RF Devices and RF Circuit Design for Digital Communication

Size: px
Start display at page:

Download "RF Devices and RF Circuit Design for Digital Communication"

Transcription

1 RF Devices and RF Circuit Design for Digital Communication Agenda Fundamentals of RF Circuits Transmission ine Reflection Coefficient & Smith Chart Impedance Matching S-matrix Representation Amplifiers & Unilateral Gain RF Devices Digital RF Fundamentals of RF Circuits umped-element circuits: λ, is a typical length of device. e.g. λ 3 cm for f GHz Distributed-element circuits: λ ~ ead ine becomes a coil and/or capacitance. Historically i Rayleigh analyzed an undersea cable based on distributed circuit concept. Image Impedance and Propagation Constant Basic distributed element: Transmission ine F-matrix of Transmission ine cosθ j sinθ F j sinθ cosθ : Characteristic impedanceof Transmission ine θ : Phase delay( βl ω εμl ωl v) l : length v : velocity

2 Transmission ine Inductance, Capacitance, Filter, Impedance Transformer Short-end Open-end Impedance Inverter : in Shunt to Series Connection

3 Impedance Matrix of Transmission ine Equivalent Circuit of Transmission ine by Foster Expansion cos θ o j sinθ cosθ j o θ n θ ( ) ( nπ ) ( ) + n n θ ( π ) ( ππ ) A Series Connection of Parallel Resonance Circuits Short (Open) - circuited load: Reactance element X in tanθ: short-circuited load <θ < π : Inductance θ π : Parallel resonance circuit π < θ < π : Capacitance Stub Quater-wavelength Transformer Matching coating lense Short-terminated ine 3

4 Reflection coefficient (Г) and oad Impedance ( ) Smith Chart Γ + : Bilinear mapping : reference characteristic impedance Circle to Circle Mapping (Moebius Transform) Re Re Re ( ) > : Γ < (Passive) ( ) : Γ (ossless) ( ) Reflection type phase modulator < : Γ > (Active) Rfl Reflection typeamplifier Voltage Standing Wave Ratio (VSWR) V VSWR V Vr Γ V V i i max min Vi + V V V VSWR VSWR+ : incident wave V : reflected wave V r Special Terminations / Circuits Matched load: ( ) Г, No reflection i r r 4

5 Smith-chart and its usage Smith-chart (Bell ab. 95's) Γ in in ~ Γ exp j + + j j tanθ tanθ ~ ~ + Γ θ ~ +Γ Γ in in in in Impedance Transforming How to use Smith-chart Matching Circuit Design Smith Chart Single-stub Matching 5

6 Microstrip ine Effective permittivity and guided wavelength Characteristic Impedance Several notes : Finite conductor thickness Microstrip ine (Effective Permittivity) Coaxial ine 38 log b a ε r Pair-cable ine cosh b a 6

7 Coplanar Waveguide Slot ine Meta Material Right-Hand Transmission ine eft-hand Transmission ine Composite RH/H Transmission ine Compact Directional Coupler Super-ense RHT HT 7

8 8

9 S-parameter and RF Circuit Design S-parameter (95 s Nuclear Physics) voltage, current incident wave, reflected wave impedance reflection coefficient impedance matrix scattering matrix, [ S ] For lossless circuit, S-matrix Unitary Matrix For lossy circuit, it S S I Para-unitary For Reciprocal circuit, S-matrix Symmetric matrix 9

10 SVD (Singular Value Decomposition) SU DV (Youla) U,V : Unitary matrix (ossless Circuit) D: Diagonal Matrix ( Isolated n-port circuit) D Diag[λ,, λ n ] Generalization of Darlington realization ossless + λ n port λ λ i < λ i > resistance negative resistance V U + λ λ n n Basics of RF Circuit Design Impedance Matching Circuits g : Generator Impedance g : oad Impedance Conjugate Matching

11 Unilateral Transducer Gain G TU (For the case, S Reverse transfer coefficient from output to input) S S FET S - parameter S S G ( Γs ) ( Γ ) TU S SΓs SΓ Gs G G G TU,max S S S Input and Output Matching Circuit Unilateral Gain U : Mason s Invariant Circuit Invariant Unilateral Gain (U) Maximum Available Gain (MAG) Noise Measure (M) -state diode (m Q) Circulator Invariant (α) Directional Coupler Invariant (K) Unilateralization of a two-port network

12 Available Power -state device e g P av g e oss ess e e ( ) P av 4 R 4R o g o g e g On-state impedance, Off-state impedance M - / +* Invariant w.r.t. ossless port connection M Γ-Γ / -ΓΓ* Optimum BPSK Direct Modulation Design RF Devices Passive Components / Circuits Reactance Elements Distributed-element: Open-stub, Short-stub, ine Gap Wide ine, Narrow ine umped-element: Spiral Inductor, Gap Capacitor, Thin Film Capacitor Attenuators: Thin Film Resistor Impedance Transformers: Quarter-wavelength Impedance Transformer in

13 Resonator: umped Element Type Microstrip ine Type Dielectric Resonator Type (Good Ceramic) Distributing Components / Circuits Directional Coupler: Power Monitor, Balanced Type Modulator / Amplifier / Mixer ossless reciprocal matched two-fold symmetry 4-port Perfect Directional Coupler with 9deg. Phase Difference Coupled ine Type Inter-digital Type Branch ine Type Rat-race Type Power Divider / Combiner: Perfect Matching + Perfect Isolation Absorbing Resistance Filter ow Pass Filter (PF):, C adder Filter Band Pass Filter (BPF): Half-wavelength transmission line resonator Band Stop Filter (BSF): Branch-line Coupler 3

14 Transmission Scheme and RF Circuits Block diagram of Transceiver Objectives: ow Power Consumption, Higher Frequency, Small Size, ow Weight Basic configuration of RF Circuits: Super-Heterodyne TX evel Diagram Mixer: Up-conversion Down-conversion Amplifier: Power Amp. (TX) ow Noise Amp. (RX) Oscillator: ocal Oscillator Filter: PF, BPF 4

15 RX evel Diagram Digital RF Circuits RF-CMOS Technology Analog Signal Processing & Digital Signal Processing Continuous Time & Discrete Time Direct Conversion & Sampling Built-in RF Self Test & Calibration 5

16 6

17 7

18 8

19 9

RF Devices and RF Circuit Design for Digital Communication

RF Devices and RF Circuit Design for Digital Communication RF Devices and RF Circuit Design for Digital Communication Agenda Fundamentals of RF Circuits Transmission ine Reflection Coefficient & Smith Chart Impedance Matching S-matrix Representation Amplifiers

More information

Lecture 4. Maximum Transfer of Power. The Purpose of Matching. Lecture 4 RF Amplifier Design. Johan Wernehag Electrical and Information Technology

Lecture 4. Maximum Transfer of Power. The Purpose of Matching. Lecture 4 RF Amplifier Design. Johan Wernehag Electrical and Information Technology Johan Wernehag, EIT Lecture 4 RF Amplifier Design Johan Wernehag Electrical and Information Technology Design of Matching Networks Various Purposes of Matching Voltage-, Current- and Power Matching Design

More information

Chapter 4 Impedance Matching

Chapter 4 Impedance Matching Chapter 4 Impedance Matching Quarter-wave transformer, series section transformer Stub matching, lumped element networks, feed point location 3 Gamma match 4 Delta- and T-match, Baluns -port network Smith

More information

Lecture 4 RF Amplifier Design. Johan Wernehag, EIT. Johan Wernehag Electrical and Information Technology

Lecture 4 RF Amplifier Design. Johan Wernehag, EIT. Johan Wernehag Electrical and Information Technology Lecture 4 RF Amplifier Design Johan Wernehag, EIT Johan Wernehag Electrical and Information Technology Lecture 4 Design of Matching Networks Various Purposes of Matching Voltage-, Current- and Power Matching

More information

RF AND MICROWAVE ENGINEERING

RF AND MICROWAVE ENGINEERING RF AND MICROWAVE ENGINEERING FUNDAMENTALS OF WIRELESS COMMUNICATIONS Frank Gustrau Dortmund University of Applied Sciences and Arts, Germany WILEY A John Wiley & Sons, Ltd., Publication Preface List of

More information

Amateur Extra Manual Chapter 9.4 Transmission Lines

Amateur Extra Manual Chapter 9.4 Transmission Lines 9.4 TRANSMISSION LINES (page 9-31) WAVELENGTH IN A FEED LINE (page 9-31) VELOCITY OF PROPAGATION (page 9-32) Speed of Wave in a Transmission Line VF = Velocity Factor = Speed of Light in a Vacuum Question

More information

Microwave Circuit Analysis and Amplifier Design

Microwave Circuit Analysis and Amplifier Design Microwave Circuit Analysis and Amplifier Design SAMUEL Y. LIAO Professor of Electrical Engineering California State University, Fresno PRENTICE-HALL, INC., Englewood Cliffs, New Jersey 07632 Contents PREFACE

More information

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK SUBJECT NAME & CODE: EC2403 & RF AND MICROWAVE ENGINEERING UNIT I

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK SUBJECT NAME & CODE: EC2403 & RF AND MICROWAVE ENGINEERING UNIT I FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Senkottai Village, Madurai Sivagangai Main Road, Madurai -625 020 An ISO 9001:2008 Certified Institution DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING

More information

Transmission Lines. Ranga Rodrigo. January 27, Antennas and Propagation: Transmission Lines 1/72

Transmission Lines. Ranga Rodrigo. January 27, Antennas and Propagation: Transmission Lines 1/72 Transmission Lines Ranga Rodrigo January 27, 2009 Antennas and Propagation: Transmission Lines 1/72 1 Standing Waves 2 Smith Chart 3 Impedance Matching Series Reactive Matching Shunt Reactive Matching

More information

Microwave Engineering Third Edition

Microwave Engineering Third Edition Microwave Engineering Third Edition David M. Pozar University of Massachusetts at Amherst WILEY John Wiley & Sons, Inc. ELECTROMAGNETIC THEORY 1 1.1 Introduction to Microwave Engineering 1 Applications

More information

EC Transmission Lines And Waveguides

EC Transmission Lines And Waveguides EC6503 - Transmission Lines And Waveguides UNIT I - TRANSMISSION LINE THEORY A line of cascaded T sections & Transmission lines - General Solution, Physical Significance of the Equations 1. Define Characteristic

More information

EC6503 Transmission Lines and WaveguidesV Semester Question Bank

EC6503 Transmission Lines and WaveguidesV Semester Question Bank UNIT I TRANSMISSION LINE THEORY A line of cascaded T sections & Transmission lines General Solution, Physicasignificance of the equations 1. Derive the two useful forms of equations for voltage and current

More information

Γ L = Γ S =

Γ L = Γ S = TOPIC: Microwave Circuits Q.1 Determine the S parameters of two port network consisting of a series resistance R terminated at its input and output ports by the characteristic impedance Zo. Q.2 Input matching

More information

Microwave and RF Engineering

Microwave and RF Engineering Microwave and RF Engineering Volume 1 An Electronic Design Automation Approach Ali A. Behagi and Stephen D. Turner BT Microwave LLC State College, PA 16803 Copyrighted Material Microwave and RF Engineering

More information

S-parameters. Jvdtang. RFTE course, #3: RF specifications and system design (I) 73

S-parameters. Jvdtang. RFTE course, #3: RF specifications and system design (I) 73 S-parameters RFTE course, #3: RF specifications and system design (I) 73 S-parameters (II) Linear networks, or nonlinear networks operating with signals sufficiently small to cause the networks to respond

More information

Transmission Lines. Ranga Rodrigo. January 13, Antennas and Propagation: Transmission Lines 1/46

Transmission Lines. Ranga Rodrigo. January 13, Antennas and Propagation: Transmission Lines 1/46 Transmission Lines Ranga Rodrigo January 13, 2009 Antennas and Propagation: Transmission Lines 1/46 1 Basic Transmission Line Properties 2 Standing Waves Antennas and Propagation: Transmission Lines Outline

More information

. From the above data, determine the network is symmetric or not.

. From the above data, determine the network is symmetric or not. Velammal College of Engineering and Technology, Madurai Department of Electronics and Communication Engineering Question Bank Subject Name: EC2353 Antennas And Wave Propagation Faculty: Mrs G VShirley

More information

Design of Microstrip Coupled Line Bandpass Filter Using Synthesis Technique

Design of Microstrip Coupled Line Bandpass Filter Using Synthesis Technique Design of Microstrip Coupled Line Bandpass Filter Using Synthesis Technique 1 P.Priyanka, 2 Dr.S.Maheswari, 1 PG Student, 2 Professor, Department of Electronics and Communication Engineering Panimalar

More information

7. Experiment K: Wave Propagation

7. Experiment K: Wave Propagation 7. Experiment K: Wave Propagation This laboratory will be based upon observing standing waves in three different ways, through coaxial cables, in free space and in a waveguide. You will also observe some

More information

RF circuits design Grzegorz Beziuk. RF Amplifier design. References

RF circuits design Grzegorz Beziuk. RF Amplifier design. References RF circuits design Grzegorz Beziuk RF Amplifier design References [1] Tietze U., Schenk C., Electronic circuits : handbook for design and applications, Springer 008 [] Pozar D. M., Microwave engineering

More information

ECEN 5014, Spring 2009 Special Topics: Active Microwave Circuits Zoya Popovic, University of Colorado, Boulder

ECEN 5014, Spring 2009 Special Topics: Active Microwave Circuits Zoya Popovic, University of Colorado, Boulder ECEN 5014, Spring 2009 Special Topics: Active Microwave Circuits Zoya opovic, University of Colorado, Boulder LECTURE 3 MICROWAVE AMLIFIERS: INTRODUCTION L3.1. TRANSISTORS AS BILATERAL MULTIORTS Transistor

More information

QUESTION BANK SUB. NAME: RF & MICROWAVE ENGINEERING SUB. CODE: EC 2403 BRANCH/YEAR/: ECE/IV UNIT 1 TWO PORT RF NETWORKS- CIRCUIT REPRESENTATION

QUESTION BANK SUB. NAME: RF & MICROWAVE ENGINEERING SUB. CODE: EC 2403 BRANCH/YEAR/: ECE/IV UNIT 1 TWO PORT RF NETWORKS- CIRCUIT REPRESENTATION QUESTION BANK SUB. NAME: RF & MICROWAVE ENGINEERING SUB. CODE: EC 2403 SEM: VII BRANCH/YEAR/: ECE/IV UNIT 1 TWO PORT RF NETWORKS- CIRCUIT REPRESENTATION 1. What is RF? 2. What is an RF tuner? 3. Define

More information

CHAPTER - 6 PIN DIODE CONTROL CIRCUITS FOR WIRELESS COMMUNICATIONS SYSTEMS

CHAPTER - 6 PIN DIODE CONTROL CIRCUITS FOR WIRELESS COMMUNICATIONS SYSTEMS CHAPTER - 6 PIN DIODE CONTROL CIRCUITS FOR WIRELESS COMMUNICATIONS SYSTEMS 2 NOTES 3 INTRODUCTION PIN DIODE CONTROL CIRCUITS FOR WIRELESS COMMUNICATIONS SYSTEMS Chapter 6 discusses PIN Control Circuits

More information

Impedance Matching Techniques for Mixers and Detectors. Application Note 963

Impedance Matching Techniques for Mixers and Detectors. Application Note 963 Impedance Matching Techniques for Mixers and Detectors Application Note 963 Introduction The use of tables for designing impedance matching filters for real loads is well known [1]. Simple complex loads

More information

ALMA MEMO #360 Design of Sideband Separation SIS Mixer for 3 mm Band

ALMA MEMO #360 Design of Sideband Separation SIS Mixer for 3 mm Band ALMA MEMO #360 Design of Sideband Separation SIS Mixer for 3 mm Band V. Vassilev and V. Belitsky Onsala Space Observatory, Chalmers University of Technology ABSTRACT As a part of Onsala development of

More information

EC TRANSMISSION LINES AND WAVEGUIDES TRANSMISSION LINES AND WAVEGUIDES

EC TRANSMISSION LINES AND WAVEGUIDES TRANSMISSION LINES AND WAVEGUIDES TRANSMISSION LINES AND WAVEGUIDES UNIT I - TRANSMISSION LINE THEORY 1. Define Characteristic Impedance [M/J 2006, N/D 2006] Characteristic impedance is defined as the impedance of a transmission line measured

More information

MICROWAVE ENGINEERING-II. Unit- I MICROWAVE MEASUREMENTS

MICROWAVE ENGINEERING-II. Unit- I MICROWAVE MEASUREMENTS MICROWAVE ENGINEERING-II Unit- I MICROWAVE MEASUREMENTS 1. Explain microwave power measurement. 2. Why we can not use ordinary diode and transistor in microwave detection and microwave amplification? 3.

More information

Description and Laboratory Evaluation of a Prototype LMR Multiband Antenna System

Description and Laboratory Evaluation of a Prototype LMR Multiband Antenna System Description and Laboratory Evaluation of a Prototype LMR Multiband Antenna System Steve Ellingson September 20, 2010 Contents 1 Introduction 2 2 Design 2 3 Performance 2 Bradley Dept. of Electrical & Computer

More information

LECTURE 6 BROAD-BAND AMPLIFIERS

LECTURE 6 BROAD-BAND AMPLIFIERS ECEN 54, Spring 18 Active Microwave Circuits Zoya Popovic, University of Colorado, Boulder LECTURE 6 BROAD-BAND AMPLIFIERS The challenge in designing a broadband microwave amplifier is the fact that the

More information

Microwaves - Lecture Notes - v Dr. Serkan Aksoy Microwaves. Lecture Notes. Dr. Serkan Aksoy. v.1.3.4

Microwaves - Lecture Notes - v Dr. Serkan Aksoy Microwaves. Lecture Notes. Dr. Serkan Aksoy. v.1.3.4 Microwaves - Lecture Notes - v.1.3.4 Dr. Serkan Aksoy - 2009 Microwaves Lecture Notes Dr. Serkan Aksoy v.1.3.4 2009 http://www.gyte.edu.tr/gytenet/dosya/102/~saksoy/ana.html Content 1. LUMPED CIRCUIT MODEL

More information

ELC 4396 RF/Microwave Circuits I Fall 2011 Final Exam December 9, 2011 Open Book/Open Notes 2 hours

ELC 4396 RF/Microwave Circuits I Fall 2011 Final Exam December 9, 2011 Open Book/Open Notes 2 hours Name ELC 4396 RF/Microwave Circuits I Fall 2011 Final Exam December 9, 2011 Open Book/Open Notes 2 hours 1. The exam is open-book/open-notes. 2. A calculator may be used to assist with the test. No laptops

More information

Power Dividers and Directional Couplers (7)

Power Dividers and Directional Couplers (7) Microwave Circuits 1 Power Dividers and Directional Couplers (7) The T-Junction Power Divider(7.2) Lossless Divider 1. Lossless 2. Match at the input port. 3. Mismatch at the output ports. 4. No isolation

More information

Microwave Devices and Circuit Design

Microwave Devices and Circuit Design Microwave Devices and Circuit Design Ganesh Prasad Srivastava Vijay Laxmi Gupta MICROWAVE DEVICES and CIRCUIT DESIGN GANESH PRASAD SRIVASTAVA Professor (Retired) Department of Electronic Science University

More information

Exercises for the Antenna Matching Course

Exercises for the Antenna Matching Course Exercises for the Antenna Matching Course Lee Vishloff, PEng, IEEE WCP C-160302-1 RELEASE 1 Notifications 2016 Services, Inc. All rights reserved. The and Services Inc. stylized text belongs to tech-knows

More information

VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur-603 203 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING EC6503 TRANSMISSION LINES AND WAVEGUIDES YEAR / SEMESTER: III / V ACADEMIC YEAR:

More information

Microwave Circuit Design and Measurements Lab. INTRODUCTION TO MICROWAVE MEASUREMENTS: DETECTION OF RF POWER AND STANDING WAVES Lab #2

Microwave Circuit Design and Measurements Lab. INTRODUCTION TO MICROWAVE MEASUREMENTS: DETECTION OF RF POWER AND STANDING WAVES Lab #2 EE 458/558 Microwave Circuit Design and Measurements Lab INTRODUCTION TO MICROWAVE MEASUREMENTS: DETECTION OF RF POWER AND STANDING WAVES Lab #2 The purpose of this lab is to gain a basic understanding

More information

Introduction to RF Measurement and Nonideal Components The Vector Network Analyzer UCSB - ECE145A/ECE218A Winter 2007

Introduction to RF Measurement and Nonideal Components The Vector Network Analyzer UCSB - ECE145A/ECE218A Winter 2007 Goals: Introduction to RF Measurement and Nonideal Components The Vector Network Analyzer UCSB - ECE145A/ECE218A Winter 2007 (a) Introduction to the vector network analyzer and measurement of S-parameters.

More information

Research Article Compact and Wideband Parallel-Strip 180 Hybrid Coupler with Arbitrary Power Division Ratios

Research Article Compact and Wideband Parallel-Strip 180 Hybrid Coupler with Arbitrary Power Division Ratios Microwave Science and Technology Volume 13, Article ID 56734, 1 pages http://dx.doi.org/1.1155/13/56734 Research Article Compact and Wideband Parallel-Strip 18 Hybrid Coupler with Arbitrary Power Division

More information

MICROSTRIP AND WAVEGUIDE PASSIVE POWER LIMITERS WITH SIMPLIFIED CONSTRUCTION

MICROSTRIP AND WAVEGUIDE PASSIVE POWER LIMITERS WITH SIMPLIFIED CONSTRUCTION Journal of Microwaves and Optoelectronics, Vol. 1, No. 5, December 1999. 14 MICROSTRIP AND WAVEGUIDE PASSIVE POWER IMITERS WITH SIMPIFIED CONSTRUCTION Nikolai V. Drozdovski & ioudmila M. Drozdovskaia ECE

More information

MICROWAVE MICROWAVE TRAINING BENCH COMPONENT SPECIFICATIONS:

MICROWAVE MICROWAVE TRAINING BENCH COMPONENT SPECIFICATIONS: Microwave section consists of Basic Microwave Training Bench, Advance Microwave Training Bench and Microwave Communication Training System. Microwave Training System is used to study all the concepts of

More information

(i) Determine the admittance parameters of the network of Fig 1 (f) and draw its - equivalent circuit.

(i) Determine the admittance parameters of the network of Fig 1 (f) and draw its - equivalent circuit. I.E.S-(Conv.)-1995 ELECTRONICS AND TELECOMMUNICATION ENGINEERING PAPER - I Some useful data: Electron charge: 1.6 10 19 Coulomb Free space permeability: 4 10 7 H/m Free space permittivity: 8.85 pf/m Velocity

More information

ECE 145A and 218A. Transmission-line properties, impedance-matching exercises

ECE 145A and 218A. Transmission-line properties, impedance-matching exercises ECE 145A and 218A. Transmission-line properties, impedance-matching exercises Problem #1 This is a circuit file to study a transmission line. The 2 resistors are included to allow easy disconnection of

More information

Electromagnetics, Microwave Circuit and Antenna Design for Communications Engineering

Electromagnetics, Microwave Circuit and Antenna Design for Communications Engineering Electromagnetics, Microwave Circuit and Antenna Design for Communications Engineering Second Edition Peter Russer ARTECH HOUSE BOSTON LONDON artechhouse.com Contents Preface xvii Chapter 1 Introduction

More information

Microwave Engineering

Microwave Engineering Microwave Circuits 1 Microwave Engineering 1. Microwave: 300MHz ~ 300 GHz, 1 m ~ 1mm. a. Not only apply in this frequency range. The real issue is wavelength. Historically, as early as WWII, this is the

More information

Microwave Circuits 1.1 INTRODUCTION

Microwave Circuits 1.1 INTRODUCTION Microwave Circuits 1.1 INTRODUCTION The term microwave circuits means different things to different people. The prefix micro comes from the Greek fiikpog (micros) and among its various meanings has the

More information

APPLIED ELECTROMAGNETICS: EARLY TRANSMISSION LINES APPROACH

APPLIED ELECTROMAGNETICS: EARLY TRANSMISSION LINES APPROACH APPLIED ELECTROMAGNETICS: EARLY TRANSMISSION LINES APPROACH STUART M. WENTWORTH Auburn University IICENTBN Nlfll 1807; WILEY 2 OO 7 ; Ttt^TlLtftiTTu CONTENTS CHAPTER1 Introduction 1 1.1 1.2 1.3 1.4 1.5

More information

Application Note 5525

Application Note 5525 Using the Wafer Scale Packaged Detector in 2 to 6 GHz Applications Application Note 5525 Introduction The is a broadband directional coupler with integrated temperature compensated detector designed for

More information

The Principle V(SWR) The Result. Mirror, Mirror, Darkly, Darkly

The Principle V(SWR) The Result. Mirror, Mirror, Darkly, Darkly The Principle V(SWR) The Result Mirror, Mirror, Darkly, Darkly 1 Question time!! What do you think VSWR (SWR) mean to you? What does one mean by a transmission line? Coaxial line Waveguide Water pipe Tunnel

More information

Design of Planar Dual-Band Branch-Line Coupler with π-shaped Coupled Lines

Design of Planar Dual-Band Branch-Line Coupler with π-shaped Coupled Lines Progress In Electromagnetics Research Letters, Vol. 55, 113 12, 215 Design of Planar Dual-Band Branch-Line Coupler with π-shaped Coupled Lines Yu Cao, Jincai Wen *, Hui Hong, and Jun Liu Abstract In this

More information

INVENTION DISCLOSURE- ELECTRONICS SUBJECT MATTER IMPEDANCE MATCHING ANTENNA-INTEGRATED HIGH-EFFICIENCY ENERGY HARVESTING CIRCUIT

INVENTION DISCLOSURE- ELECTRONICS SUBJECT MATTER IMPEDANCE MATCHING ANTENNA-INTEGRATED HIGH-EFFICIENCY ENERGY HARVESTING CIRCUIT INVENTION DISCLOSURE- ELECTRONICS SUBJECT MATTER IMPEDANCE MATCHING ANTENNA-INTEGRATED HIGH-EFFICIENCY ENERGY HARVESTING CIRCUIT ABSTRACT: This paper describes the design of a high-efficiency energy harvesting

More information

Low Cost Mixer for the 10.7 to 12.8 GHz Direct Broadcast Satellite Market

Low Cost Mixer for the 10.7 to 12.8 GHz Direct Broadcast Satellite Market Low Cost Mixer for the.7 to 12.8 GHz Direct Broadcast Satellite Market Application Note 1136 Introduction The wide bandwidth requirement in DBS satellite applications places a big performance demand on

More information

Bandpass Filters Using Capacitively Coupled Series Resonators

Bandpass Filters Using Capacitively Coupled Series Resonators 8.8 Filters Using Coupled Resonators 441 B 1 B B 3 B N + 1 1 3 N (a) jb 1 1 jb jb 3 jb N jb N + 1 N (b) 1 jb 1 1 jb N + 1 jb N + 1 N + 1 (c) J 1 J J Z N + 1 0 Z +90 0 Z +90 0 Z +90 0 (d) FIGURE 8.50 Development

More information

Lines and Slotlines. Microstrip. Third Edition. Ramesh Garg. Inder Bahl. Maurizio Bozzi ARTECH HOUSE BOSTON LONDON. artechhouse.

Lines and Slotlines. Microstrip. Third Edition. Ramesh Garg. Inder Bahl. Maurizio Bozzi ARTECH HOUSE BOSTON LONDON. artechhouse. Microstrip Lines and Slotlines Third Edition Ramesh Garg Inder Bahl Maurizio Bozzi ARTECH HOUSE BOSTON LONDON artechhouse.com Contents Preface xi Microstrip Lines I: Quasi-Static Analyses, Dispersion Models,

More information

Microstrip Lines and Slotlines

Microstrip Lines and Slotlines Microstrip Lines and Slotlines Second Edition K.C. Gupta Ramesh Garg Inder Bahl Prakash Bhartia Artech House Boston London Contents Preface to the Second Edition Preface to the First Edition Chapter 1

More information

A 10:1 UNEQUAL GYSEL POWER DIVIDER USING A CAPACITIVE LOADED TRANSMISSION LINE

A 10:1 UNEQUAL GYSEL POWER DIVIDER USING A CAPACITIVE LOADED TRANSMISSION LINE Progress In Electromagnetics Research Letters, Vol. 32, 1 10, 2012 A 10:1 UNEQUAL GYSEL POWER DIVIDER USING A CAPACITIVE LOADED TRANSMISSION LINE Y. Kim * School of Electronic Engineering, Kumoh National

More information

Transmission Lines. Chapter 24. Basic Theory of Transmission Lines

Transmission Lines. Chapter 24. Basic Theory of Transmission Lines Chapter 24 Transmission Lines Basic Theory of Transmission Lines The desirability of installing an antenna in a clear space, not too near buildings or power and telephone lines, cannot be stressed too

More information

COMPACT BRANCH-LINE COUPLER FOR HARMONIC SUPPRESSION

COMPACT BRANCH-LINE COUPLER FOR HARMONIC SUPPRESSION Progress In Electromagnetics Research C, Vol. 16, 233 239, 2010 COMPACT BRANCH-LINE COUPLER FOR HARMONIC SUPPRESSION J. S. Kim Department of Information and Communications Engineering Kyungsung University

More information

High Frequency Passive Components

High Frequency Passive Components EECS 142 Laboratory #1 High Frequency Passive Components Prof. A. M. Niknejad and Dr. Joel Dunsmore University of California Berkeley, CA 94720 August 1, 2008 1 SMT Component SMA Connector 1 Introduction

More information

Design of Duplexers for Microwave Communication Systems Using Open-loop Square Microstrip Resonators

Design of Duplexers for Microwave Communication Systems Using Open-loop Square Microstrip Resonators International Journal of Electromagnetics and Applications 2016, 6(1): 7-12 DOI: 10.5923/j.ijea.20160601.02 Design of Duplexers for Microwave Communication Charles U. Ndujiuba 1,*, Samuel N. John 1, Taofeek

More information

R.K.YADAV. 2. Explain with suitable sketch the operation of two-cavity Klystron amplifier. explain the concept of velocity and current modulations.

R.K.YADAV. 2. Explain with suitable sketch the operation of two-cavity Klystron amplifier. explain the concept of velocity and current modulations. Question Bank DEPARTMENT OF ELECTRONICS AND COMMUNICATION SUBJECT- MICROWAVE ENGINEERING(EEC-603) Unit-III 1. What are the high frequency limitations of conventional tubes? Explain clearly. 2. Explain

More information

Microstrip Line Discontinuities Simulation at Microwave Frequencies

Microstrip Line Discontinuities Simulation at Microwave Frequencies Microstrip Line Discontinuities Simulation at Microwave Frequencies Dr. A.K. Rastogi 1* (FIETE), (MISTE), Munira Bano 1, Manisha Nigam 2 1. Department of Physics & Electronics, Institute for Excellence

More information

CHAPTER 4. Practical Design

CHAPTER 4. Practical Design CHAPTER 4 Practical Design The results in Chapter 3 indicate that the 2-D CCS TL can be used to synthesize a wider range of characteristic impedance, flatten propagation characteristics, and place passive

More information

Vector Network Analyzer Application note

Vector Network Analyzer Application note Vector Network Analyzer Application note Version 1.0 Vector Network Analyzer Introduction A vector network analyzer is used to measure the performance of circuits or networks such as amplifiers, filters,

More information

Design of Low Noise Amplifier for Wimax Application

Design of Low Noise Amplifier for Wimax Application IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-issn: 2278-1676,p-ISSN: 2320-3331, Volume 6, Issue 1 (May. - Jun. 2013), PP 87-96 Design of Low Noise Amplifier for Wimax Application

More information

MICROSTRIP PHASE INVERTER USING INTERDIGI- TAL STRIP LINES AND DEFECTED GROUND

MICROSTRIP PHASE INVERTER USING INTERDIGI- TAL STRIP LINES AND DEFECTED GROUND Progress In Electromagnetics Research Letters, Vol. 29, 167 173, 212 MICROSTRIP PHASE INVERTER USING INTERDIGI- TAL STRIP LINES AND DEFECTED GROUND X.-C. Zhang 1, 2, *, C.-H. Liang 1, and J.-W. Xie 2 1

More information

Impedance Matching of a Loaded Microstrip Transmission Line by Parasitic Elements

Impedance Matching of a Loaded Microstrip Transmission Line by Parasitic Elements Impedance Matching of a Loaded Microstrip Transmission Line by Parasitic Elements H. Matzner 1, S. Ouzan 1, H. Moalem 1, and I. Arie 1 1 HIT Holon Institute of Technology, Department of Communication Engineering,

More information

3. LITERATURE REVIEW. 3.1 The Planar Inverted-F Antenna.

3. LITERATURE REVIEW. 3.1 The Planar Inverted-F Antenna. 3. LITERATURE REVIEW The commercial need for low cost and low profile antennas for mobile phones has drawn the interest of many researchers. While wire antennas, like the small helix and quarter-wavelength

More information

A 5 GHz LNA Design Using Neural Smith Chart

A 5 GHz LNA Design Using Neural Smith Chart Progress In Electromagnetics Research Symposium, Beijing, China, March 23 27, 2009 465 A 5 GHz LNA Design Using Neural Smith Chart M. Fatih Çaǧlar 1 and Filiz Güneş 2 1 Department of Electronics and Communication

More information

ECEN 4634/5634, MICROWAVE AND RF LABORATORY

ECEN 4634/5634, MICROWAVE AND RF LABORATORY ECEN 4634/5634, MICROWAVE AND RF LABORATORY Final Exam December 18, 2017 7:30-10:00pm 150 minutes, closed book, 1 sheet allowed, no calculators (estimates need to be within 3dB) Part 1 (60%). Briefly answer

More information

ECE 3065: Electromagnetic Applications Final Exam (Spring 2004)

ECE 3065: Electromagnetic Applications Final Exam (Spring 2004) Name: GTID: ECE 3065: Electromagnetic Applications Final Exam (Spring 2004) Please read all instructions before continuing with the test. This is a closed notes, closed book, closed calculator, closed

More information

COMPACT MICROSTRIP BANDPASS FILTERS USING TRIPLE-MODE RESONATOR

COMPACT MICROSTRIP BANDPASS FILTERS USING TRIPLE-MODE RESONATOR Progress In Electromagnetics Research Letters, Vol. 35, 89 98, 2012 COMPACT MICROSTRIP BANDPASS FILTERS USING TRIPLE-MODE RESONATOR K. C. Lee *, H. T. Su, and M. K. Haldar School of Engineering, Computing

More information

Chapter 12: Transmission Lines. EET-223: RF Communication Circuits Walter Lara

Chapter 12: Transmission Lines. EET-223: RF Communication Circuits Walter Lara Chapter 12: Transmission Lines EET-223: RF Communication Circuits Walter Lara Introduction A transmission line can be defined as the conductive connections between system elements that carry signal power.

More information

1. What is the unit of electromotive force? (a) volt (b) ampere (c) watt (d) ohm. 2. The resonant frequency of a tuned (LRC) circuit is given by

1. What is the unit of electromotive force? (a) volt (b) ampere (c) watt (d) ohm. 2. The resonant frequency of a tuned (LRC) circuit is given by Department of Examinations, Sri Lanka EXAMINATION FOR THE AMATEUR RADIO OPERATORS CERTIFICATE OF PROFICIENCY ISSUED BY THE DIRECTOR GENERAL OF TELECOMMUNICATIONS, SRI LANKA 2004 (NOVICE CLASS) Basic Electricity,

More information

A broadband 180 hybrid ring coupler using a microstrip-to-slotline inverter Riaan Ferreira and Johan Joubert

A broadband 180 hybrid ring coupler using a microstrip-to-slotline inverter Riaan Ferreira and Johan Joubert A broadband 180 hybrid ring coupler using a microstrip-to-slotline inverter Riaan Ferreira and Johan Joubert Centre for Electromagnetism, Department of EEC Engineering, University of Pretoria, Pretoria,

More information

CHAPTER - 3 PIN DIODE RF ATTENUATORS

CHAPTER - 3 PIN DIODE RF ATTENUATORS CHAPTER - 3 PIN DIODE RF ATTENUATORS 2 NOTES 3 PIN DIODE VARIABLE ATTENUATORS INTRODUCTION An Attenuator [1] is a network designed to introduce a known amount of loss when functioning between two resistive

More information

What is a matching network?

What is a matching network? Impedance Matching and Tuning Matching networks are used to match the impedance of one system to another Match is important for several reasons: Provides for maximum power transfer (e.g. carrying power

More information

A Broadband High-Efficiency Rectifier Based on Two-Level Impedance Match Network

A Broadband High-Efficiency Rectifier Based on Two-Level Impedance Match Network Progress In Electromagnetics Research Letters, Vol. 72, 91 97, 2018 A Broadband High-Efficiency Rectifier Based on Two-Level Impedance Match Network Ling-Feng Li 1, Xue-Xia Yang 1, 2, *,ander-jialiu 1

More information

DEFECTED MICROSTRIP STRUCTURE BASED BANDPASS FILTER

DEFECTED MICROSTRIP STRUCTURE BASED BANDPASS FILTER DEFECTED MICROSTRIP STRUCTURE BASED BANDPASS FILTER M.Subhashini, Mookambigai college of engineering, Tamilnadu, India subha6688@gmail.com ABSTRACT A defected microstrip structure (DMS) unit is proposed

More information

EECS 117. Lecture 5: Transmission Line Impedance Matching. Prof. Niknejad. University of California, Berkeley

EECS 117. Lecture 5: Transmission Line Impedance Matching. Prof. Niknejad. University of California, Berkeley EECS 117 Lecture 5: Transmission Line Impedance Matching Prof. Niknejad University of California, Berkeley University of California, Berkeley EECS 117 Lecture 5 p. 1/2 Open Line I/V The open transmission

More information

New Configurations for RF/Microwave Filters

New Configurations for RF/Microwave Filters New Configurations for RF/Microwave Filters Presented by: Jeremy Fejfar Applications Engineer CST of America, Inc. 1 www.cst.com Sep-06 Outline Introduction Conventional Filter Theory Need for Folded Transmission

More information

FINAL BACHELOR THESIS PRESENTATION

FINAL BACHELOR THESIS PRESENTATION FINAL BACHELOR THESIS PRESENTATION TOPIC DESIGN AND OPTIMISE AN AIR-BRIDGE CROSSING FOR A BUTLER MATRIX IN MICROSTRIP TECHNOLOGY IN DIELECTRIC LAMINATE BY ANOM EBENEZER SUPERVISOR PROF. DR.-ING. K. SOLBACH

More information

Microwave Circuits Design. Microwave Filters. high pass

Microwave Circuits Design. Microwave Filters. high pass Used to control the frequency response at a certain point in a microwave system by providing transmission at frequencies within the passband of the filter and attenuation in the stopband of the filter.

More information

(a) The insertion loss is the average value of the transmission coefficient, S12 (db), in the passband (Figure 1 Label A)

(a) The insertion loss is the average value of the transmission coefficient, S12 (db), in the passband (Figure 1 Label A) Lab 6-1: Microwave Multiport Circuits In this lab you will characterize several different multiport microstrip and coaxial components using a network analyzer. Some, but not all, of these components have

More information

A Low-Loss VHF/UHF Diplexer

A Low-Loss VHF/UHF Diplexer A Low-Loss / Diplexer Why use two lengths of expensive feed line when one will do? This hy box lets you use one feed line for both energy, simultaneously! By Pavel Zanek, OK1DNZ Do you need to operate

More information

Design and Analysis of Multi-Frequency Unequal-Split Wilkinson Power Divider using Non-Uniform Transmission Lines

Design and Analysis of Multi-Frequency Unequal-Split Wilkinson Power Divider using Non-Uniform Transmission Lines 248 ACES JOURNAL, VOL. 27, NO. 3, MARCH 212 Design and Analysis of Multi-Frequency Unequal-Split Wilkinson Power Divider using Non-Uniform Transmission Lines Derar Hawatmeh 1, Khair Al Shamaileh 2, and

More information

Department of Electrical Engineering University of North Texas

Department of Electrical Engineering University of North Texas Name: Shabuktagin Photon Khan UNT ID: 10900555 Instructor s Name: Professor Hualiang Zhang Course Name: Antenna Theory and Design Course ID: EENG 5420 Email: khan.photon@gmail.com Department of Electrical

More information

Power Combiners, Impedance Transformers and Directional Couplers: Part III

Power Combiners, Impedance Transformers and Directional Couplers: Part III From February 8 High Frequency Electronics Copyright 8 Summit Technical Media, LLC Power Combiners, Impedance Transformers and Directional Couplers: Part III By Andrei Grebennikov Microwave hybrids This

More information

FINAL YEAR PROJECT REPORT

FINAL YEAR PROJECT REPORT Department of Electronic Engineering FINAL YEAR PROJECT REPORT BEngECE-2008/09-QNX-02 Small Hybrid Rat-race coupler Student Name: Chui Man Chung Student ID: Supervisor: Dr. XUE, Quan Assessor: Prof. YUNG,

More information

Lecture 20: Passive Mixers

Lecture 20: Passive Mixers EECS 142 Lecture 20: Passive Mixers Prof. Ali M. Niknejad University of California, Berkeley Copyright c 2005 by Ali M. Niknejad A. M. Niknejad University of California, Berkeley EECS 142 Lecture 20 p.

More information

Introduction: Planar Transmission Lines

Introduction: Planar Transmission Lines Chapter-1 Introduction: Planar Transmission Lines 1.1 Overview Microwave integrated circuit (MIC) techniques represent an extension of integrated circuit technology to microwave frequencies. Since four

More information

From the Design-Guide menu on the ADS Schematic window, select (Filters Design-Guide) > Utilities > Smith Chart Control Window.

From the Design-Guide menu on the ADS Schematic window, select (Filters Design-Guide) > Utilities > Smith Chart Control Window. Objectives: 1. To understand the function of transmission line stubs. 2. To perform impedance matching graphically using the smith chart utility in ADS. 3. To calculate the transmission line parameters

More information

RF Circuit Synthesis for Physical Wireless Design

RF Circuit Synthesis for Physical Wireless Design RF Circuit Synthesis for Physical Wireless Design Overview Subjects Review Of Common Design Tasks Break Down And Dissect Design Task Review Non-Synthesis Methods Show A Better Way To Solve Complex Design

More information

ELEC4604. RF Electronics. Experiment 2

ELEC4604. RF Electronics. Experiment 2 ELEC4604 RF Electronics Experiment MICROWAVE MEASUREMENT TECHNIQUES 1. Introduction and Objectives In designing the RF front end of a microwave communication system it is important to appreciate that the

More information

Simulation Study of Broadband LNA for Software Radio Application.

Simulation Study of Broadband LNA for Software Radio Application. Simulation Study of Broadband LNA for Software Radio Application. Yazid Mohamed, Norsheila Fisal and Mazlina Esa June 000 Telemetics and Optic Panel Faculty of Electrical Engineering University Technology

More information

Range Considerations for RF Networks

Range Considerations for RF Networks TI Technology Days 2010 Range Considerations for RF Networks Richard Wallace Abstract The antenna can be one of the most daunting components of wireless designs. Most information available relates to large

More information

EE 3324 Electromagnetics Laboratory

EE 3324 Electromagnetics Laboratory EE 3324 Electromagnetics Laboratory Experiment #10 Microstrip Circuits and Measurements 1. Objective The objective of Experiment #8 is to investigate the application of microstrip technology. A precision

More information

Case Study: Parallel Coupled-Line Combline Filter. Microwave filter design. Specifications. Case Study: Parallel Coupled- Line Combline Filter

Case Study: Parallel Coupled-Line Combline Filter. Microwave filter design. Specifications. Case Study: Parallel Coupled- Line Combline Filter MIROWAVE AND RF DESIGN MIROWAVE AND RF DESIGN ase Study: Parallel oupled- ine ombline Filter ase Study: Parallel oupled-ine ombline Filter Presented by Michael Steer Reading: 6. 6. 5 b t b 5 S (db) 6 S

More information

A COMPACT DUAL-BAND POWER DIVIDER USING PLANAR ARTIFICIAL TRANSMISSION LINES FOR GSM/DCS APPLICATIONS

A COMPACT DUAL-BAND POWER DIVIDER USING PLANAR ARTIFICIAL TRANSMISSION LINES FOR GSM/DCS APPLICATIONS Progress In Electromagnetics Research Letters, Vol. 1, 185 191, 29 A COMPACT DUAL-BAND POWER DIVIDER USING PLANAR ARTIFICIAL TRANSMISSION LINES FOR GSM/DCS APPLICATIONS T. Yang, C. Liu, L. Yan, and K.

More information

Chapter-2 LOW PASS FILTER DESIGN 2.1 INTRODUCTION

Chapter-2 LOW PASS FILTER DESIGN 2.1 INTRODUCTION Chapter-2 LOW PASS FILTER DESIGN 2.1 INTRODUCTION Low pass filters (LPF) are indispensable components in modern wireless communication systems especially in the microwave and satellite communication systems.

More information

NH-67, TRICHY MAIN ROAD, PULIYUR, C.F , KARUR DT. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING COURSE MATERIAL

NH-67, TRICHY MAIN ROAD, PULIYUR, C.F , KARUR DT. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING COURSE MATERIAL NH-67, TRICHY MAIN ROAD, PULIYUR, C.F. 639 114, KARUR DT. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING COURSE MATERIAL Subject Name: Microwave Engineering Class / Sem: BE (ECE) / VII Subject

More information