CMOS 45 GHz vector modulator with gain/phase correction through calibration | Zendy

Juntunen E. | Zendy; Dawn D. | Zendy; Laskar J. | Zendy; Papapolymerou J. | Zendy

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CMOS 45 GHz vector modulator with gain/phase correction through calibration

Author(s) -

Juntunen E.,

Dawn D.,

Laskar J.,

Papapolymerou J.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2012.4001

Subject(s) - cmos , calibration , materials science , optoelectronics , electronic engineering , optical modulator , phase modulation , physics , engineering , phase noise , quantum mechanics

A 45 GHz vector modulator designed in 45 nm SOI CMOS is presented along with an open‐loop calibration technique for gain/phase correction. The continuous 360° vector modulator consists of a passive quadrature signal generation network followed by a Gilbert cell modulator. The simple, open‐loop calibration procedure results in RMS gain and phase errors less than 0.5 dB and 5°, respectively. The circuit consumes 18 mW of DC power from a 1 V supply.

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