简介
With the increased use of mobile phones and computer wireless techniques, a need has developed for a book whichprovides students and industry with expertise in radio andmicrowave engineering. This important text has been written with these aims in mind. *Provides a comprehensivecourse in radio and microwave engineering *Includes CD-ROM,containing the CAD package PUFF 2.1 for construction and evaluation of circuits; and a comprehensive section on practical aspects of design *Written by an experienced author, in a clear and easy-to-follow style *Contains a variety of examples and self-test questions with model answers The material covers transmission lines, scatteringparameters, couplers, amplifiers, oscillators and phase-locked loops in a novel way by introducing examples from daily life prior to the introduction of the theory. Microwave tools such as Smith charts, scattering parameters and signal flow diagrams are dealt with thoroughly and are fully integrated in the numerous examples throughout the text and with PUFF. High Frequencyand Microwave Engineering is intended as an advanced undergraduate text for students of electrical and communication engineering, and is also eminently suitable for self-study and as a manual for those in the industry wishing to update their engineering skills. Provides a comprehensive course in radio and microwave engineering Contains many examples and self-test questions with model answers.
目录
Preface p. ix
Basic Features of Radio Communication Systems p. 1
Introduction p. 1
Radio communication systems p. 2
Modulation and demodulation p. 3
Radio wave propagation techniques p. 9
Antennas and Aerials p. 14
Antenna arrays p. 23
Antenna distribution systems p. 25
Radio receivers p. 32
Radio receiver properties p. 33
Types of receivers p. 37
Summary p. 41
Transmission Lines p. 43
Introduction p. 43
Transmission line basics p. 45
Types of electrical transmission lines p. 47
Line characteristic impedances and physical parameters p. 50
Characteristic impedance (Z[subscript 0]) from primary electrical parameters p. 54
Characteristic impedance (Z[subscript 0]) by measurement p. 58
Typical commercial cable impedances p. 60
Signal propagation on transmission lines p. 61
Waveform distortion and frequency dispersion p. 63
Transmission lines of finite length p. 64
Reflection and transmission coefficients p. 64
Propagation constant ([gamma]) of transmission lines p. 72
Transmission lines as electrical components p. 77
Transmission line couplers p. 82
Summary p. 98
Smith Charts and Scattering Parameters p. 88
Introduction p. 88
Smith charts p. 89
The immittance Smith chart p. 97
Admittance manipulation on the chart p. 98
Smith chart theory and applications p. 98
Reflection coefficients and impedance networks p. 102
Impedance of distributed circuits p. 106
Impedance matching p. 110
Summary of Smith charts p. 125
Scattering parameters (s-parameters) p. 125
Applied examples of s-parameters in two port networks p. 131
Summary of scattering parameters p. 140
Puff Software p. 142
Introduction p. 142
CalTech's PUFF Version 2.1 p. 143
Installation of PUFF p. 143
Running PUFF p. 144
Examples p. 147
Bandpass filter p. 152
PUFF commands p. 156
Templates p. 157
Modification of transistor templates p. 163
Verification of some examples given in Chapters 2 and 3 p. 165
Using PUFF to evaluate couplers p. 170
Verification of Smith chart applications p. 172
Verification of stub matching p. 176
Scattering parameters p. 186
Discontinuities: physical and electrical line lengths p. 189
Summary p. 192
Amplifier Basics p. 195
Introduction p. 195
Tuned circuits p. 196
Filter design p. 202
Butterworth filter p. 208
Tchebyscheff filter p. 224
Summary on filters p. 231
Impedance matching p. 232
Three element matching networks p. 252
Broadband matching networks p. 259
Summary of matching networks p. 261
High Frequency Transistor Amplifiers p. 262
Introduction p. 262
Bi-polar transistors p. 262
Review of field effect transistors p. 277
A.C. equivalent circuits of transistors p. 291
General r.f. design considerations p. 304
Transistor operating configurations p. 316
Summary p. 319
Microwave Amplifiers p. 320
Introduction p. 320
Transistors and s-parameters p. 321
Design of amplifiers with conjugately matched impedances p. 322
Design of amplifiers for a specific gain p. 332
Design of amplifiers for optimum noise figure p. 345
Design of broadband amplifiers p. 349
Feedback amplifiers p. 352
R.F. power transistors p. 355
Summary p. 35S
Oscillators and Frequency Synthesisers p. 357
Introduction p. 357
Sine wave type oscillators p. 358
Low frequency sine wave oscillators p. 361
Wien bridge oscillator p. 361
Phase shift oscillators p. 364
Radio frequency (LC) oscillators p. 368
Colpitts oscillator p. 368
Hartley oscillator p. 371
Clapp oscillator p. 372
Voltage-controlled oscillator p. 375
Comparison of the Hartley, Colpitts, Clapp and voltage-controlled oscillators p. 376
Crystal control oscillators p. 376
Phase lock loops p. 380
Frequency synthesisers p. 393
Summary p. 399
Further Topics p. 400
Aims p. 400
Signal flow graph analysis p. 400
Small effective microwave CAD packages p. 410
Summary of software p. 420
References p. 421
Index p. 000
Basic Features of Radio Communication Systems p. 1
Introduction p. 1
Radio communication systems p. 2
Modulation and demodulation p. 3
Radio wave propagation techniques p. 9
Antennas and Aerials p. 14
Antenna arrays p. 23
Antenna distribution systems p. 25
Radio receivers p. 32
Radio receiver properties p. 33
Types of receivers p. 37
Summary p. 41
Transmission Lines p. 43
Introduction p. 43
Transmission line basics p. 45
Types of electrical transmission lines p. 47
Line characteristic impedances and physical parameters p. 50
Characteristic impedance (Z[subscript 0]) from primary electrical parameters p. 54
Characteristic impedance (Z[subscript 0]) by measurement p. 58
Typical commercial cable impedances p. 60
Signal propagation on transmission lines p. 61
Waveform distortion and frequency dispersion p. 63
Transmission lines of finite length p. 64
Reflection and transmission coefficients p. 64
Propagation constant ([gamma]) of transmission lines p. 72
Transmission lines as electrical components p. 77
Transmission line couplers p. 82
Summary p. 98
Smith Charts and Scattering Parameters p. 88
Introduction p. 88
Smith charts p. 89
The immittance Smith chart p. 97
Admittance manipulation on the chart p. 98
Smith chart theory and applications p. 98
Reflection coefficients and impedance networks p. 102
Impedance of distributed circuits p. 106
Impedance matching p. 110
Summary of Smith charts p. 125
Scattering parameters (s-parameters) p. 125
Applied examples of s-parameters in two port networks p. 131
Summary of scattering parameters p. 140
Puff Software p. 142
Introduction p. 142
CalTech's PUFF Version 2.1 p. 143
Installation of PUFF p. 143
Running PUFF p. 144
Examples p. 147
Bandpass filter p. 152
PUFF commands p. 156
Templates p. 157
Modification of transistor templates p. 163
Verification of some examples given in Chapters 2 and 3 p. 165
Using PUFF to evaluate couplers p. 170
Verification of Smith chart applications p. 172
Verification of stub matching p. 176
Scattering parameters p. 186
Discontinuities: physical and electrical line lengths p. 189
Summary p. 192
Amplifier Basics p. 195
Introduction p. 195
Tuned circuits p. 196
Filter design p. 202
Butterworth filter p. 208
Tchebyscheff filter p. 224
Summary on filters p. 231
Impedance matching p. 232
Three element matching networks p. 252
Broadband matching networks p. 259
Summary of matching networks p. 261
High Frequency Transistor Amplifiers p. 262
Introduction p. 262
Bi-polar transistors p. 262
Review of field effect transistors p. 277
A.C. equivalent circuits of transistors p. 291
General r.f. design considerations p. 304
Transistor operating configurations p. 316
Summary p. 319
Microwave Amplifiers p. 320
Introduction p. 320
Transistors and s-parameters p. 321
Design of amplifiers with conjugately matched impedances p. 322
Design of amplifiers for a specific gain p. 332
Design of amplifiers for optimum noise figure p. 345
Design of broadband amplifiers p. 349
Feedback amplifiers p. 352
R.F. power transistors p. 355
Summary p. 35S
Oscillators and Frequency Synthesisers p. 357
Introduction p. 357
Sine wave type oscillators p. 358
Low frequency sine wave oscillators p. 361
Wien bridge oscillator p. 361
Phase shift oscillators p. 364
Radio frequency (LC) oscillators p. 368
Colpitts oscillator p. 368
Hartley oscillator p. 371
Clapp oscillator p. 372
Voltage-controlled oscillator p. 375
Comparison of the Hartley, Colpitts, Clapp and voltage-controlled oscillators p. 376
Crystal control oscillators p. 376
Phase lock loops p. 380
Frequency synthesisers p. 393
Summary p. 399
Further Topics p. 400
Aims p. 400
Signal flow graph analysis p. 400
Small effective microwave CAD packages p. 410
Summary of software p. 420
References p. 421
Index p. 000
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