16.360 Lecture 11 Today: impedance matcing Vg(t) A’ A Tarnsmission line ZLZL Z0Z0 Z in Zg IiIi Matching network Z in = Z 0.

Slides:



Advertisements
Similar presentations
Waves and Transmission Lines Wang C. Ng. Traveling Waves.
Advertisements

Lecture 7 Last lecture Standing wave Input impedance i(z) = V(z) = V 0 ( ) + +  e jzjz - e -j  z (e(e + V0V0 Z0Z0 e jzjz  ) |V(z)| = | V.
Lecture 4 Antenna Impedance Matching
EKT241 – ELECTROMAGNETICS THEORY
UNIVERSITI MALAYSIA PERLIS
ELEC 412 -Lecture 171 ELEC 412 RF & Microwave Engineering Fall 2004 Lecture 17.
ELEC Lecture 181 ELEC 412 RF & Microwave Engineering Fall 2004 Lecture 18.
Lecture 12 Last lecture: impedance matching Vg(t) A’ A Tarnsmission line ZLZL Z0Z0 Z in Zg IiIi Matching network Z in = Z 0.
ELEC 412Lecture 51 ELEC 412 RF & Microwave Engineering Fall 2004 Lecture 5.
Lecture 6 Last lecture: Wave propagation on a Transmission line Characteristic impedance Standing wave and traveling wave Lossless transmission.
Helix Antenna Helix Antenna Array Design and Measurements By Ivette Betancourt.
Lecture 2 Transmission lines 1.Transmission line parameters, equations 2.Wave propagations 3.Lossless line, standing wave and reflection coefficient.
ENEE482-Dr. Zaki1 Impedance Matching with Lumped Elements YLYL jX 1 jB 2.
Lecture 9 Last lecture Parameter equations input impedance.
Smith Chart Graphically solves the following bi-linear formulas Note: works for admittance too. Just switch sign of 
Lecture 9 Last lecture Power flow on transmission line.
Chapter 5: Impedance Matching and Tuning
Prof. Ji Chen Notes 13 Transmission Lines (Impedance Matching) ECE Spring 2014.
Lecture 4.  1.5 The terminated lossless transmission line What is a voltage reflection coefficient? Assume an incident wave ( ) generated from a source.
Exercise. Try this A 100-Ω transmission line is connected to a load consisting of a 100-Ω resistor in series with a 10pF capacitor with 100Mhz signal.
5. Impedance Matching and Tuning
Lecture 13 Matching TEM Lines & RLC Resonators
ENE 490 Applied Communication Systems Lecture 3 Stub matching, single- and two-port networks DATE: 27/11/06.
IMPEDANCE MATCHING IN HIGH FREQUENCY LINES UNIT - III.
Maximum Gain Amplifiers For the two-port network shown below, It is well known that maximum power transfer from the source to the transistor occurs when:
Lecture 9 Smith Chart Normalized admittance z and y are directly opposite each other on.
Lecture 12 Smith Chart & VSWR
Prof. David R. Jackson Dept. of ECE Notes 3 ECE Microwave Engineering Fall 2011 Smith Chart Examples 1.
Intro. to the Smith Chart Transmission Line Applications.
ELECTROMAGNETICS AND APPLICATIONS Lecture 11 RF & Microwave TEM Lines Luca Daniel.
4/24/2017 Transmission Lines 1.
Smith Chart - 1 Transmission Lines and Waveguides 4. The Smith Chart by Nannapaneni Narayana Rao.
Prof. David R. Jackson Notes 13 Transmission Lines (Impedance Matching) ECE 3317 [Chapter 6]
Lecture 4 Transmission lines 1.Transmission line parameters, equations 2.Wave propagations 3.Lossless line, standing wave and reflection coefficient.
TELECOMMUNICATIONS Dr. Hugh Blanton ENTC 4307/ENTC 5307.
Lecture II Objective: Representation of sequence components
Look at a distance z = - L toward the generator -z ZLZL ZcZc z = 0.
Lecture 3.
The Smith Chart Developed in 1939 by P. W. Smith as a graphical tool to analyze and design transmission-line circuits Today, it is used to characterize.
Lecture 5 Last lecture: Transmission line parameters Types of transmission lines Lumped-element model Transmission line equations Telegrapher’s.
Notes 16 ECE Microwave Engineering Fall 2015 Impedance Matching Prof. David R. Jackson Dept. of ECE 1.
Figure 11.1 Figure 11.1 Basic transmission line circuit, showing voltage and current waves initiated by closing switch S 1.
Antenna Matching Techniques
-z ZLZL ZcZc z = 0 -z ZLZL ZcZc z = 0 -z ZLZL ZcZc z = 0 -z ZLZL ZcZc z = 0 Eureka! Use a stub, somewhere. How long should it be?
ELEC 401 MICROWAVE ELECTRONICS Lecture on Matching
Lecture 8 Last lecture short circuit line open circuit line
Applied EM by Ulaby, Michielssen and Ravaioli
Chapter 10. Transmission lines
ELEC 401 MICROWAVE ELECTRONICS Lecture on Transient Analysis of TL
Standing Wave Lecture 7 Voltage maximum
ELEC 401 MICROWAVE ELECTRONICS Lecture on Smith Chart
Determining Input Impedance of given lumped circuit elements with TL segments. A lossless TL, with a characteristic load impedance of ZL=100+j75Ω is shown.
ENE 429 Antenna and Transmission Lines Theory
Non-ideal property – crosstalk
I'.II'.I. I I I - - -
ELEC 401 MICROWAVE ELECTRONICS Lecture on Transient Analysis of TL
I made an impedance matching circuit but forgot which impedance was originally matched. Find the unknown load impedance. What is the impedance that the.
ENE 429 Antenna and Transmission lines Theory
ELEC 401 MICROWAVE ELECTRONICS Lecture on Smith Chart
ENE 429 Antenna and Transmission lines Theory
Smith Chart Parametric Equations
n --- IiIi.
··,--.,.,. ·.._. ·.., ' t... ' ' ;'I.1!; " ·( '·( ' ·), '+ "."
IMPEDANCE MATCHING & SMITH CHART
Smith chart applications
Notes 13 Transmission Lines (Impedance Matching)
Voltage Reflection Coefficient
Fields and Waves Lesson 1.5 TRANSMISSION LINES - LOAD MATCHING.
Chapter 5.2 Chapter 5.3 SINGLE-STUB TUNING DOUBLE-STUB TUNING
ENE 428 Microwave Engineering
Presentation transcript:

Lecture 11 Today: impedance matcing Vg(t) A’ A Tarnsmission line ZLZL Z0Z0 Z in Zg IiIi Matching network Z in = Z 0

Lecture 11 single-stub impedance matching network Vg(t) A’ A Transmission line ZLZL Y0Y0 M Zg IiIi l d M’ Y in YdYd YsYs An example A 50-  transmission line is connected to an antenna with in a load ZL = (25-j50) . Find the position and the length of the short-circuited stub required to match the line. Smith Chart

Lecture 11 Next lecture Transient on transmission line