Theory and design of microwave filters / Ian Hunter.

Format:

Book

Author/Creator:

Hunter, I. C.

Contributor:

Institution of Electrical Engineers.

Sabin W. Colton, Jr., Memorial Fund.

Series:

IEE electromagnetic waves series ; 48.

IEE electromagnetic waves series ; 48

Language:

English

Subjects (All):

Microwave filters.

Physical Description:

xiv, 353 pages : illustrations ; 24 cm.

Place of Publication:

London : Institution of Electrical Engineers, [2001]

Contents:

1.1 Applications of RF and microwave filters 1

1.2 Ideal lowpass filters 5

1.3 Minimum phase networks 7

1.4 Amplitude approximation 10

1.5 Practical realisations of microwave filters 12

2 Basic network theory 15

2.1 Linear passive time-invariant networks 15

2.1.1 Linearity 16

2.1.2 Time invariance 16

2.1.3 Passivity 17

2.1.4 The bounded real condition 17

2.2 Lossless networks 18

2.3 Ladder networks 21

2.4 Synthesis of two-port networks

Darlington synthesis 22

2.4.1 Cascade synthesis 25

2.4.2 All-pole networks 29

2.5 Analysis of two-port networks

the ABCD matrix 29

2.6 Analysis of two-port networks

the scattering matrix 34

2.6.1 Relationships between ABCD parameters and S parameters 40

2.7 Even- and odd-mode analysis of symmetrical networks 41

2.8 Analysis by image parameters 44

2.9 Analysis of distributed circuits 46

3 Designs of lumped lowpass prototype networks 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

4 Circuit transformations on lumped prototype networks 101

4.2 Impedance transformations 101

4.3 Lowpass to arbitrary cut-off frequency lowpass transformation 103

4.4 Lowpass to highpass transformation 105

4.5 Lowpass to bandpass transformation 107

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 Q factor 134

5 TEM transmission line filters 137

5.1 Commensurate distributed circuits 137

5.2 Stepped impedance unit element prototypes 144

5.2.1 Physical realisation of stepped impedance lowpass filters 149

5.3 Broadband TEM filters with generalised Chebyshev characteristics 151

5.3.1 Generalised Chebyshev highpass filters 162

5.4 Parallel coupled transmission lines 165

5.5 The interdigital filter 167

5.5.1 Design example 173

5.5.2 Narrowband interdigital filters 174

5.5.3 Design example 176

5.5.4 Physical design of the interdigital filter 177

5.6 The combline filter 182

5.6.1 Design example 192

5.6.2 Tunable combline filters 194

5.7 The parallel coupled-line filter 194

5.8 Narrowband coaxial resonator filters 197

6 Waveguide filters 201

6.2 Basic theory of waveguides 202

6.2.1 TE modes 203

6.2.2 TM modes 208

6.2.3 Relative cut-off frequencies of modes 209

6.2.4 Rectangular waveguide resonators 209

6.2.5 Numerical example 210

6.2.6 Spurious resonances 212

6.2.7 Circular waveguides 212

6.2.8 TE modes 213

6.2.9 TM modes 215

6.2.10 Circular waveguide resonators 217

6.2.11 Numerical example 217

6.3 Design of waveguide bandpass filters 220

6.3.1 Design example 228

6.4 The generalised direct-coupled cavity waveguide filter 230

6.5 Extracted pole waveguide filters 239

6.5.1 Realisation in waveguide 249

6.5.2 Design example 252

6.5.3 Realisation in TE[subscript 011] mode cavities 254

6.6 Dual-mode waveguide filters 255

6.6.1 Numerical example 263

6.6.2 Asymmetric realisations for dual-mode filters 265

7 Dielectric resonator filters 271

7.2 Dielectric rod waveguides and the TE[subscript 01[delta] 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

8 Miniaturisation techniques for microwave filters 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.

Notes:

Includes bibliographical references and index.

Local Notes:

Acquired for the Penn Libraries with assistance from the Sabin W. Colton, Jr., Memorial Fund.

ISBN:

0852967772

OCLC:

44693912