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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…
Mousa Yousefi, Ziaadin Daie Koozehkanani, Jafar Sobhi, Hamid Jangi
This paper presents a 1.8 GHz class-E controlled power amplifier (PA). The proposed power amplifier is designed with two-stage architecture. The main advantage of the proposed technique for output control power is a high 37 dB output power dynamic range with…
Achwek Ben Saied, Samir Ben Salem, Dorra Sellami Masmoudi
In this paper, a new voltage-mode (VM) , all-pass filter utilizing two second-generation current conveyors and t ow differential difference current conveyors (DDCCs) is proposed. This filter uses a number of passive elements grounded capacitor. This structure…
Mamatha Gowda, Warsame H. Ali, Penrose Cofie, John Fuller
A novel digital implementation of speed controller for a Permanent Magnet Synchronous Motor (PMSM) with disturbance rejection using conventional observer combined with Extended Kalman Filter (EKF) is proposed. First, the EKF is constructed to achieve a precis…
Jongdae Kim, Sungchul Lee, Hyunchul Shin
To solve computationally expensive problems, multiple processor SoCs (MPSoCs) are frequently used. Mapping of applications to MPSoC architectures and scheduling of tasks are key problems in system level design of embedded systems. In this paper, a cluster sla…
Mihai Grigore Timis, Alexandru Valachi, Alexandru Barleanu, Andrei Stan
The paper consists in the use of some logical functions decomposition algorithms with application in the implementation of classical circuits like SSI, MSI and PLD. The decomposition methods use the Boolean matrix calculation. It is calculated the implementat…
Mihai Grigore Timis, Alexandru Valachi, Alexandru Barleanu, Andrei Stan
In this paper, the authors continue the researches described in [1], that consists in a comparative study of two methods to eliminate the static hazard from logical functions, by using the form of Product of Sums (POS), static hazard “0”. In the first method,…
Raghavendra Sharma, Vuppuluri Prem Pyara
In this paper, a robust DWPT based adaptive bock algorithm with modified threshold for denoising the sounds of musical instruments shehnai, dafli and flute is proposed. The signal is first segmented into multiple blocks depending upon the minimum mean square…
Pedro Bertemes-Filho, Alexandre Felipe, Volney C. Vincence
Howland circuits have been widely used as powerful source for exciting tissue over a wide frequency range. When a Howland source is designed, the components are chosen so that the designed source has the desired characteristics. However, the operational ampli…
Ravindra Singh Tomar, Sajai Vir Singh, Durg Singh Chauhan
This paper presents a current processing current-tunable universal biquad filter employing two current conveyor transconductance amplifiers (CCTAs) as active element and two grounded capacitors as passive element. It realizes all the five standard filtering r…
Meeti Dehran, Indu Prabha Singh, Kalyan Singh, Rabindra Kumar Singh
A switched capacitor biquad filter usin g current differ encing transconductance amplifier (CDTA) is presented in this paper. The proposed circui t employs only one CDTA, two virtually grounded capacitors and one switc hed capacitor. It is a resistorless circ…
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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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