Design of a 60 GHz 32% PAE Class-AB PA with 2nd Harmonic Control in 45-nm PD-SOI CMOS

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Ciocoveanu, Radu ; Weigel, Robert ; Hagelauer, Amelie ; Issakov, Vadim:
Design of a 60 GHz 32% PAE Class-AB PA with 2nd Harmonic Control in 45-nm PD-SOI CMOS.
In: IEEE Transactions on Circuits and Systems I : Regular Papers. Bd. 67 (2020) Heft 8 . - S. 2635-2646.
ISSN 1558-0806
DOI: https://doi.org/10.1109/TCSI.2020.2984042

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Abstract

This paper presents a 60 GHz highly efficient singlestage differential stacked Class-AB power amplifier (PA) with second harmonic control (HC) for short range applications using mm-wave radar. The circuit is realized in a 45nm partially depleted sillicon-on-insulator (PD-SOI) CMOS technology. Measurement results show that the power amplifier achieves a saturated output power (P sat ) of 16.4dBm with a competitive maximum power-added efficiency (PAE max ) of 32% at 60 GHz. The output-referred 1-dB compression point (OP1dB) is 9.5 dBm. Furthermore, the circuit draws 40mA from a single 1.8V supply and the chip core size is 0.36mm ×0.35 mm.