Design and Verification of On-Chip Impedance-Matching Circuit Using Transmission-Line Theory for 2.4GHz-Band Wireless Receiver Front-End(Passive Circuits/Components,<Special Section>Emerging Microwave Techniques)
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概要
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Recently, spiral inductors have widely been used instead of resistors in the design of matching circuits to enhance the thermal noise performance of a wireless transceiver. However, such elements usually have low quality factor (Q) and may encounter the self-resonance in microwave-frequency band which permits its use in higher frequencies, and on the other hand, they occupy the large on-chip space. This paper presents a new design theory for the impedance-matching circuits for a single-chip SiGe BiCMOS receiver front-end for 2.4GHz-band wireless LAN (IEEE802.11b). The presented matching circuits are composed of conductor-backed coplanar waveguide (CPW) meander-line resonators and impedance (K) inverter. The prototype front-end receiver is designed, fabricated and tested. A few of the measured results to verify the design theory are presented.
- 2006-12-01
著者
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POKHAREL Ramesh
Kyushu University
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KANAYA Haruichi
Kyushu University
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YOSHIDA Keiji
Kyushu University
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POKHAREL Ramesh
青山学院大学理工学部
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Yoshida Keiji
Kyushu Univ. Fukuoka‐shi Jpn
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Kanaya Haruichi
Kyushu Univ. Fukuoka‐shi Jpn
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KOGA Fuminori
Kyushu University
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ポカレル ラメシュ
Kyushu University
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