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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…
Sudhanshu Maheshwari, Ankita Gangwar
A novel four-input three-output voltage-mode differential difference current conveyor (DDCC) based universal filter is presented. The circuit uses three DDCCs as active elements, two resistors and two capacitors as passive elements. The circuit along with its…
Manoj Kumar, Sandeep Kumar Arya, Sujata Pandey
In present work, improved designs for voltage controlled ring oscillators (VCO) using three transistors XNOR/XOR gates have been presented. Supply voltage has been varied from [1.8 - 1.2] V in proposed designs. In first method, the VCO design using three XNOR…
Arash Ahmadpour
This paper presents the design of a two-stage bulk-input pseudo-differential operational transconductance amplifier (OTA) and its application in active-RC filters. The OTA was designed in 90 nm CMOS process and operates at a single supply voltage of 0.5 V. Us…
Jin Young Choi, Choongkoo Park
We propose an input protection scheme composed of thyristor devices only without using a clamp NMOS device in order to minimize the area consumed by a pad structure in CMOS RF ICs. For this purpose, we suggest low-voltage triggering thyristor protection devic…
Sudeep Kanav, Satish Chand
Existing broadcasting schemes provide services for the stored videos. The basic approach in these schemes is to divide the video into segments and organize them over the channels for proper transmission. Some schemes use segments as a basic unit, whereas the…
Wagah Farman Mohammad
In this research thin film layers have been prepared at alternate layers of resistive and dielectric deposited on appropriate substrates to form four – terminal R-Y-NR network. If the gate of the MOS structures deposited as a strip of resistor film like NiCr,…
Qassim Nasir, Saleh Al-Araji
Zero Crossing Digital Phase Locked Loop with Arc Sine block (AS-ZCDPLL) is used to linearize the phase difference detection, and enhance the loop performance. The loop has faster acquisition, less steady state phase error, and wider locking range compared to…
Rajiv Soundararajan, Ashok Srivastava, Siva Sankar Yellampalli
In this paper, we present the implementation of a built-in current sensor (BICS) which takes into account the increased background current of defect-free circuits and the effects of process variation on ΔI<sub>DDQ</sub> testing of CMOS data converters. A 12-b…
Montree Kumngern
A new precision full-wave rectifier employing only two differential difference current conveyors, which is very suitable for CMOS technology implementation, is presented. The proposed rectifier is the voltage-mode circuit, which offers high-input and low-outp…
Nasreddine Benahmed, Nadia Benabdallah, Salima Seghier, Fethi Tarik Bendimerad, Boumedienne Benyoucef
Using the finite element method (FEM) in two dimensions and the CST MICROWAVE STUDIO<sup>®</sup> (CST MWS) Transient Solver, the electromagnetic (EM) analysis and the design of a novel compact ultra wideband (UWB) bandpass filter using rectangular coaxial cab…
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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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