White Papers

Development of a Single-Chip RF Front-End LSI for Wireless LAN With Transmission Line Based Matching Circuits

Overview In Direct Conversion Receiver (DCR) architecture, the design of mixer is one of the most important steps for a high-performance DCR because it involves the issues of flicker (1/f) noise and conversion gain simultaneously. So, minimizing 1/f noise while achieving high gain without sacrificing linearity for high performance DCR is one of the critical issues. A method to reduce noise factor of a down-conversion mixer by 5-6 dB and to increase conversion gain by 5-6 dB simultaneously has been proposed. In order to reduce the chip size, on-chip CPW lines has been employed to realize on-chip impedance matching circuits which saves 30-40% chip area than those using the spiral inductors.

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Publisher: Kyushu University
File Format: PDF
Date Published: Dec 6, 2007
Format: White Papers
Topics: Wireless LAN, Local Area Networks (LAN)

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