A Low Power Integer-N Frequency Synthesizer for Global Position System

A Low Power Integer-N Frequency Synthesizer for Global Position System

碩士 === 國立交通大學 === 電信工程系所 === 92 === In this thesis, we demonstrate a low power synthesizer for global position system (GPS) which operates at 1.57GHz. For low power consumption consideration, we set the supply voltage at 1.5V, and adopt the “Integer-N” type frequency synthesizer to save power. For h...

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Bibliographic Details
Main Authors: Yaung Wang, 汪揚
Other Authors: M. –S. Kao
Format: Others
Language:en_US
Published: 2004
Online Access:http://ndltd.ncl.edu.tw/handle/5g5pbg
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spelling ndltd-TW-092NCTU54370352019-05-15T19:38:01Z http://ndltd.ncl.edu.tw/handle/5g5pbg A Low Power Integer-N Frequency Synthesizer for Global Position System 全球定位系統專用低功率整數N頻率合成器 Yaung Wang 汪揚 碩士 國立交通大學 電信工程系所 92 In this thesis, we demonstrate a low power synthesizer for global position system (GPS) which operates at 1.57GHz. For low power consumption consideration, we set the supply voltage at 1.5V, and adopt the “Integer-N” type frequency synthesizer to save power. For high integration issue, all circuits are integrated in single chip except the loop filter and the reference oscillator. This chip is fabricated by TSMC 0.25um. The measurement of power consumption is 14.1mW for 1.5V supply voltage. VCO consumes 6.8mW, frequency divider consumes 6.6mW, charge pump consumes 0.64mW, and phase/frequency detector consumes less than 1mW. M. –S. Kao , Christina F. Jou 高銘盛 周復芳 2004 學位論文 ; thesis 61 en_US
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language en_US
format Others
sources NDLTD
description 碩士 === 國立交通大學 === 電信工程系所 === 92 === In this thesis, we demonstrate a low power synthesizer for global position system (GPS) which operates at 1.57GHz. For low power consumption consideration, we set the supply voltage at 1.5V, and adopt the “Integer-N” type frequency synthesizer to save power. For high integration issue, all circuits are integrated in single chip except the loop filter and the reference oscillator. This chip is fabricated by TSMC 0.25um. The measurement of power consumption is 14.1mW for 1.5V supply voltage. VCO consumes 6.8mW, frequency divider consumes 6.6mW, charge pump consumes 0.64mW, and phase/frequency detector consumes less than 1mW.
author2 M. –S. Kao ,
author_facet M. –S. Kao ,
Yaung Wang
汪揚
author Yaung Wang
汪揚
spellingShingle Yaung Wang
汪揚
A Low Power Integer-N Frequency Synthesizer for Global Position System
author_sort Yaung Wang
title A Low Power Integer-N Frequency Synthesizer for Global Position System
title_short A Low Power Integer-N Frequency Synthesizer for Global Position System
title_full A Low Power Integer-N Frequency Synthesizer for Global Position System
title_fullStr A Low Power Integer-N Frequency Synthesizer for Global Position System
title_full_unstemmed A Low Power Integer-N Frequency Synthesizer for Global Position System
title_sort low power integer-n frequency synthesizer for global position system
publishDate 2004
url http://ndltd.ncl.edu.tw/handle/5g5pbg
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