• Ultra low-power electronically tunable current-mode instrumentation amplifier for biomedical applications 

  Psychalinos, Costas; Minaei, Shahram; Safari, Leila (Elsevier, 2020)

  In this paper, a new current-mode instrumentation amplifier with electronic tuning and low-voltage operation capabilities is presented. Simplicity is other important feature so that the whole circuit is composed of only ...

• Synthetic transformer design using commercially available active components 

  Doğan, Mehmet; Yüce, Erkan; Minaei, Shahram; Sağbaş, Mehmet (Springer, 2020)

  In this study, a novel synthetic transformer (ST), namely mutually coupled circuit, using commercially available active components such as current feedback operational amplifiers (CFOAs) is proposed. The proposed ST uses ...

• Modal properties of parallel plate waveguide partially loaded with double negative materials 

  Pekmezci, Ayşegül; Topuz, Ercan (Taylor & Francis, 2019)

  Properties of eigen-solutions in parallel plate waveguides partially loaded with Lorentz type Double Negative Materials (DNG), modelled by lossless/lossy, identical/non-identical electric, magnetic parameters are presented. ...

• A novel MoM approach for obtaining accurate and efficient solutions in optical rib waveguide 

  Yener, Namık; Topuz, Ercan (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 ...

• A new low-power current-mode MOS only versatile precision rectifier 

  Safari, Leila; Yüce, Erkan; Minaei, Shahram (Elsevier, 2018-01)

  In this paper, a new low-power versatile current-mode rectifier is proposed. As a salient feature, the proposed rectifier provides two positive half-wave, two inverting negative half-wave or two full-wave outputs from the ...

• Inverting voltage buffer based lossless grounded inductor simulators 

  Yeşil, Abdullah; Yüce, Erkan; Minaei, Shahram (Elsevier, 2018-01)

  In this study, two new lossless grounded inductor simulators (GISs) made up of a single plus-type second-generation current conveyor, two inverting voltage buffers and a minimum number of passive components are proposed. ...

• A novel super transistor-based high-performance CCII and its applications 

  Safari, Leila; Minaei, Shahram (Kaunas University of Technology, 2018)

  In this paper a high-performance low-voltage low-power CMOS second-generation current conveyor (CCII) is presented. The proposed CCII is based on super transistor (ST) and enables low input impedance at X terminal and high ...

• First and second order mur type ABCs for DNG media 

  Pekmezci, Ayşegül; Topuz, Ercan; Sevgi, Levent (Applied Computational Electromagnetics Society, 2018)

  Reflections from boundaries of the FDTD computational domain lead to inaccurate, even unstable codes when dealing with problems involving double negative (DNG) materials. Here, an efficient and simple algorithm is presented ...

• Analysis and design of a new COA-based current-mode instrumentation amplifier with robust performance against mismatches 

  Safari, Leila; Minaei, Shahram; Ferri, Giuseppe; Stornelli, Vincenzo (Elsevier, 2018)

  In this paper, analysis and design of a new current-mode instrumentation amplifier (CMIA) circuit is presented. The proposed circuit employs two Current Operational Amplifiers (COA) as active building blocks, one resistor ...

• High-order realisation of MOSFET-only band-pass filters for RF applications 

  Yeşil, Abdullah; Minaei, Shahram (Institution of Engineering and Technology, 2018-08)

  The authors present two new metal oxide semiconductor field effect transistor (MOSFET)-only second-order voltage and transadmittance-mode band-pass filters (BPFs) employing only five transistors without using any passive ...

• A low-voltage low-power instrumentation amplifier based on supply current sensing technique 

  Safari, Leila; Minaei, Shahram; Ferri, Giuseppe; Stornelli, Vincenzo (Elsevier, 2018-07)

  In this paper a new low-voltage low-power instrumentation amplifier (IA) is presented. The proposed IA is based on supply current sensing technique where Op-Amps in traditional IA based on this technique are replaced with ...

• Current inverting metamutator, its implementation with a new single active device and applications 

  Minayi, Elham; Göknar, İzzet Cem (Springer, 2018)

  A new kind of metamutator, namely “Current Inverting Metamutator”, its realizations using different types of active blocks and some of its applications like voltage-mode universal biquadratic filter with three input and ...

• Monitoring system for investigating the effect of temperature change on optical properties 

  Kara, Ercan; Çilesiz, Fatma İnci; Gülsoy, Murat (Springer, 2018)

  Knowledge about the changes in optical properties is needed for planning safer and more accurate laser treatments. A monitoring system was developed to study how the optical properties of a lipid emulsion are affected by ...

• A voltage-mode PID controller using a single CFOA and only grounded capacitors 

  Ayten, Umut Engin; Yüce, Erkan; Minaei, Shahram (Elsevier, 2018)

  A new voltage-mode (VM) proportional integral derivative (PID) controller employing only a single active component named Current Feedback Operational Amplifier (CFOA), two resistors and two grounded capacitors is proposed. ...

• Detection of mitral valve diseases by bicoherence analysis of heart sound signals 

  Akgün, Ömer; Varol, Hüseyin Selçuk (Office Spectroscopy and Spectral Analysis, 2017-10)

  The analysis of 10 normal and 51 mitral valve pathology making a total of 61 heart sound signals that were obtained with Littmann 4100 Digital Stethoscope were conducted in this study. Following the recorded sound signals ...

• A tunable swing-reduced driver in 0.13-mu m MTCMOS technology 

  Myderrizi, Indrit; Zeki, Ali (World Scientific, 2017-11)

  With the increase in demand for high-speed and low-power integrated circuits as technology scales down, low-swing signaling circuit techniques are critical for providing high-speed low-power communications. However, existing ...

• Diffraction modeling by a soft-hard strip using finite-difference time-domain method 

  Uslu, Mehmet Alper; Apaydın, Gökhan; Sevgi, Levent (IEEE, 2017)

  Diffraction by a strip with one face soft and the other face hard boundary condition is modeled numerically using finite-difference time-domain method, and the results are compared to the method of moments, which was ...

• Delay-dependent stability for neural networks with time-varying delays via a novel partitioning method 

  Yang, Bin; Wang, Rui; Dimirovski, Georgi M. (Elsevier, 2016-01)

  In this brief, a novel partitioning method for the conditions on bounding the activation function in the stability analysis of neural networks systems with time-varying delays is presented. Certain further improved ...

• Modified Gorski-Popiel technique and synthetic floating transformer circuit using minimum components 

  Sağbaş, Mehmet; Ayten, Umut Engin; Sedef, Herman; Minaei, Shahram (World Scientific, 2017-01)

  The aim of this paper is proposing an alternative method to Gorski-Popiel Technique in realization of synthetic transformers. A new synthetic floating transformer (FT) circuit is also given. The proposed synthetic transformer ...

• Grounded capacitance multipliers based on active elements 

  Yeşil, Abdullah; Yüce, Erkan; Minaei, Shahram (Elsevier, 2017-09)

  In this study, we present two new grounded capacitance multiplier circuits based on a negative-type second-generation current conveyor (CCII-) and an inverting second-generation current conveyor (ICCII). The first proposed ...

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