Passive and Active RF-Microwave Circuits

Course and Exercises with Solutions

1st Edition - March 24, 2015
Authors: Pierre Jarry, Jacques N. Beneat
Language: English
Hardback ISBN:
9 7 8 - 1 - 7 8 5 4 8 - 0 0 6 - 5
eBook ISBN:
9 7 8 - 0 - 0 8 - 1 0 0 4 7 2 - 2

Microwave and radiofrequency (RF) circuits play an important role in communication systems. Due to the proliferation of radar, satellite, and mobile wireless systems, there is a ne… Read more

Passive and Active RF-Microwave Circuits

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Microwave and radiofrequency (RF) circuits play an important role in communication systems. Due to the proliferation of radar, satellite, and mobile wireless systems, there is a need for design methods that can satisfy the ever increasing demand for accuracy, reliability, and fast development times.This book explores the principal elements for receiving and emitting signals between Earth stations, satellites, and RF (mobile phones) in four parts; the theory and realization of couplers, computation and realization of microwave and RF filters, amplifiers and microwave and RF oscillators.Passive and Active RF-Microwave Circuits provides basic knowledge for microwave and RF range; each chapter provides a complete analysis and modelling of the microwave structure used for emission or reception technology, providing the reader with a set of approaches to use for current and future RF and microwave circuits designs.

Acknowledgments
Preface
Part 1: Microwave Couplers
- 1. Microwave Coupled Lines
  - Abstract
  - 1.1 Introduction
  - 1.2 Description
  - 1.3 Lossless equivalent circuit
  - 1.4 Homogeneous medium of permittivity ε
  - 1.5 Sinusoidal excitation, even and odd modes
- 2. Strip Coupler
  - Abstract
  - 2.1 Introduction
  - 2.2 Two coupled lines closed on R_C (Z_C )
  - 2.3 Reflection (r) and transmission (t) of the even and odd modes
  - 2.4 Waves of the result state
  - 2.5 Coupler versus coupling coefficient
  - 2.6 Energy
  - 2.7 Enlargement of the bandwidth
  - 2.8 Scattering matrix
- 3. Hybrid and Magic T
  - Abstract
  - 3.1 Introduction
  - 3.2 Coupler hybrid T
  - 3.3 Coupler magic T
  - 3.4 Application to the determination of a reflection
- 4. Problems
  - Abstract
  - 4.1 Practical determination of the elements of a coupler
  - 4.2 Two-stages coupler with length θ = π/2
  - 4.3 Perfect directive coupler
Part 2: Microwave Filters
- 5. Analysis of a Guide Resonator with Direct Couplings
  - Abstract
  - 5.1 Introduction
  - 5.2 Circuit analysis of the iris alone
  - 5.3 Circuit analysis of the cavity alone
  - 5.4 Circuit analysis of a cavity between two irises
- 6. Electromagnetic (EM) of the Iris
  - Abstract
  - 6.1 Introduction
  - 6.2 Characterization of the iris
  - 6.3 Properties of the TE_m ₀ modes
  - 6.4 Continuities of the waves
  - 6.5 Computing the susceptance
- 7. Synthesis of Guide Filters with Direct Coupling
  - Abstract
  - 7.1 What does synthesis mean?
  - 7.2 Description
  - 7.3 The realizations of the iris
  - 7.4 Synthesis method of the filter
  - 7.5 Cavity simulation
  - 7.6 Coupling iris simulation
  - 7.7 Lengths of the cavities
  - 7.8 Practical computing of the filter
  - 7.9 Capacitive gap filters
- 8. Problems
  - Abstract
  - 8.1 Network formed by identical two-port networks and separated by a guide
  - 8.2 Synthesis of a guide filter with direct couplings
  - 8.3 Filters using coupled lines: synthesis of S.B. Cohn
  - 8.4 Filters using coupled lines: synthesis of G.L. Matthaei
Part 3: Microwave Amplifiers
- 9. Microwave FET Amplifiers and Gains
  - Abstract
  - 9.1 Introduction
  - 9.2 Recall on the S parameters
  - 9.3 Masson's rules for non-touching loops
  - 9.4 Transducer power gain of a network with a load and source
  - 9.5 Unilateral transducer gain
  - 9.6 Circles with constant gain (unilateral case S ₁₂ = 0)
- 10. Stability
  - Abstract
  - 10.1 Introduction
  - 10.2 Unconditional and conditional stabilities
  - 10.3 Limits of stability
  - 10.4 Places of stability
  - 10.5 Power adaptation in the case of an unconditional stability
- 11. Noise
  - Abstract
  - 11.1 Introduction
  - 11.2 Sources of noise
  - 11.3 Noise factor
  - 11.4 Noise circles
- 12. Problems
  - Abstract
  - 12.1 Symmetric writing of G_T in the case of the non-unilateral amplifier
  - 12.2 Stability conditions of a broadband transistor from 300 to 900 MHz
  - 12.3 Narrow band amplifier around 500 MHz
  - 12.4 Low-noise amplifier at 2.5 GHz
Part 4: Microwave Oscillators
- 13. Quasi-static Analysis and Overvoltage Coefficients of an Oscillator
  - Abstract
  - 13.1 Introduction
  - 13.2 Quasi-static analysis of the microwave oscillators
  - 13.3 NL resistances
  - 13.4 Output power of the oscillator
  - 13.5 Stability of the oscillation
  - 13.6 Overvoltage coefficients of a microwave oscillator
- 14. Synchronization, Pulling and Spectra
  - Abstract
  - 14.1 Introduction
  - 14.2 Synchronization
  - 14.3 Pulling factor
  - 14.4 The spectrum of the oscillator
- 15. Integrated and Stable Microwave Oscillators Using Dielectric Resonators and Transistors
  - Abstract
  - 15.1 Introduction
  - 15.2 ADR coupled to a microstrip line
  - 15.3 Realization of a stable oscillator with a DR
- 16. Problems
  - Abstract
  - 16.1 Scattering parameters of a transistor
  - 16.2 Scattering parameters and oscillations conditions
  - 16.3 Synchronization of an oscillator
  - 16.4 Pulling factor of an oscillator
  - 16.5 Equivalent circuit of a DR coupled to a line
Index

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