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This paper presents a 10-GHz-band LC-tank voltage-controlled-oscillator (VCO) designed for high-frequency and low-phase-noise operation using commercial 0.18-mum CMOS technology. The complementary cross-coupled differential topology is adopted in the design in order to reduce phase-noise. The simulated phase-noise are of -90.1 dBc/Hz and -112 dBc/Hz at 100kHz and 1MHz offset frequency respectively,...
The purpose of this work is to explore the optimum LNA design that input impedance match, gain, noise figure, linearity, and power consumption, in this LNA design operating at the 10GHz has been simulated based on a TSMC 0.18-mum RF CMOS process. This paper presents a 10 GHz operation is designed and implemented in a standard cascode LNA technology for an 802.16a application. The LNA exhibits a noise...
A 10GHz double balanced Gilbert-cell mixer using 0.18-mum complementary metal oxide semiconductor (CMOS) technology is presented in this paper. This mixer has a noise figure of 13.1 dB and conversion gain 10.3 dB at 10GHz RF frequency under the supply voltage of 1.8 V. The power consumption of this mixer is about 0.6 mW at an IF frequency of 10 MHz. The active chip area is 1.1 times 0.9 mm2. The mixer...
This paper presents a novel gain control method for 2.4 GHz LNA applications. In this design, a digital mode gain control concept was implemented. This chip can accept an appropriate control bit that come from base band to achieve power saving. With digital mode gain control to achieve low noise and high 1dB compression point simultaneously without increasing any circuit and power consumption. Depend...
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