Yazar "Köprü, Ramazan" için listeleme
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High precision synthesis of a richards immittance via parametric approach
Yarman, Bekir Sıddık Binboğa; Köprü, Ramazan; Kumar, Narendra G.; Prakash, Chacko (IEEE-INST Electrical Electronics Engineers Inc, 2014-04)A Richards immitance is a positive real function expressed in terms of the Richards variable lambda = tanh(pT) = Sigma + j Omega where p = sigma + j omega is the classical complex frequency. A Richards immittance can be ... -
Işık Üniversitesi 25. Yıl Kutlama Töreni
Erel, Ezgi; Süel, Akın; Yarman, Bekir Sıddık Binboğa; Gökçek, Altan; Erbelger, Osman F.; Hatipoğlu, Hakan; Şahin Benezra, Ezgi; Yıldız, Mustafa; Başik, Gün Han; Yerli, Ulaş Güney; İbiş, Cemal; Sarıgül, Mehmet Serdar; Koloğlugil, Serhat; Avcı Tuğal, Sibel; Koca, Gülru; Gül, Mısra Çağla; Süyük Makaklı, Elif; Köprü, Ramazan; Şarlak, Evangelia; Kaytaz, Mehmet; İstefanopulos, Yorgo; Dinç, İpek; Işık Üniversitesi (Işık Üniversitesi, 2021-06-11)Işık Üniversitesi'nin çevrimiçi olarak düzenlediği 25. Yıl Kutlama Töreni programının video erişimi ve deşifresidir. -
A low loss, low voltage and high Q active inductor with multi-regulated cascade stage for RF applications
Momen, Hadi Ghasemzadeh; Yazgı, Metin; Köprü, Ramazan (Institute of Electrical and Electronics Engineers Inc., 2015)Numerous structural planning of active inductors have been proposed as of not long ago in literature which showing tuning conceivable outcomes, low chip area and offering integration facility, they constitute promising ... -
Low-loss active inductor with independently adjustable self-resonance frequency and quality factor parameters
Köprü, Ramazan; Momen, Hadi Ghasemzadeh; Yazgı, Metin; Saatlo, Ali Naderi (Elsevier Science BV, 2017-06)This work presents a new low-loss active inductor whose self-resonance frequency and quality factor parameters can be adjusted independently from each other. In order to achieve this property, a new input topology has been ... -
A method for low-pass filter designing by commensurate transmission lines
Köprü, Ramazan; Momen, Hadi Ghasemzadeh (IEEE, 2016)It is well known that the complex Richards-Plane is a transformed domain of Laplace-Plane which is obtained under a tangent hyperbolic mapping. Network functions generated in terms of Richards's frequency are periodic in ... -
Mixed element wideband microwave amplifier design via simplified real frequency technique
Kılınç, Sedat; Köprü, Ramazan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE Computer Society, 2014)In this study, we illustrate the design and implementation of a wideband microwave small-signal amplifier composed of mixed elements. The design is based on Simplified Real Frequency Technique (SRFT). A design of low power ... -
A new high performance CMOS active inductor
Köprü, Ramazan; Momen, Hadi Ghasemzadeh; Yazgı, Metin; Saatlo, Ali Naderi (IEEE, 2016)A new high-performance active inductor with ability to tune its self-resonance frequency and quality factor without affecting each other is presented in this letter. Using the input transistor of active inductor in cascoding ... -
Novel approach to design ultra wideband microwave amplifiers: Normalized gain function method
Köprü, Ramazan; Kuntman, Hulusi Hakan; Yarman, Bekir Sıddık Binboğa (Spolecnost Pro Radioelektronicke Inzenyrstvi, 2013-09)In this work, we propose a novel approach called "Normalized Gain Function (NGF) method" to design low/medium power single stage ultra wide band microwave amplifiers based on linear S parameters of the active device. ... -
A novel method to design wideband power amplifier for wireless communication
Köprü, Ramazan; Kuntman, Hulusi Hakan; Yarman, Bekir Sıddık Binboğa (IEEE, 2013)A new approach is presented to design microwave amplifiers to deliver maximum output power using Simplified Real Frequency Technique (SRFT). Proposed method tracks the maximum stable gain (MSG) curve of the active device ... -
On numerical design technique of wideband microwave amplifiers based on GaN small-signal device model
Köprü, Ramazan; Kuntman, Hulusi Hakan; Yarman, Bekir Sıddık Binboğa (Springer, 2014-10)This work presents an application of Normalized Gain Function (NGF) method to the design of linear wideband microwave amplifiers based on small-signal model of a device. NGF has been originally developed to be used together ... -
Richards uzayında band geçiren devre fonksiyonu gerçeklemesi ve yama anten uyumlaştırmada kullanımı
Köprü, Ramazan; Aydın, Çağatay; Yarman, Bekir Sıddık Binboğa (IEEE, 2014-04-23)Literatürde çok iyi bilinmektedir ki, Richards-düzlemi, Laplace-düzleminde tanjant hiperbolik eşlemesi uygulanarak elde edilen dönüştürülmüş bir uzaydır. Richards frekansı cinsinden üretilen devre fonksiyonları gerçek ... -
Termination transformation theorem for microwave power transfer networks
Köprü, Ramazan (World Scientific Publishing Co. Pte Ltd, 2020-03-15)Termination transformation theorem (TTT) proposed in this work transforms a doubly complex terminated microwave power transfer network (PTN) to an equivalent doubly resistively terminated termination transformed network ... -
Transformerless bandpass matching network design for Y-Shaped monopole antenna
Aydın, Çağatay; Atilla, Doğu Çağdaş; Karakuş, Cahit; Köprü, Ramazan; Yarman, Bekir Sıddık Binboğa (IEEE, 2015)In this paper, a transformerless bandpass matching network design procedure is presented. The Real Frequency Techniques are powerful numerical methods to design wideband lossless 2-port networks such that filters and ... -
A tunable inductance topology to realize frequency tunable matching networks and amplifiers
Atilla, Doğu Çağdaş; Aydın, Çağatay; Köprü, Ramazan; Nesimoğlu, Tayfun; Yarman, Bekir Sıddık Binboğa (IEEE, 2013)Coverage of commercial communication standards such as GSM, UMTS, Wi-Fi and Wi-Max within a single transceiver chip is one of the most desired properties by wireless communication manufacturers. In this regard, communication ... -
Ultra wideband matching network design for a V-shaped square planar monopole antenna
Köprü, Ramazan; Kılınç, Sedat; Aydın, Çağatay; Atilla, Doğu Çağdaş; Karakuş, Cahit; Yarman, Bekir Sıddık Binboğa (Cambridge University Press, 2014-12)In this paper, design, manufacture, and measurement of a wideband matching network for a broadband V-shaped square planar monopole antenna (V-SPMA) is presented. Matching network design is unavoidable in most cases even ... -
Unit element bandpass filter design via simplified real frequency technique for UWB microstrip patch antenna
Köprü, Ramazan; Kılınç, Sedat; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE Computer Society, 2014)Design of a UWB (Ultra Wideband) microstrip patch antenna to operate in the first channel of the UWB standard and a bandpass (BP) UE (Unit Element) microstrip filter (BPUEF) for this antenna are studied and presented with ... -
Wideband bandpass filter design for X band horn antenna via numerical techniques
Köprü, Ramazan; Aydın, Çağatay; Atilla, Doğu Çağdaş; Kılınç, Sedat; Yarman, Bekir Sıddık Binboğa (IEEE Computer Society, 2015)Design of an X band horn antenna and a wideband unit element microstrip bandpass filter (UEBPF) for this antenna are presented with satisfactory agreement between theoretical and simulation results. Numerical methods known ... -
Wideband matching network design for a V-Shaped square monopole antenna using Real Frequency Technique
Köprü, Ramazan; Aydın, Çağatay; Atilla, Doğu Çağdaş; Karakuş, Cahit; Yarman, Bekir Sıddık Binboğa (IEEE, 2013)In this paper, design and simulation of a wideband matching network for a broadband V-shaped square monopole antenna is presented. Matching network design is unavoidable in most cases even vital to facilitate a maximally ...