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A diplexer-matching dual-band power amplifier LTCC module for IEEE 802.11a/b/g wireless LANs

We have developed a compact dual-band (2.4/5 GHz) power-amplifier module with a concurrent two-stage InGaP/GaAs HBT for triple-mode (IEEE 802.11a/b/g) WLANs. The proposed diplexer-matching network is three-dimensionally implemented in an LTCC substrate (5/spl times/5 mm). The module exhibits an outp...

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Main Authors:	Kunihiro, K., Yamanouchi, S., Miyazaki, T., Aoki, Y., Ikuina, K., Ohtsuka, T., Hida, H.
Format:	Conference Proceeding
Language:	English
Subjects:	Amplifiers Applied sciences Circuit properties Costs Dual band Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Impedance matching Local area networks Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits National electric code OFDM Power amplifiers Power electronics, power supplies Power generation Radiofrequency amplifiers Wireless LAN
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creator	Kunihiro, K. Yamanouchi, S. Miyazaki, T. Aoki, Y. Ikuina, K. Ohtsuka, T. Hida, H.
description	We have developed a compact dual-band (2.4/5 GHz) power-amplifier module with a concurrent two-stage InGaP/GaAs HBT for triple-mode (IEEE 802.11a/b/g) WLANs. The proposed diplexer-matching network is three-dimensionally implemented in an LTCC substrate (5/spl times/5 mm). The module exhibits an output power of 20 dBm at 2.4 GHz, and 18 dBm at 5.25 GHz with an error vector magnitude of 4-5% for a 54-Mbps OFDM signal. Our approach of using a concurrent dual-band PA reduces the size and cost by almost half compared with using a conventional parallel PA.
doi_str_mv	10.1109/RFIC.2004.1320603
format	conference_proceeding
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identifier	ISSN: 1529-2517
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language	eng
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source	IEEE Xplore All Conference Series
subjects	Amplifiers Applied sciences Circuit properties Costs Dual band Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Impedance matching Local area networks Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits National electric code OFDM Power amplifiers Power electronics, power supplies Power generation Radiofrequency amplifiers Wireless LAN
title	A diplexer-matching dual-band power amplifier LTCC module for IEEE 802.11a/b/g wireless LANs
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