Microwave power amplifier load pull tuning analysis and measurements

Started with some background information, Chapter 1 highlights the objective of this final year project. The purpose of this project is to identify the optimal load impedances for a power amplifier with regards to the various performances. Literature review is provided in Chapter 2. All the neces...

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Main Author: Liang, Qiong Fang.
Other Authors: Law Choi Look
Format: Final Year Project
Language:English
Published: 2009
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Online Access:http://hdl.handle.net/10356/20709
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-207092023-07-07T16:17:39Z Microwave power amplifier load pull tuning analysis and measurements Liang, Qiong Fang. Law Choi Look School of Electrical and Electronic Engineering Positioning and Wireless Technology Centre DRNTU::Engineering::Electrical and electronic engineering Started with some background information, Chapter 1 highlights the objective of this final year project. The purpose of this project is to identify the optimal load impedances for a power amplifier with regards to the various performances. Literature review is provided in Chapter 2. All the necessary and relative theories and principles are reviewed in this chapter. The basic operation principle of a BJT is explained firstly. GaAs HBT technology is then introduced. Following, classification of various power amplifiers is discussed, and their performances are compared. Next, 1dB Compression, Power Added Efficiency, Adjacent Channel Power Ratio are explained respectively. Subsequently, the purpose and application of the load-pull measurement is introduced. Finally, some functionalities of Vector Network Analyzer are illustrated. Chapter 3 consists of load-pull measurement procedures and measurement results. Before going into the procedures, some apparatus are briefly introduced. Load-pull measurement procedures include all the detailed steps and some considerations. In the end of this chapter, measurement results are presented. Software simulations are also conducted to model the physical measurement. The simulation details and results are described in Chapter 4. Upon all the measurements have been completed, the interpretation on the measurement results are presented in Chapter 5. The interpretation includes comparison and comments. Chapter 6 mentions some problems encountered during the measurement. Solutions for these problems are also provided. At the end of this report, the objective has been recalled. Some recommendations are also suggested. Bachelor of Engineering 2009-12-30T02:59:55Z 2009-12-30T02:59:55Z 2009 2009 Final Year Project (FYP) http://hdl.handle.net/10356/20709 en Nanyang Technological University 136 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering
spellingShingle DRNTU::Engineering::Electrical and electronic engineering
Liang, Qiong Fang.
Microwave power amplifier load pull tuning analysis and measurements
description Started with some background information, Chapter 1 highlights the objective of this final year project. The purpose of this project is to identify the optimal load impedances for a power amplifier with regards to the various performances. Literature review is provided in Chapter 2. All the necessary and relative theories and principles are reviewed in this chapter. The basic operation principle of a BJT is explained firstly. GaAs HBT technology is then introduced. Following, classification of various power amplifiers is discussed, and their performances are compared. Next, 1dB Compression, Power Added Efficiency, Adjacent Channel Power Ratio are explained respectively. Subsequently, the purpose and application of the load-pull measurement is introduced. Finally, some functionalities of Vector Network Analyzer are illustrated. Chapter 3 consists of load-pull measurement procedures and measurement results. Before going into the procedures, some apparatus are briefly introduced. Load-pull measurement procedures include all the detailed steps and some considerations. In the end of this chapter, measurement results are presented. Software simulations are also conducted to model the physical measurement. The simulation details and results are described in Chapter 4. Upon all the measurements have been completed, the interpretation on the measurement results are presented in Chapter 5. The interpretation includes comparison and comments. Chapter 6 mentions some problems encountered during the measurement. Solutions for these problems are also provided. At the end of this report, the objective has been recalled. Some recommendations are also suggested.
author2 Law Choi Look
author_facet Law Choi Look
Liang, Qiong Fang.
format Final Year Project
author Liang, Qiong Fang.
author_sort Liang, Qiong Fang.
title Microwave power amplifier load pull tuning analysis and measurements
title_short Microwave power amplifier load pull tuning analysis and measurements
title_full Microwave power amplifier load pull tuning analysis and measurements
title_fullStr Microwave power amplifier load pull tuning analysis and measurements
title_full_unstemmed Microwave power amplifier load pull tuning analysis and measurements
title_sort microwave power amplifier load pull tuning analysis and measurements
publishDate 2009
url http://hdl.handle.net/10356/20709
_version_ 1772827463614726144