Analog Integrated Circuits and Signal Processing
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A 4-D four-wing chaotic system with widely chaotic regions and multiple transient transitions
Analog Integrated Circuits and Signal Processing - - 2024
In the paper, a novel four-wing chaotic system was constructed based on a Lorenz-like system. The novel chaotic system had rich dynamic characteristics such as four-wing attractors, widely chaotic regions, high SE complexity, and multiple transient transitions. Meanwhile, the weak chaotic attractors with single-wing and double-wing can be observed through changing the system parameters. NIST tests...... hiện toàn bộ
A Chip for Linearization of RF Power Amplifiers using Predistortion based on a Bit-Parallel Complex Multiplier
Analog Integrated Circuits and Signal Processing - Tập 22 - Trang 25-30 - 2000
This paper presents a custom chip for linearization of RF power amplifiers using digital predistortion. The chip has been implemented in a standard digital 0.8 μm CMOS process with standard static cells and single-phase clocking. A systolic complex multiplier based on distributed arithmetic constitutes the core of the chip. The nonlinear function is realized with a look-up table containing complex...... hiện toàn bộ
Construction of Nonlinear Dynamic MEMS Component Models Using Cosserat Theory
Analog Integrated Circuits and Signal Processing - Tập 40 - Trang 117-130 - 2004
This paper presents a new modelling method for MEMS components based on the Cosserat theory. By constructing Cosserat rod elements, generating symbolic code and developing numeric code in VHDL-AMS for selected demonstrators, we are able to effectively simulate and predict the essential linear and nonlinear behaviour in estimating system performance and guiding the reliability verification process....... hiện toàn bộ
Performance comparison of integrated fully-differential filterless class-D amplifiers with different feedback techniques
Analog Integrated Circuits and Signal Processing - Tập 76 - Trang 167-177 - 2013
Two integrated stereo fully differential filterless class-D amplifiers are presented in this paper. The object is to develop a modulation of a class-D audio amplifier with high power efficiency in this paper. The traditional H-bridge class-D audio amplifier has a shortcoming of large signal distortion which is worse than realized. However, the proposed circuit improves the drawback and provides hi...... hiện toàn bộ
Power fingerprinting in SDR integrity assessment for security and regulatory compliance
Analog Integrated Circuits and Signal Processing - Tập 69 - Trang 307-327 - 2011
Software-Defined Radio (SDR) provides a flexible platform that facilitates radio resource management and enables new technologies and applications. Unfortunately, their reliance on software implementations makes them vulnerable to malicious software attacks that could impact their spectral emissions and disclose sensitive information. It is of critical importance for the widespread deployment of S...... hiện toàn bộ
dv/dt Noise canceling circuit in ultra-high-voltage MOS gate drivers
Analog Integrated Circuits and Signal Processing - Tập 77 - Trang 271-276 - 2013
A novel small-sized voltage mode noise canceling circuit is introduced in order to remove the dv/dt noise in the ultra-high-voltage MOS gate drive IC more efficiently, accurately and steadily. The dv/dt noise is removed completely by the mutual controlling of the high-side voltage signal, which improves the incapability of the full removal of dv/dt noise by conventional noise remove circuit due to...... hiện toàn bộ
Silicon Sensor Systems
Analog Integrated Circuits and Signal Processing - - 1997
Silicon sensor systems are based on capability of siliconto serve as a basic material for monolithic cointegration ofsensors and electronics. Implementation of this cointegration,its advantages and benefits, and examples of silicon sensor systemsform the central part of this contribution.
Low power balanced balun LNA employing double noise-canceling techniques
Analog Integrated Circuits and Signal Processing - Tập 105 - Trang 305-318 - 2020
This paper presents a wideband low power balun LNA with double noise canceling techniques and symmetric outputs. First, the CS amplifier in parallel with the CG stage cancels the noise and distortion of the CG amplifier. Second, an auxiliary amplifier (Aux) is employed in the CS stage to reduces the noise of the CS stage and avoids traditional up scaling of the CS stage. Moreover, the employed Aux...... hiện toàn bộ
SITO electronically tunable high output impedance current-mode universal filter
Analog Integrated Circuits and Signal Processing - - 2006
A novel current-mode (CM) single-input and three-output (SITO) universal filter using two second generation current controlled conveyors (CCCIIs), one current follower (CF) and two capacitors is presented. The circuit is fully programmable and implements all the five generic filtering functions. The lowpass (LP), bandpass (BP), and highpass (HP) functions can be realized simultaneously while Notch...... hiện toàn bộ
A 4 GHz ΔΣ Fractional-N Frequency Synthesizer
Analog Integrated Circuits and Signal Processing - Tập 34 - Trang 77-87 - 2003
A 4 GHz ΔΣ fractional-N frequency synthesizer for wireless communications applications is implemented in a 0.35 μm BiCMOS process. The synthesizer achieves a close-in phase noise of −66 dBc/Hz. The key building blocks are an ECL multiple-modulus prescaler employing the phase-switching architecture to minimize the power dissipation, a digital third-order MASH ΔΣ-modulator that controls the modulus ...... hiện toàn bộ
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