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Circuits and Systems (CS) is an international journal dedicated to the latest advancements in circuits and systems. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of circuits and…
Yasuhisa Omura, Yukio Iida
The feasibility of using the SOI-MOSFET as a quasi-diode to replace the Schottky-barrier diode in the Schenkel circuit is examined by device simulations primarily and experiments partly. Practical expressions of boost-up efficiency for d . c . condition and a…
Dinesh Prasad, Mayank Srivastava, Data Ram Bhaskar
An electronically controllable fully uncoupled explicit current-mode quadrature oscillator employing Voltage Differ encing Transconductance Amplifiers (VDTAs) as active elements has been presented. The proposed configuration em ploys two VDTAs along with grou…
Xiangao Huang, Chao Wang, Wei Huang, Junxian Li
The nonlinear filter Boolean function of LILI-128 stream cipher generator is studied in this paper. First we measure the complexity of the stream ciphers sequence of LILI-128 stream cipher generator and obtain the shortest bit stream se quence reconstructed B…
Davood Fathi, Baback Beig Mohammadi
Carbon Nano-Tube Field Effect Transistors (CNTFETS) are the competitor of the conventional MOSFET technology due to their higher current drive capability, ballistic transport, lesser power delay product, higher thermal stability, and so on. Based on these pro…
Mohammad Rafiq Beigh, Mohammad Mustafa, Firdous Ahmad
Quantum-dot cellular automaton (QCA) is an emerging, promising, future generation nanoelectronic computational architecture that encodes binary information as electronic charge configuration of a cell. It is a digital logic architecture that uses single elect…
Haleh Vahedi, Radu Muresan, Stefano Gregori
This paper presents a method for designing a class of countermeasures for DPA attacks based on attenuation of current variations. In this class of countermeasures, designers aim at decreasing the dynamic current variations to reduce the information that can b…
Abdoul Rjoub, Almotasem Bellah Alajlouni, Hassan Almanasrah
The development and the revolution of nanotechnology require more and effective methods to accurately estimating the timing analysis for any CMOS transistor level circuit. Many researches attempted to resolve the timing analysis, but the best method found til…
R. Rezaei, A. Ahmadpour, M. N. Moghaddasi
This paper presents the design of an ultra low-voltage (ULV) pseudo operational transconductance amplifier (P-OTA) that is able to operate with a single supply voltage as low as 0.4 V. The proposed circuit is based on the bulk-driven technique and use of cros…
Li Ke, Peter Wilson, Reuben Wilcock
This paper describes a novel time domain noise model for voltage controlled oscillators that accurately and efficiently predicts both tuning behavior and phase noise performance. The proposed method is based on device level flicker and thermal noise models th…
Angel Parra-Cerrada, Vicente González-Posadas, José Luis Jiménez-Martín, Alvaro Blanco
The purpose of this paper is to show the conditions that must be verified before use any of the classic linear analysis methods for oscillator design. If the required conditions are not verified, the classic methods can provide wrong solutions, and even when…
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Circuits and Systems (CS) is an international journal dedicated to the latest advancements in circuits and systems. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of circuits and… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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