RF Power Amplifiers for Wireless Communications, Second Edition (Artech House Microwave Library (Hardcover))
60GHz single-chip CMOS digital radios and phased array solutions for gaming and connectivity
IEEE Journal on Selected Areas in Communications - Special issue on realizing GBPS wireless personal area networks
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An amplifier topology based on a transformer-coupled cascode stage is presented and compared with the most used solutions for sub-μm CMOS power amplifiers, which are the common-source stage, cascode stage, and capacitive-coupled cascode stage. The comparison was carried out by designing each amplifier in a 65-nm CMOS technology and for a 60-GHz operating frequency. The design was optimized for a trade off among power gain, saturated output power, and linearity. Operating from a 1.2-V supply voltage, the proposed amplifier improves both small-signal and large-signal performance with respect to the most common approaches, thus demonstrating effectiveness with sub-μm CMOS technologies and mm-wave operation.