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In this paper the experimental results of a compact low-power rectenna in paper substrate, designed to operate in the Wi-Fi band, are presented. The complete prototype, based on an annular slot antenna and a single-diode rectifier, features a weight of 1.5 grams and shows an RF-to-dc conversion efficiency in the design band of about 40 % for a −10 dBm available input power, of about 28 % at −15 dBm,...
This paper deals with the design of fully integrated, silicon microwave radiometers according to down-conversion and direct detections architectures. The low-noise amplification stages have been developed exploiting a state-of-the art 90 nm CMOS process, thus allowing a new class of miniaturized sensors (i.e. SoC microwave radiometers) to be conceived. The LNA developed for the down-conversion radiometric...
This paper deals with the design of a 5GHz WLAN heterodyne transmitter for domotic applications. The transmitter has been realized in commercial 0.35μm Si/SiGe BiCMOS technology with the purpose to reduce cost while achieve an high integration level. Measurements on a prototype, wire-bonded on a low-cost FR4 printed circuit board, have been carried-out showing an overall linear gain of 14dB an input...
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