A 300 GHz CMOS Transmitter Front-End for Ultrahigh-Speed Wireless Communications

Tuan Anh Vu, Minoru Fujishima

Abstract


This paper presents a 300 GHz transmitter front-end suitable for ultrahigh-speed wireless communications. The transmitter front-end realized in TSMC 40 nm CMOS consists of a common-source (CS) based doubler driven by a two-way D-band power amplifier (PA). Simulation results show that the two-way D-band PA obtains a peak gain of 21.6 dB over a -3 dB bandwidth from 132 GHz to 159 GHz. It exhibits a saturated power of 7.2 dBm and a power added efficiency (PAE) of 2.3%, all at 150 GHz. The CS based doubler results in an output power of 0.5 mW at 300 GHz. The transmitter front-end consumes a DC power of 205.8 mW from a 0.9 V supply voltage while it occupies an area of 2.1 mm2.

Keywords


Transmitter; Doubler; Power Amplifier; 300 GHz; Millimeter-Wave



DOI: http://dx.doi.org/10.11591/ijece.v7.i4.pp2278-2286

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