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A New Transceiver Architecture for the 60-GHz Band

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2 Author(s)
Parsa, A. ; Electr. Eng. Dept., Univ. of California, Los Angeles, CA ; Razavi, B.

A new ldquohalf-RFrdquo architecture incorporates a polyphase filter in the signal path to allow the use of a local oscillator frequency equal to half the input frequency. The receiver performs 90deg phase shift and two downconversion steps to produce quadrature baseband outputs. The transmitter upconverts the quadrature baseband signals in two steps, applies the results to a polyphase filter, and sums its outputs. Each path employs a dedicated 30-GHz oscillator and is fabricated in 90-nm CMOS technology. The receiver achieves a noise figure of 5.7-7.1 dB and gain/phase mismatch of 1.1 dB/2.1deg while consuming 36 mW. The transmitter produces a maximum output level of -7.2 dBm and an image rejection of 20 dB while drawing 78 mW.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:44 ,  Issue: 3 )