A CMOS W-Band 4x Quasi-Subharmonic Mixer

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Journal Article
IEEE Microwave and Wireless Components Letters, 2015, 25 (6), pp. 385 - 387
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© 2001-2012 IEEE. This letter reports a 4x W-band quasi-subharmonic down-conversion mixer in a 65 nm CMOS technology. Developed from subharmonic mixers, this mixer saves trouble in designing phase-shifters and works well within W-band. Down-conversion is achieved by capturing the phase difference between two sine waves at every half cycle of the local oscillator. The power gain is above 3.5 dB over the entire W-band. The minimum noise figure is 12.5 dB, and the 1 dB compression point is -1.2 dBm.
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