Debuggers have been proven indispensable in improving software reliability. Unfortunately, on most real-life software, debuggers fail to deliver their most essential feature a faithful replay of the execution. The reason is non-determinism caused by…
Papers in Systems and Control Theory
Systems and Control Theory papers in Computer and Information Science, A
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The aims of this randomized, single-blind crossover trial were to investigate the effect of adding a simulated bowling video game via the Nintendo Wii() gaming system to the standard exercise regimen of cognitively intact residents of long-term care…
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This paper presents a 10-bit 40-MS/s pipelined ADC in a 0.13-&x03BC;m CMOS process for subsampling applications. A simplified opamp-sharing scheme between two successive pipelined stages is proposed to reduce the power consumption. For subsampling,…
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A low-voltage low-power CMOS operational transconductance amplifier (OTA) with near rail-to-rail output swing is presented in this brief. The proposed circuit is based on the current-mirror OTA topology. In addition, several circuit techniques are…
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We propose a novel control method for lower- limb assist that produces a virtual modification of the mechanical impedance of the human limbs. This effect is accomplished through the use of an exoskeleton that displays active impedance. The proposed…
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A 1-V CMOS frequency synthesizer is proposed for wireless local area network 802.11a transceivers using a novel transformer-feedback voltage-controlled oscillator (VCO) for low voltage and a stacked frequency divider for low power. Implemented in a…
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This brief presents an efficient and configurable multiple-input-multiple-output (MIMO) signal detector design solution and its high-speed IC implementation. This detector can support 2 &x00D7; 2/3 &x00D7; 3/4 &x00D7; 4 MIMO and quadratic…
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A micropower CMOS voltage-to-current converter is introduced which has a widely linear differential-input swing with a low signal-distortion with a minimum supply voltage of 1.2 V. This proposed circuit can achieve an almost rail-to-rail…
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This paper shows the operating principle and experimental results of a new continuous-time sigma-delta modulator architecture. The proposed modulator does not require a multibit quantizer nor a mismatch-shaping digital-to-analog converter to produce…
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This paper presents a high-performance substrate-integrated-waveguide RF microelectromechanical systems (MEMS) tunable filter for 1.2&x2013;1.6-GHz frequency range. The proposed filter is developed using packaged RF MEMS switches and utilizes a…
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Injection-locked quadrature voltage-controlled oscillators are introduced in this paper as high accuracy, low phase noise, and low-power I and Q generators. A master voltage-controlled oscillator (VCO), running at twice the output frequency, locks…
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This paper presents a 10.0&x223C;11.5 Gb/s full-rate phase and frequency detector integrated with the clock recovery circuit (CRC) for application in optical receivers. A rotational phase and frequency detector (RPFD) without external reference…
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This 10-b 50-MSamples/s SAR analog-to-digital converter (ADC) features on-chip digital calibration techniques, comparator offset cancellation, a capacitor digital-to-analog converter (CDAC) linearity calibration, and internal clock control to…
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A 10-bit 300 MSample/s pipelined analog to digital converter (ADC) using time-interleaved successive approximation register (SAR) ADC in the first stage is presented. By replacing the front-end pipelined stages with energy-efficient SAR-ADC, power…
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A 10-bit 60-MS/s low-power CMOS pipelined analog-to-digital converter (ADC) is proposed. At the front-end, a timing-skew-insensitive double-sampled Miller-capacitance-based sample-and-hold circuit is employed to enhance the dynamic performance of…
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We aim at developing ultralight autonomous microflyers capable of navigating within houses or small built environments. Our latest prototype is a fixed-wing aircraft weighing a mere 10 g, flying below 2 m/s and carrying the necessary electronics for…
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A CMOS operational amplifier that has a common-mode rejection ratio (CMRR), a power-supply rejection ratio (PSRR), and gain above 100 dB for each of these parameters is described. This is achieved by combining a high output-impedance tail current…
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A novel bulk mode MEMS resonator is presented where mechanical motion is detected using the piezoresistive properties of Si. The piezoresistive readout allows for a high transduction efficiency. The transconductance gm obtained in this manner can be…
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A CMOS operational amplifier with 110 dB CMRR/PSRR/gain is described. High CMRR is achieved using a cascoded input stage with high output impedance tail current source. A lateral PNP transistor and low-threshold voltage MOS transistor are used to…
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This paper describes a ratio-independent algorithmic analog-digital (A/D) converter architecture that is insensitive to capacitance ratio, amplifier offset voltage, amplifier input parasitics, and flicker noise. It requires only one differential…
Papers in associated sub-disciplines
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