass prototype 73
3.6.2 The equidistant linear phase approximation 75
3.6.3 Combined phase and amplitude approximation 77
3.7 Filters with specified time domain characteristics 78
3.8 Synthesis of generalised Chebyshev filters 81
3.8.1 Synthesis of generalised Chebyshev prototypes with
symmetrically located transmission zeros 81
3.8.2 Synthesis of generalised Chebyshev prototypes with
ladder-type networks 86
3.8.3 Asymmetrically located transmission zeros 90
3.9 Summary 98
3.10 References 99
4 Circuit transformations on lumped prototype networks 101
4.1 Introduction 101
4.2 Impedance transformations 101
4.2.1 Example 103
4.3 Lowpass to arbitrary cut-off frequency lowpass transformation 103
4.3.1 Example 104
4.4 Lowpass to highpass transformation 105
4.4.1 Example 106
4.5 Lowpass to bandpass transformation 107
4.5.1 Example 114
4.5.2 Nodal admittance matrix scaling 116
4.6 Lowpass to bandstop transformation 118
4.6.1 Design example 121
4.7 Effects of losses on bandpass filters 125
4.8 Practical procedures 131
4.8.1 Measurement of input coupling 131
4.8.2 Measurement of inter-resonator coupling 133
4.8.3 Measurement of resonator Qfactor 134
4.9 Summary 135
4.10 References 136
5 TEM transmission line filters 137
5.1 Commensurate distributed circuits 137
5.2 Stepped inlpedance unit element prototypes 144
5.2.1 Physical realisation of stepped impedance lowpass filters 149
5.3 Broadband TEM filters with generalised Chebyshev
characteristics
5.3.1 Generalised Chebyshev highpass filters
5.4 Parallel coupled transmission lines
5.5 The interdigital filter
5.5.1 Design example
5.5.2 Narrowband interdigital filters
5.5.3 Design example
5.5.4 Physical design of the interdigital filter
5.6 The conlbline filter
5.6.1 Design example
5.6.2 Tunable combline filters
5.7 The parallel coupled-line filter
5.8 Narrowband coaxial resonator filters
5.9 Summary
5.10 References
6 Waveguide filters
6.1 Introduction
6.2 Basic theory of waveguides
6.2.1 TE modes
6.2.2 TM modes
6.2.3 Relative cut-off frequencies of modes
6.2.4 Rectangular waveguide resonators
6.2.5 Numerical example
6.2.6 Spurious resonances
6.2.7 Circular waveguides
6.2.8 TE modes
6.2.9 TM modes
6.2.10 Circular waveguide resonators
6.2.11 Numerical example
6.3 Design of waveguide bandpass filters
6.3.1 Design example
6.4 The generalised direct-coupled cavity waveguide filter
6.5 Extracted pole waveguide filters
6.5.1 Realisation in waveguide
6.5.2 Design example
6.5.3 "Realisation in TE()}} mode cavities
6.6 Dual-mode waveguide filters
6.6.1 Numerical example
6.6.2 Asymmetric realisations for dual-mode filters
6.7 Summary
6.8 References
7 Dielectric resonator filters 271
7.1 Introduction 271
7.2 Dielectric rod waveguides and the TEol /) mode 272
7.3 Dual-mode dielectric resonator filters 283
7.3.1 Dual-mode conductor-loaded dielectric resonator filters 285
7.4 Triple-mode dielectric resonator filters 290
7.4.1 Spherical dielectric resonators 290
7.4.2 Cubic dielectric resonators 298
7.4.3 Design of triple-mode dielectric resonator reflection filters 301
7.4.4 Design example 305
7.5 Dielectric-loaded filters 309
7.5.1 Dielectric-loaded waveguide filters 314
7.6 Summary 317
7.7 References 318
8 Miniaturisation techniques for microwave filters 321
8.1 Introduction 321
8.2 Dielectric resonator filters 322
8.3 Superconducting filters 322
8.4 Surface acoustic wave filters 323
8.5 Active microwave filters 325
8.6 Lossy filters 327
8.6.1 Design of lossy filters - classical predistortion 331
8.6.2 Design of lossy filters - reflection mode type 335
8.6.3 Design example 339
8.7 Summary 343
8.8 References 344
Index 345

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Theory and design of microwave filters part1

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Theory and design of microwave filters part2

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Theory and design of microwave filters part3

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Theory and design of microwave filters part4

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Theory and design of microwave filters part5

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Theory and design of microwave filters part6

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