Browsing MF, EHMB, Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 285
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Convergence of threshold networks using their dissipative system model
(John Wiley & Sons, 2000-05)A new dynamical energy system model representation is given for threshold networks. Inspired by the relation between stability and dissipativeness of dynamical systems, the convergence property of threshold networks is ... -
MOMCO: method of moment components for passive model order reduction of RLCG interconnects
(IEEE, 2001-04)We introduce a new concept called moment components and a new method based on it to obtain passive reduced-order models of interconnect networks. In this method, the impedance matrix moments of the interconnect network are ... -
New high performance realizations for current controlled conveyor (CCCII)
(İstanbul Üniversitesi, 2002)In this paper two new realizations, one CMOS and one bipolar, for current-controlled conveyor (CCCII) are proposed. The proposed circuits provide a good linearity, very high input impedance at port-y, high output impedance ... -
Realization and extensions of user programmable, single - level, double - threshold generalized prceptron
(İstanbul Üniversitesi, 2002)The implementation of a perceptron that can classify data separable by two parallel hyper-planes or equivalently of a Single-Level TL-XOR gate is proposed using 10 MOS transistors and 2 capacitors. The functional subblock ... -
Novel time domain radiowave propagators for wireless communication systems
(TÜBİTAK, 2002)In this study, novel time domain wave propagators are used in path loss calculations for macro and micro cell coverage planning in wireless communication systems. Both Transmission Line Matrix (TLM) and Finite-Difference ... -
Electromagnetic engineering in the 21st century: challenges and perspectives
(TÜBİTAK, 2002)This paper aims at a broad-brush look at certain technological and educational challenges that confront wave-oriented electromagnetic (EM) engineering in the 21st century, in a complex computer and technology-driven world ... -
SAR simulations in wireless communication and safety discussions in the society
(TÜBİTAK, 2002)Numerical simulation in cellular phone - human tissue interaction is discussed in this paper. The powerful time domain (TD) techniques, the transmission line matrix (TLM) and the finite-difference time-domain (FDTD) methods, ... -
A novel MoM approach for obtaining accurate and efficient solutions in optical rib waveguide
(TUBİTAK, 2002)The optical rib waveguide (ORW) plays an important role in the design of several integrated optical devices. Various methods have been proposed for obtaining the modal field solutions in ORW. However, to the best of our ... -
Groundwave propagation modeling: problem-matched analytical formulations and direct numerical techniques
(IEEE, 2002-02)In this overview of groundwave propagation, we address a particular class of propagation scenarios in the presence of surface terrain and atmospheric refractivity. Beginning with idealized analytically solvable models over ... -
Yer dalgası yayılımının zaman ve frekans domeninde sayısal modellemesi
(İstanbul Teknik Üniversitesi, 2002-12)Dünya üzerinde seçilen herhangi iki nokta arasındaki yer dalgası yayılım problemi, yirminci yüzyılın başından bu yana ilgi odağı olmasına karşın, henüz sayısal olarak hesaplanabilen analitik tam çözüm ya da genel olarak ... -
High swing CMOS realization for third generation current conveyor (CCIII)
(İstanbul Üniversitesi, 2003)In this paper a new CMOS realization for third generation current conveyor (CCIII) is proposed. The proposed circuit provides high swing range at terminals X and Y. The circuit has low input impedances at terminals X and ... -
Electronically tunable, active only floating inductance simulation
(Taylor & Francis, 2003)In this paper a new floating inductance simulator employing only active elements is proposed. The proposed circuit uses one internally compensated operational amplifier and one dual output current controlled conveyor ... -
New current-mode integrator and all-pass section without external passive elements and their application to design a dual-mode quadrature oscillator
(Fachverlag Schiele Schon, 2003-01)In this paper a new current-mode integrator and a first order all-pass section are used to construct a quadrature oscillator. These circuits are composed of operational amplifiers (OAs) and operational transconductance ... -
New high output-impedance current-mode multifunction filters in a 0.5 mu m CMOS
(Fachverlag Schiele Schon, 2003-01)In this paper two new current-mode multifunction filters are presented. The proposed circuits are composed of two internally compensated operational amplifiers (OAs) and three dual-output operational transconductance ... -
EMC and BEM engineering education: physics-based modeling, hands-on training, and challenges
(IEEE, 2003-04)Educational challenges in EMC-BEM engineering and related issues are discussed in this paper. The importance of physics-based modeling and hands-on training are emphasized. Characteristic cases in EMC tests, measurements, ... -
New realizations of current-mode and voltage-mode multifunction filters without external passive elements
(IEEE, 2003-05)In this paper new voltage-mode and current-mode multifunction filters using internally compensated operational amplifiers (OP-AMPs) and single output operational transconcluctance amplifiers (OTAs) are presented. The ... -
On the realization of second order current mode active filters using single differential voltage current conveyor (DVCC)
(Fachverlag Schiele Schon, 2003-05)A new configuration for the realization of current-mode single differential voltage current conveyor (DVCC)-based filters with high output impedance is presented. It can synthesise lowpass, bandpass and highpass filtering ... -
A novel TLM-based time-domain wave propagator
(IEEE, 2003-07)In this letter, a novel time-domain wave propagator, based on the transmission line matrix (TLM) technique, is introduced. A two-dimensional (2-D) TLM algorithm is modified and the sliding window technique is applied to ... -
Switched networks and complementarity
(IEEE, 2003-08)A modeling framework is proposed for circuits that are subject both to externally induced switches (time events) and to state events. The framework applies to switched networks with linear and piecewise-linear elements, ... -
Active only integrator and differentiator with tunable time constants
(Taylor & Francis, 2003-09)In this paper new active only current-mode integrator and differentiator with electronically tunable time constants are described. They are composed of one operational amplifier (OA) and two operational transconductance ...
