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A 60-GHz two-path phased-array transmitter (TX) with linearity enhancement techniques in 28nm CMOS technology is presented. The design is based on the all-RF architecture with buffer amplifiers (BA), 5-bit RF switched LC phase shifters, variable gain amplifiers (VGA), linearity enhanced power amplifiers (PA), bias circuit, serial peripheral interface (SPI). The two-way TX array achieves a 30dB gain...
This paper presents a system-level analysis based on the OFDM PHY of IEEE 802.11ad standard and phase array antenna application. The quantitative relationships between system non-ideal factors and system level parameter error vector magnitude (EVM) are given. The focused factors in phase shift antenna are mainly phase shifter resolution, antenna configuration, and in RF impairments are phase noise,...
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