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A voltage reference circuit for current source of RFIC blocks

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Main Authors: Marzuki, Arjuna, Zaliman, Sauli, Ali Yeon, Md Shakaff
Format: Article
Language:English
Published: Emerald Group Publishing Limited 2009
Subjects:
Radio frequencies
Electric current
Oscillators
Semiconductor devices
Temperature
Voltage
Microwave integrated circuits
Oscillators, Transistor
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/6467
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spelling my.unimap-64672009-07-17T07:21:32Z A voltage reference circuit for current source of RFIC blocks Marzuki, Arjuna Zaliman, Sauli Ali Yeon, Md Shakaff Radio frequencies Electric current Oscillators Semiconductor devices Temperature Voltage Microwave integrated circuits Oscillators, Transistor Link to publisher's homepage at http://www.emeraldinsight.com/Insight/viewContainer.do?containerType=Journal&containerId=11275 Purpose - The purpose of this paper is to design a voltage reference circuit for current source of radio frequency integrated circuit blocks. The voltage reference circuit is called voltage for current source (VCS). Design/methodology/approach - The circuit concept is discussed. A voltage-controlled oscillator (VCO) and buffer circuit together with VCS circuit are built to prove the concept. Though the VCS circuit employs no array of diode like standard bandgap circuit, it still employs the concept of proportional to absolute temperature (PTAT) and a complement to absolute temperature (CTAT) elements. The integrated VCO, together with VCO core and VCO buffer circuits, are designed for W-CDMA application particularly for the demodulator section. All circuits are built in fT=45 GHz SiGe BiCMOS process. Findings - At 760 MHz the power consumption for core circuit is 0.6 and 3.3 mA for VCO buffer amplifier. The fabricated VCO circuit together with VCO buffer was tested and measured with VCO output of -6 dBm at 760 MHz with variation of 0.1 dBm across -40°C to 85°C. Originality/value - A voltage reference circuit which is derived from PTAT and CTAT current generators is presented. The circuit is capable of providing a constant current across absolute temperature or a current PTAT. 2009-07-17T07:21:32Z 2009-07-17T07:21:32Z 2008 Article Microelectronics International, vol.25 (3), 2008, pages 26-32. 1356-5362 www.emeraldinsight.com/10.1108/13565360810889593 http://hdl.handle.net/123456789/6467 en Emerald Group Publishing Limited
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Radio frequencies
Electric current
Oscillators
Semiconductor devices
Temperature
Voltage
Microwave integrated circuits
Oscillators, Transistor
spellingShingle Radio frequencies
Electric current
Oscillators
Semiconductor devices
Temperature
Voltage
Microwave integrated circuits
Oscillators, Transistor
Marzuki, Arjuna
Zaliman, Sauli
Ali Yeon, Md Shakaff
A voltage reference circuit for current source of RFIC blocks
description Link to publisher's homepage at http://www.emeraldinsight.com/Insight/viewContainer.do?containerType=Journal&containerId=11275
format Article
author Marzuki, Arjuna
Zaliman, Sauli
Ali Yeon, Md Shakaff
author_facet Marzuki, Arjuna
Zaliman, Sauli
Ali Yeon, Md Shakaff
author_sort Marzuki, Arjuna
title A voltage reference circuit for current source of RFIC blocks
title_short A voltage reference circuit for current source of RFIC blocks
title_full A voltage reference circuit for current source of RFIC blocks
title_fullStr A voltage reference circuit for current source of RFIC blocks
title_full_unstemmed A voltage reference circuit for current source of RFIC blocks
title_sort voltage reference circuit for current source of rfic blocks
publisher Emerald Group Publishing Limited
publishDate 2009
url http://dspace.unimap.edu.my/xmlui/handle/123456789/6467
_version_ 1643788569013125120
score 13.222552

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