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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…
Kenichi Ohhata, Wataru Yoshimura, Daiki Tabira, Futoshi Shimozono, Masataro Iwamoto
A subranging analog-to-digital converter (ADC) features high-speed and relatively low-power. The limiting factors of power reduction in subranging ADCs are the resistor ladder and the comparator. We propose an ADC architecture combining a capacitive digital-t…
Jack Ou, Pietro M. Ferreira, Jui-Chu Lee
Recent studies using BSIM3 models have suggested that noise depends on the transconductance-to-drain ratio g m / I D of a transistor. However, to the best of our knowledge, no experimental result demonstrating g m / I D dependent noise previously observed in…
Mudit Shukla, G. R. Mishra
Digital filters play a key role in the field of digital signal processing. This paper presents a linear phase digital low pass finite impulse response (FIR) filter design using particle swarm optimization and its two new variants, dynamic and adjustable parti…
Raed Bani-Hani, Salah Harb, Khaldoon Mhaidat, Eyad Taqieddin
One of the most popular standards for protecting confidential information is the Data Encryption Standard (DES). Although it has been replaced by the Advanced Encryption Standard (AES), it is still widely used in Automatic Teller Machines (ATM’s), smartcards,…
Ting Li, Chao You
A domain extension algorithm to correct the comparator offsets of pipeline analog-to-digital converters (ADCs) is presented, in which the 1.5-bit/stage ADC quantify domain is extended from a three-domain to a five-domain. This algorithm is designed for high s…
Warsame H. Ali, Yongpeng Zhang, Jian Zhang, John H. Fuller, Leang-San Shieh
This paper describes an approximated-scalar-sign-function-based anti-windup digital control design for analog nonlinear systems subject to input constraints. As input saturation occurs, the non-smooth saturation constraint is modeled with the approximated sca…
Mourad Bella, Saida Latreche, Samir Labiod, Christian Gontrand
A Colpitts oscillator, working around a 3 GHz frequency, contains a double gate Metal Oxide Semiconductor transistor (DGMOS). A mixed-mode analysis is involved, applying a quantum model to the device, whereas the rest of the considered circuit is governed by…
Dinesh Prasad, Javed Ahmad
A new electronically-controllable lossless floating inductance (FI) circuit (without any matching condition) has been presented, which employs only one Voltage Differencing Current Conveyor (VDCC), one grounded capaci tor and one grounded resistor. The main a…
Bahram Dehghan, Abdolreza Roozbeh, Jafar Zare
In recent studies, reversible logic has emerged as a great scene of research , having applications in low power CMOS circuits, optical computing, quantum computing and nanotechnology. The classical logic gates such as AND, OR, EXOR and EXNOR are not reversibl…
Ale Imran, Deepesh Arora, Rishabh Kumar
The recent advances in IC technology have led to the trend of designing hybrid systems to benefit both analog and the digital domain. Among analog circuits, multifunctional filter along with multiphase oscillator constitutes a building block of critical impor…
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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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