A single-chip multi-mode RF front-end circuit and module for W-CDMA, PCS, and GPS applications

A single-chip, multi-mode RF front-end circuit for W-CDMA, PCS, and GPS is implemented for direct conversion receiver. Each circuit includes a LNA, mixer and I/Q distributor. The IIP2 of this module (not in GPS band) is over +45 dBm with R LOAD tuning circuits. The noise figures are less than 3.5 dB...

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Hauptverfasser:	Huijung Kim, Changjoon Park, Sanghyeok Choi, Seonghan Ryu, Jongryul Lee, Bumman Kim
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Circuit noise Circuit optimization Global Positioning System Multiaccess communication Noise figure Noise measurement Personal communication networks Radio frequency RF signals Tuning
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creator	Huijung Kim Changjoon Park Sanghyeok Choi Seonghan Ryu Jongryul Lee Bumman Kim
description	A single-chip, multi-mode RF front-end circuit for W-CDMA, PCS, and GPS is implemented for direct conversion receiver. Each circuit includes a LNA, mixer and I/Q distributor. The IIP2 of this module (not in GPS band) is over +45 dBm with R LOAD tuning circuits. The noise figures are less than 3.5 dB in both W-CDMA and PCS bands, and 3.8 dB in GPS band. The silicon area is 5.06 mm 2 including the PADs. For a small size implementation, the circuit is integrated into a module whose size is 18 mm by 19 mm including SAW filters. The current consumptions from a 2.7 V supply in W-CDMA, PCS, and GPS modes are 37 mA, 37 mA, and 23 mA, respectively
doi_str_mv	10.1109/ECWT.2005.1617733
format	Conference Proceeding
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identifier	ISBN: 9782960055115
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source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Circuit noise Circuit optimization Global Positioning System Multiaccess communication Noise figure Noise measurement Personal communication networks Radio frequency RF signals Tuning
title	A single-chip multi-mode RF front-end circuit and module for W-CDMA, PCS, and GPS applications
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