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Analog baseband beamformer for use in a phased-array 60 GHz transmitter Host Publication: 2012 IEEE 12th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF) Authors: V. Szortyka, K. Raczkowski, R. Vandebriel, M. Kuijk and P. Wambacq Publication Date: Jan. 2012 Number of Pages: 4
Abstract: This paper presents an analog baseband section that implements the beamforming functionality of a 40 nm digital low-power (LP) CMOS 60 GHz transmitter. An input 1dB compression point larger than 240 mV peak over the whole band is obtained, in a circuit operating with a 1.1 V supply. The targeted phase shift resolution of 22.5 degrees is obtained. Fully automatic, digitally assisted DC offset compensation is also present on-chip. The current consumption is 70 mA
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