Işık Yazarı "Aksen, Ahmet" 1- Fakülteler | Faculties İçin Listeleme
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Microwave amplifier design for mobile communication via immittance data modelling
Kılınç, Ali; Pınarbaşı, Hacı; Yarman, Bekir Sıddık Binboğa; Aksen, Ahmet (IEEE, 2003)In this paper, a practical broadband microwave amplifier design algorithm based on immittance data modelling is presented. In the course of design, first, the optimum input and output terminations for the active device are ... -
Microwave engineering expertise in Turkey
Yarman, Bekir Sıddık Binboğa; Palamutçuoğulları, Osman; Kaya, İlker; Kızılbey, Oǧuzhan; Aksen, Ahmet; Akın, Tayfun; Özkan, Z. Levent; Oksar, İrfan; Nesimoğlu, Tayfun (Institute of Electrical and Electronics Engineers Inc., 2018-05)Reports on the status of microwave education and technological development in Turkey. -
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 ... -
Multiband and concurrent matching network design via brune sections
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2017)A general multiband matching network design methodology for complex load impedance terminations is presented. In the proposed approach, Real Frequency Techniques (RFT) are used to define and optimize the multiband matching ... -
Multiband filter design using generalized mapping functions and synthesis with lumped resonators
Yıldız, Serkan; Aksen, Ahmet; Kılınç, Sedat; Yarman, Bekir Sıddık Binboğa (Czech Technical University, 2020-06-01)In this paper, a new multiband frequency mapping function is proposed to design multiband filter. The presented mapping function is a generalized form of the sequential low pass to band pass (LPtoBP) transformation. The ... -
Multiband matching network design via transformation based real frequency approach
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2016)In this paper, a new method is presented for multiband matching network design. Low pass to band pass (LP-BP) frequency transformation is incorporated with the parametric Real Frequency Technique (RFT) for creating multiband ... -
A new software tool to model measured RF-data with optimum circuit topology
Yarman, Bekir Sıddık Binboğa; Kılınç, Ali; Aksen, Ahmet (IEEE, 2004)In this paper a new S/W tool is presented to model measured RF data employing immitance interpolation techniques. This S/W tool also employs a recently developed sub-routine, which generates circuit models with least number ... -
A numerical approach for the design of matching networks consisting of brune sections based on fujisawa constraints
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2018)In this study, the realization problem of matching network consisting of Brune sections is investigated. In the synthesis of a general impedance function with finite transmission zeros, each transmission zero extraction ... -
A Numerical real frequency broadband matching technique based on parametric representation of scattering parameters
Aksen, Ahmet; Çimen, Ebru Gürsu; Yarman, Bekir Sıddık Binboğa (IEEE, 1998-11-24)In this study, a computer, aided broadband matching technique based on the parametric representation of scattering parameters is proposed. The new technique combines the advantageous of the so called parametric approach ... -
A parametric approach to construct two-variable positive real impedance functions for the real frequency design of mixed lumped-distributed matching networks
Aksen, Ahmet; Pınarbaşı, Hacı; Yarman, Bekir Sıddık Binboğa (IEEE, 2004)In this paper, a parametric approach to construct two-variable positive real driving point impedance functions characterizing lossless ladder networks with mixed lumped and distributed elements is presented. The proposed ... -
A parametric approach to describe distributed two-ports with lumped discontinuities for the design of broadband MMIC's
Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2003)This paper addreses the use of mixed lumped and distributed elements in the matching equalizers of broadband microwave communication subsytems in MMIC realizations. Construction of two-variable scattering functions for ... -
Quad-band matching network design with real frequency technique employing frequency transformation
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2017)In this study, a piecewise frequency transformation is presented for quad-band (QB) matching network design. The real frequency direct computational technique RFDCT is incorporated with the generated QB transformation. The ... -
A real frequency approach to describe lossless two-ports formed with mixed lumped and distributed elements
Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (Urban & Fischer Verlag, 2001)The design of microwave filters, matching networks, amplifiers, that Is the "Broadband Networks" with mixed lossless lumped and distributed elements, has been a significant concern of the circuit theoreticians of the field. ... -
Real frequency design of multiband matching networks with mixed lumped-distributed elements and foster resonance sections
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2018)In this study, a multiband matching network design technique is presented. Mixed lumped and distributed elements are used to form Transducer Power Gain (TPG) of the matching network. Finite frequency transmission zeros are ... -
Reflectance data model with mixed lumped and distributed elements for wireless communication systems
Yarman, Bekir Sıddık Binboğa; Şengül, Metin; Kılınç, Ali; Aksen, Ahmet (IEEE, 2005)In this paper, a new method is presented to model the given reflectance data obtained from a "passive one-port physical device", as a lossless two port consists of lumped and distributed elements. Basis of the new method ... -
A reflectance-based computer aided modelling tool for high speed/high frequency communication systems
Yarman, Bekir Sıddık Binboğa; Aksen, Ahmet (IEEE, 2001)A reflectance-based method is presented to model the measured or computed data, obtained from a "passive one-port physical device" by means of its Darlington equivalent. The basis of the new modelling tool rests on the ... -
RFT Based multiband matching network design with foster resonance sections
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2015)A new method for a multi band matching network design is introduced in this paper. Foster resonance sections are used to create transmission zeros. This effect brings gain degradation at Transducer Power Gain (TPG) of the ... -
SRFT ile frekans transformasyonunu kullanarak band geçiren filtre prototipi üzerinden çokluband filtre tasarımı
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (IEEE, 2017-02-10)Çokluband filtre tasarım problemi analitik ve uygulama yönünden ele alınr. Temel amaç Almaç Güç Kazanç (AGK) karakteristiğini frekans band üzerinden tanımlamaktır. AGK’nın belli bantlarda yükseltilmesi belli bantlarda ... -
Transformer-less ladder network design with non-minimum impedance functions
Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (Institute of Electrical and Electronics Engineers Inc., 2019-11)In this study, a new method of design for transformer-less ladders is introduced. It has been shown that, given a non minimum impedance function which includes finite transmission zeros (FTZs) can be synthesized without ... -
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 ...