We present a novel fully differential input/output distributed transformer topology used for the design of millimeter-wave power amplifiers. Input/output distributed transformers are used to feed the input signal to four differential couples and to combine their output power. This topology improves the stability and the efficiency of the power amplifier, minimizing the chip area. The PA prototype realized in a standard 65nm CMOS technology, supplied with 1.2V, achieves a 1dB single-ended output power compression point of 14dBm at 56GHz with a PAE of 8.3%, occupying only 0.2mm2.
Millimeter-Wave 14dBm CMOS Power Amplifier with Input-Output Distributed Transformers / A., Pallotta; W., Eyssa; Larcher, Luca; R., Brama. - STAMPA. - (2010), pp. 1-4. (Intervento presentato al convegno 32nd Annual Custom Integrated Circuits Conference - The Showcase for Circuit Design in the Heart of Silicon Valley, CICC 2010 tenutosi a San Jose, CA, usa nel 19-22 Sept. 2010) [10.1109/CICC.2010.5617398].
Millimeter-Wave 14dBm CMOS Power Amplifier with Input-Output Distributed Transformers
LARCHER, Luca;
2010
Abstract
We present a novel fully differential input/output distributed transformer topology used for the design of millimeter-wave power amplifiers. Input/output distributed transformers are used to feed the input signal to four differential couples and to combine their output power. This topology improves the stability and the efficiency of the power amplifier, minimizing the chip area. The PA prototype realized in a standard 65nm CMOS technology, supplied with 1.2V, achieves a 1dB single-ended output power compression point of 14dBm at 56GHz with a PAE of 8.3%, occupying only 0.2mm2.Pubblicazioni consigliate
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