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We present an ultra-low-power SiGe BiCMOS receiver front-end for X-band phased-array radar systems. The receiver, which consists of two LNAs and a 3-bit phase shifter, consumes only 4 mW of DC power while achieving over 10 dB of gain, less than 5 dB noise figure, and an OTOI of over 10 dBm. In addition, the RMS gain and phase errors were less than 0.5 dB and 2deg, respectively. This design demonstrates...
In this paper, for the first time, silicon integrated tuner is presented to extract SiGe:C transistor (HBT) millimeter wave (MMW) noise parameters (NFmin, Rn, Gammaopt) extraction through multi-impedance method. This Tuner is directly integrated On-Wafer at the transistor test structure level. Design and electrical simulation of the tuner are described demonstrating capability from 60 GHz up to 110...
This paper describes the first demonstration of Doppler detection and data transmission at 140 GHz and 4 Gb/s through the air using a single-chip silicon transceiver at 140 GHz. The transceiver, which consists of a 140-GHz push-push VCO with a static divide-by-64 chain, a 140-GHz amplitude modulator, a 140-GHz LO amplifier, a fundamental frequency mixer, a 140-GHz LNA, and a variable gain IF amplifier,...
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