Education Information
1993 - 1998
1993 - 1998Doctorate
Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü, Turkey
1991 - 1993
1991 - 1993Postgraduate
Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü, Turkey
1987 - 1991
1987 - 1991Undergraduate
Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü, Turkey
Dissertations
1998
1998Doctorate
Noise analysis and low noise design of feed structures for active and passive antenna arreys
Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü
1993
1993Postgraduate
Wideband mmic amplifier design
Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü
Foreign Languages
C1 Advanced
C1 AdvancedEnglish
Research Areas
Printed Circuits, Thin Film, Thick Film and Hybrid ICs
Electronic Circuits
Microwave Circuits
Passive Circuit Components, Cables, Switches and Connectors
Electromagnetic
Modified Earth Planar Structures
Electromagnetic Band Spacing Structures
Electromagnetic Environment and Interaction
Electromagnetic Waves, Antennas and Propagation
Photonic Band Spacing Structures
Passive Microwave Circuits
Planar Buildings
Slow Wavy Structures
Semiconducting Materials and Devices
Academic Titles / Tasks
2013 - Continues
2013 - ContinuesProfessor
Middle East Technical University, Faculty of Engineering, Department of Electrical and Electronics Engineering
2006 - 2013
2006 - 2013Associate Professor
Middle East Technical University, Faculty of Engineering, Department of Electrical and Electronics Engineering
2000 - 2006
2000 - 2006Assistant Professor
Middle East Technical University, Faculty of Engineering, Department of Electrical and Electronics Engineering
1996 - 2000
1996 - 2000Lecturer
Middle East Technical University, Faculty of Engineering, Department of Electrical and Electronics Engineering
1998 - 1999
1998 - 1999Medical Doctor
Technische Universiteit Delft, International Research Center for Telecomunnication Transmission and Radar
1991 - 1996
1991 - 1996Research Assistant
Middle East Technical University, Faculty of Engineering, Department of Electrical and Electronics Engineering
1995 - 1995
1995 - 1995Researcher
University of Massachusetts Amherst, Faculty of Engineering, ECE
Managerial Experience
2011 - 2013
2011 - 2013Deputy Head of Department
Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü
Non Academic Experience
2013 - Continues
2013 - ContinuesManaging Director
Company, PRF Araştırma Geliştirme Müh. San ve Tic. A.Ş., Yönetim
2000 - Continues
2000 - ContinuesAssistant Professor
METU
2012 - 2022
2012 - 2022Mütevelli Heyeti Başkanı
Non-profit Organisation, ODTÜ Prof Dr Mustafa Parlar Eğitim ve Araştırma Vakfı, Vakıf
2015 - 2020
2015 - 2020Araştırmacı
Company, AREFSENS A.Ş., Yönetim
1996 - 2000
1996 - 2000Instructor/Reader
METU
1998 - 1999
1998 - 1999Post doc researcher
Delft Technology University - International Radar Communication and Tranmission Research Center
1991 - 1996
1991 - 1996Assistant
METU
1990 - 1991
1990 - 1991yazılımı geliştirme
Çağdaş Bilgisayar
1987 - 1991
1987 - 1991Bilgisayar uzmanı
IŞIK Makina
Advising Theses
2022
2022Postgraduate
Analysis of a calibration method for airborne receive-only phased array antennas with self-alignment
DEMİR Ş. (Advisor)
F.BAHADIR(Student)
2022
2022Postgraduate
Design and implementation of L1 C/A GPS transmitter for spoofing applications
DEMİR Ş. (Advisor)
Y.EMRE(Student)
2021
2021Postgraduate
Broadband high efficiency rf power amplifier designbased on modified class-j approach with applicationsusing GaN hemt technology
DEMİR Ş. (Advisor)
M.KOÇ(Student)
2021
2021Doctorate
Design and performance evaluation of 2D LFMCW FDA
DEMİR Ş. (Advisor)
S.KARADAĞ(Student)
2019
2019Doctorate
PACKAGING OF RF MEMS SWITCHES AND PERFORMANCE IMPROVEMENT
Akın T. (Co-Advisor), Demir Ş.
İ.COMART(Student)
2019
2019Postgraduate
Analysis and design of slow wave structure for backward wave oscillators
DEMİR Ş. (Advisor)
D.ESER(Student)
2019
2019Doctorate
Detection of electro-explosive detonators by RF signature
DEMİR Ş. (Advisor)
Ö.Kılıç(Student)
2019
2019Postgraduate
GAN-HEMT based KU-band RF power amplifier design for SATCOM applications
DEMİR Ş. (Advisor)
A.Mert(Student)
2018
2018Postgraduate
An axially extracted virtual cathode oscillator designand characterization
DEMİR Ş. (Advisor)
B.TİMUR(Student)
2018
2018Doctorate
Development of a tuner topology for multiharmonic matching and implementation on tunable dual band power amplifier design
DEMİR Ş. (Advisor)
H.HÜSEYİN(Student)
2018
2018Postgraduate
Frequency and phase locking of oscillators and magnetrons
DEMİR Ş. (Advisor)
I.SALUR(Student)
2018
2018Postgraduate
High power magnetron design and electron emission haracteristics
DEMİR Ş. (Advisor)
M.CEMAL(Student)
2018
2018Postgraduate
Beam modulation in double gap virtual cathode oscillator
DEMİR Ş. (Advisor)
İ.SEMİH(Student)
2018
2018Doctorate
Design of miniaturized Ku band narrowband cavity filter
DEMİR Ş. (Advisor)
Y.SEVİNÇ(Student)
2017
2017Postgraduate
Implementation of direction finding with frequency diverse array
DEMİR Ş. (Advisor)
A.TURHANER(Student)
2017
2017Postgraduate
Optical system design of direct detection short-pulsed laser proximity sensor
YERCİ S. (Co-Advisor), DEMİR Ş. (Co-Advisor)
E.Korkmaz(Student)
2016
2016Postgraduate
X-band high power gan power amplifier design and implementation
DEMİR Ş. (Advisor)
A.İLKER(Student)
2016
2016Postgraduate
Design of an x-band 3-bit rf mems constant phase shifter
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
A.KUZUBAŞLI(Student)
2016
2016Postgraduate
Broadband microwave diode mixer design and implementation
DEMİR Ş. (Advisor)
E.KOÇ(Student)
2016
2016Postgraduate
Comparative design of millimeter wave RF-MEMS phase shifters
DEMİR Ş. (Advisor)
E.KOBAL(Student)
2015
2015Postgraduate
Development of beam scheduling algorithm for frequency diverse array /
DEMİR Ş. (Advisor)
R.ÇETİNER(Student)
2015
2015Postgraduate
Medium power-wideband envelope tracking RF power amplifier design
DEMİR Ş. (Advisor)
E.ŞİRİN(Student)
2015
2015Postgraduate
Design and implementation of a microwave cavity resonator for modulated backscattered wave
DEMİR Ş. (Advisor)
A.AKKOÇ(Student)
2015
2015Doctorate
Analysis of frequency diverse arrays for radar and communication applications
DEMİR Ş. (Co-Advisor), KOÇ S. S. (Co-Advisor)
Ç.ÇETİNTEPE(Student)
2014
2014Postgraduate
Design and realization of microstrip linear antenna array based on SIW (Substrate integrated waveguide) feed network
DEMİR Ş. (Advisor)
A.ÖZGÜN(Student)
2014
2014Postgraduate
Simulation and design of electron gun for travelling wave tube with particle in cell code
DEMİR Ş. (Advisor)
F.ECE(Student)
2014
2014Postgraduate
Countermeasure methods for high power microwave pulses /
DEMİR Ş. (Advisor)
M.KESKİN(Student)
2014
2014Postgraduate
Design and realization of microstrip linear antenna array based on siw (substrate integrated waveguide) feed network /
DEMİR Ş. (Advisor)
A.Özgün(Student)
2014
2014Postgraduate
Experimental performance evaluation of direction finding by amplitude comparison for GSM applications /
DEMİR Ş. (Advisor)
S.KARADAĞ(Student)
2014
2014Postgraduate
Modeling of time domain represented signals with multitone signals
DEMİR Ş. (Advisor)
G.CANSIZ(Student)
2014
2014Postgraduate
Design of high power waveguide limiter /
DEMİR Ş. (Co-Advisor), YILDIRIM N. (Co-Advisor)
A.YILMAZ(Student)
2013
2013Doctorate
Innovative approaches in Doherty amplifier design for higher efficiency and wider frequency bandwidth
DEMİR Ş. (Advisor)
N.ŞAHAN(Student)
2013
2013Postgraduate
PHASED ARRAY ANTENNA CALIBRATION AND EXPERIMENTAL VALIDATION
DEMİR Ş. (Advisor)
A.YALIM(Student)
2013
2013Postgraduate
Identification of memory terms in a power amplifier
DEMİR Ş. (Advisor)
E.DURSUN(Student)
2013
2013Doctorate
Improving the efficiency of microwave power amplifiers without linearity degradation using load and bias tuning in a new configuration
DEMİR Ş. (Advisor)
A.RONAGHZADEH(Student)
2013
2013Postgraduate
Assessment of shielding effectiveness by using electromagnetic topology method
DEMİR Ş. (Advisor)
H.İBRAHİM(Student)
2013
2013Postgraduate
Design and realization of high power low loss combiners
DEMİR Ş. (Co-Advisor), YILDIRIM N. (Co-Advisor)
G.SUNA(Student)
2013
2013Postgraduate
True-time delay structures for microwave beamforming networks in S-band phased arrays
DEMİR Ş. (Advisor)
K.TEMİR(Student)
2012
2012Doctorate
X-band RF switch implementation in substrate integrated waveguide
DEMİR Ş. (Advisor)
T.ERDÖL(Student)
2012
2012Postgraduate
A new approach for distributed amplifier design
DEMİR Ş. (Advisor)
İ.GÖKHAN(Student)
2012
2012Doctorate
Precise height estimation by differential amplitude measurement for an airborne CW doppler proximity sensor
DEMİR Ş. (Advisor)
A.VURAL(Student)
2012
2012Postgraduate
Broadband spatial power combining in coaxial medium
DEMİR Ş. (Advisor)
Z.TANÇ(Student)
2012
2012Postgraduate
Broadband phase shifter realization with surface micromachined lumped components
DEMİR Ş. (Advisor)
K.KAAN(Student)
2012
2012Postgraduate
Linearization of RF power amplifiers by using memory polynomial digital predistortion technique
DEMİR Ş. (Advisor)
G.ERDOĞDU(Student)
2012
2012Doctorate
Low loss substrate integrated waveguide n-way power divider
DEMİR Ş. (Advisor)
P.MOHAMMADI(Student)
2012
2012Postgraduate
Design and implementation of wideband stripline circulators
DEMİR Ş. (Advisor)
G.YILMAZ(Student)
2011
2011Doctorate
A conceptual evaluation of frequency diverse arrays and novel utilization of LFMCW
DEMİR Ş. (Advisor)
T.EKER(Student)
2011
2011Postgraduate
Linearization of RF power amplifiers with memoryless baseband predistortion method
DEMİR Ş. (Advisor)
T.KOLCUOĞLU(Student)
2011
2011Doctorate
Modeling of asymmetric intermodulation distortion and memory effects of power amplifiers
DEMİR Ş. (Advisor)
A.HAYRETTİN(Student)
2011
2011Postgraduate
Design and fabrication of a high gain, broadband microwave limiting amplifier module
DEMİR Ş. (Advisor)
H.HÜSEYİN(Student)
2010
2010Postgraduate
Reliability improvement of RF MEMS devices based on lifetime measurements
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
O.DOĞAN(Student)
2010
2010Postgraduate
L-Band & S-Band CW Hybrid Gallium Nitride HEMT Power Amplifier Design
DEMİR Ş. (Advisor)
A.AKTUĞ(Student)
2010
2010Postgraduate
Defected ground structure and its applications to microwave devices and antenna feed networks
DEMİR Ş. (Advisor)
Ö.KILIÇ(Student)
2010
2010Postgraduate
Zero-level packaging of microwave and millimeterwave mems components
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
İ.COMART(Student)
2010
2010Postgraduate
Development of MEMs technology based microwave and millimeter-wave components
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
Ç.ÇETİNTEPE(Student)
2010
2010Postgraduate
HMIC miniaturization techniques and application on an FMCW range sensor transceiver
DEMİR Ş. (Advisor)
H.KORKMAZ(Student)
2010
2010Postgraduate
Design and implementation of a broadband I-Q vector modulator and a feedforward linearizer for V/UHF band
DEMİR Ş. (Advisor)
A.ÜNLÜ(Student)
2010
2010Postgraduate
X-band high power ferrite phase shifters
DEMİR Ş. (Co-Advisor), AYDIN ÇİVİ H. Ö. (Co-Advisor)
H.İLHAN(Student)
2010
2010Postgraduate
Wideband phase shifter for 6-18 GHz applications
DEMİR Ş. (Advisor)
G.BOYACIOĞLU(Student)
2009
2009Postgraduate
Design and implementation of low phase noise phase locked loop based local oscillator
DEMİR Ş. (Advisor)
M.ALPEREN(Student)
2009
2009Postgraduate
S-band hybrid 4 bit phase shifter using cots components
DEMİR Ş. (Advisor)
E.ERKEK(Student)
2009
2009Doctorate
NOVEL IMPEDANCE TUNER, PHASE SHIFTER, AND VECTOR MODULATORS USING RF MEMS TECHNOLOGY
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
M.ÜNLÜ(Student)
2008
2008Postgraduate
Cascaded, reactively terminated, single stage distributed 2-18 GHz amplifier
DEMİR Ş. (Advisor)
O.EFE(Student)
2008
2008Postgraduate
CFAR detection in K-distributed sea clutter
DEMİR Ş. (Advisor)
A.ÇETİN(Student)
2008
2008Postgraduate
Cascaded, reactively terminated, single stage distributed amplifier
DEMİR Ş. (Advisor)
O.Efe(Student)
2008
2008Postgraduate
Theory and design of microwave fet frequency triplers
DEMİR Ş. (Advisor)
İ.BOZKURT(Student)
2007
2007Postgraduate
Design and fabrication of RF MEMS switches and instrumentation for performance evaluation
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
H.İBRAHİM(Student)
2007
2007Postgraduate
Range resolution improvement of FMCW radars
DEMİR Ş. (Advisor)
S.KURT(Student)
2006
2006Postgraduate
Millimeter wave MMIC amplifier linearization by predistortion
DEMİR Ş. (Advisor)
B.ÇAĞLAR(Student)
2006
2006Postgraduate
Re-configurable microstrip patch antennas controlled by RF mems switches
DEMİR Ş. (Co-Advisor), ALATAN L. (Co-Advisor)
S.ONAT(Student)
2006
2006Postgraduate
Design and implementation of microwave lumped components and system integration using MEMS technology
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
E.UFUK(Student)
2006
2006Postgraduate
Milimeter wave MMIC amplifier linearization by predistortion
DEMİR Ş. (Advisor)
B.Çağlar(Student)
2005
2005Postgraduate
Multi-tone representation of arbitrary waveforms and application to the analysis of nonlinear amplifiers and feedforward linearizers
DEMİR Ş. (Advisor)
A.MUTLU(Student)
2005
2005Postgraduate
Design of an FM-CW radar altimeter
DEMİR Ş. (Co-Advisor), TANIK Y. (Co-Advisor)
Y.BARIŞ(Student)
2004
2004Postgraduate
Cmos class e power amplifier modelling and design including channel resistance effects
DEMİR Ş. (Advisor)
İ.Demir(Student)
2004
2004Postgraduate
CMOS class-e power amplifier modelling and design including channel resistance effects
DEMİR Ş. (Advisor)
İ.DEMİR(Student)
2003
2003Postgraduate
An adjustable impedance matching network using RF MEMS technology
DEMİR Ş. (Co-Advisor), AKIN T. (Co-Advisor)
M.ÜNLÜ(Student)
2003
2003Doctorate
Novel microwave equal and unequal power divider and combiner structures
DEMİR Ş. (Advisor)
E.TURAN(Student)
2003
2003Doctorate
Stochastic characterization and mathematical analysis of feedforward linearizers
DEMİR Ş. (Advisor)
A.HAKAN(Student)
2002
2002Postgraduate
An approach of thinning planar phased array antenna by using finite difference method.
DEMİR Ş. (Advisor)
A.Cemil(Student)
2002
2002Postgraduate
An Approach of thinning planar phased array antenna by using finite difference method
DEMİR Ş. (Advisor)
A.CEMİL(Student)
Designed Lessons
Published journal articles indexed by SCI, SSCI, and AHCI
2024
2024A Multi-Box Behavioural Nonlinear Mixer Model
Ozgun A., NESİMOĞLU T., DEMİR Ş.
International Journal of Electronics , vol.111, no.8, pp.1384-1402, 2024 (SCI-Expanded)
2023
2023A Compound ECCM Technique for FMCW Radars
Eser D., DEMİR Ş., Koc S. S.
IEEE Access , vol.11, pp.62942-62954, 2023 (SCI-Expanded)
2021
2021Dual Band, Miniaturized Permittivity Measurement Sensor With Negative-Order SIW Resonator
Mohammadi P., Teimouri H., Mohammadi A., DEMİR Ş., KARA A.
IEEE SENSORS JOURNAL , vol.21, no.20, pp.22695-22702, 2021 (SCI-Expanded)
2021
2021Compact Size, and Highly Sensitive, Microwave Sensor for Non-Invasive Measurement of Blood Glucose Level
Mohammadi P., Mohammadia A., DEMİR Ş., KARA A. G.
IEEE Sensors Journal , vol.21, no.14, pp.16033-16042, 2021 (SCI-Expanded)
2019
2019Development and Modeling of a Wafer-Level BCB Packaging Method for Capacitive RF MEMS Switches
Comart I., Cetintepe C., Sagiroglu E., DEMİR Ş., AKIN T.
JOURNAL OF MICROELECTROMECHANICAL SYSTEMS , vol.28, no.4, pp.724-731, 2019 (SCI-Expanded)
2019
2019Highly efficient dual-band GaN power amplifier utilising pin diode-based tunable harmonic load matching
Kilic H. H., Demir S.
IET MICROWAVES ANTENNAS & PROPAGATION , vol.13, no.1, pp.63-70, 2019 (SCI-Expanded)
2018
2018Investigation of graphene-integrated tunable metamaterials in THz regime
DEMİR Ş., Yuksek Y., Sabah C.
PRAMANA-JOURNAL OF PHYSICS , vol.90, no.5, 2018 (SCI-Expanded)
2017
2017A folded leg Ka-band RF MEMS shunt switch with amorphous silicon (a-Si) sacrificial layer
Demirel K., Yazgan E., Demir Ş., Akın T.
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS , vol.23, pp.1191-1200, 2017 (SCI-Expanded)
2016
2016A New Temperature-Tolerant RF MEMS Switch Structure Design and Fabrication for Ka-Band Applications
Demirel K., Yazgan E., Demir Ş., Akın T.
JOURNAL OF MICROELECTROMECHANICAL SYSTEMS , vol.25, pp.60-68, 2016 (SCI-Expanded)
2015
2015Cantilever type radio frequency microelectromechanical systems shunt capacitive switch design and fabrication
Demirel K., Yazgan E., Demir Ş., Akın T.
JOURNAL OF MICRO-NANOLITHOGRAPHY MEMS AND MOEMS , vol.14, 2015 (SCI-Expanded)
2014
2014A fabrication process based on structural layer formation using Au-Au thermocompression bonding for RF MEMS capacitive switches and their performance
Cetintepe C., Topalli E. S., Demir Ş., Civi O. A., Akın T.
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES , vol.6, pp.473-480, 2014 (SCI-Expanded)
2014
2014Multipath Characteristics of Frequency Diverse Arrays Over a Ground Plane
Cetintepe C., DEMİR Ş.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.62, no.7, pp.3567-3574, 2014 (SCI-Expanded)
2014
2014Microwave Characterization of a Wafer-Level Packaging Approach for RF MEMS Devices Using Glass Frit Bonding
Comart I., Topalli K., DEMİR Ş., AKIN T.
IEEE SENSORS JOURNAL , vol.14, no.6, pp.2006-2011, 2014 (SCI-Expanded)
2014
2014A low-order nonlinear amplifier model with distributed delay terms
YÜZER A. H., DEMİR Ş.
TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES , vol.22, no.4, pp.1007-1016, 2014 (SCI-Expanded)
2013
2013Height Estimation for Ballistic Platforms using Differential Measurements
Vural A., Sengul O., DEMİR Ş., Hizal A.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS , vol.49, no.4, pp.2657-2665, 2013 (SCI-Expanded)
2013
2013A 15-40-GHz Frequency Reconfigurable RF MEMS Phase Shifter
Ünlü M., Demir Ş., Akın T.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES , vol.61, pp.2865-2877, 2013 (SCI-Expanded)
2013
2013Exploitation of Linear Frequency Modulated Continuous Waveform (LFMCW) for Frequency Diverse Arrays
Eker T., DEMİR Ş., Hizal A.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.61, no.7, pp.3546-3553, 2013 (SCI-Expanded)
2012
2012Triple stub circuit topology as simultaneous insertion phase, amplitude and impedance control circuit for phased array applications
Unlu M., Demir Ş., Akın T.
IET MICROWAVES ANTENNAS & PROPAGATION , vol.6, pp.1399-1406, 2012 (SCI-Expanded)
2010
2010E-plane sectoral horn power divider
Secmen M., DEMİR Ş., Hizal A.
IET MICROWAVES ANTENNAS & PROPAGATION , vol.4, no.2, pp.191-199, 2010 (SCI-Expanded)
2010
2010Hybrid connection of RF MEMS and SMT components in an impedance tuner
Unlu M., Topalli K., Atasoy H. I., Demir Ş., Civi O. A., Akın T.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS , vol.64, pp.748-756, 2010 (SCI-Expanded)
2009
2009Tunable dual-frequency RF MEMS rectangular slot ring antenna
Topalli K., Erdil E., Civi O. A., Demir Ş., Koc S., Akın T.
SENSORS AND ACTUATORS A-PHYSICAL , vol.156, pp.373-380, 2009 (SCI-Expanded)
2009
2009EMPIRICAL FORMULATION OF BRIDGE INDUCTANCE IN INDUCTIVELY TUNED RF MEMS SHUNT SWITCHES
Topallı K., ÜNLÜ M., Atasoy H. İ., AYDIN ÇİVİ H. Ö., DEMİR Ş., AKIN T.
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER , vol.97, pp.343-356, 2009 (SCI-Expanded)
2008
2008High-power 20-100-MHz linear and efficient power-amplifier design
Sahan N., Inal M. E., Dernir Ş., TOKER C.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES , vol.56, no.9, pp.2032-2039, 2008 (SCI-Expanded)
2008
2008A monolithic phased array using 3-bit distributed RF MEMS phase shifters
Topalli K., Civi O. A., Demir Ş., Koc S., Akın T.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES , vol.56, pp.270-277, 2008 (SCI-Expanded)
2008
2008Zero crossing counter for accuracy improvement of FMCW range detection
Kurt S., DEMİR Ş., Hizal A.
TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES , vol.16, no.2, pp.125-132, 2008 (SCI-Expanded)
2006
2006Dual-polarised T/R antenna system suitable for FMCW altimeter radar applications
Secmen M., Demir Ş., Hizal A.
IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION , vol.153, no.5, pp.407-412, 2006 (SCI-Expanded)
2006
2006New approach for modelling distributed MEMS transmission lines
Topalli K., Unlu M., Demir Ş., Civi O., Koc S., Akin T.
IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION , vol.153, no.2, pp.152-162, 2006 (SCI-Expanded)
2006
2006CMOS planar spiral inductor modeling and low noise amplifier design
Telli A., Demir Ş., Askar M.
MICROELECTRONICS JOURNAL , vol.37, no.1, pp.71-78, 2006 (SCI-Expanded)
2005
2005A multitone model of complex enveloped signals and its application in feedforward circuit analysis
Coskun A., Mutlu A., Demir Ş.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES , vol.53, no.6, pp.2171-2178, 2005 (SCI-Expanded)
2005
2005Comments on "A different perspective on taper efficiency for array antennas"
Demir Ş.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.53, no.3, pp.1247-1248, 2005 (SCI-Expanded)
2004
2004Efficiency calculation of feed structures and optimum number of antenna elements in a subarray for highest G/T
Demir Ş.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.52, no.4, pp.1024-1029, 2004 (SCI-Expanded)
2003
2003A mathematical characterization and analysis of a feedforward circuit for CDMA applications
Coskun A., Demir Ş.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES , vol.51, no.3, pp.767-777, 2003 (SCI-Expanded)
2003
2003Design of Wideband Impedance Transformers
Demir Ş.
IEEE Antennas and Propagation Magazine , vol.45, no.5, pp.71-72, 2003 (SCI-Expanded)
1999
1999Optimum design of feed structures for high G/T passive and active antenna arrays
Demir Ş., Toker C.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.47, no.3, pp.443-452, 1999 (SCI-Expanded)
Articles Published in Other Journals
2019
2019Prospects of FMCW-based frequency diverse array radar
Cetiner R., Cetintepe C., DEMİR Ş., Hizal A.
JOURNAL OF ENGINEERING-JOE , vol.2019, no.21, pp.7299-7303, 2019 (ESCI)
2019
2019Space scanning FMCW-based two-dimensional frequency diverse array radar
KARADAĞ S., DEMİR Ş., Hizal A.
JOURNAL OF ENGINEERING-JOE , vol.2019, no.20, pp.6452-6456, 2019 (ESCI)
2017
2017Waveguide multiplexer: miniaturized contiguous-band six-channel multiplexer structure
Sevinc Y., DEMİR Ş.
JOURNAL OF ENGINEERING-JOE , 2017 (ESCI)
2014
2014Loss reduction in substrate integrated waveguide structures
Mohammadi P., DEMİR Ş.
Progress In Electromagnetics Research C , vol.46, pp.125-133, 2014 (Scopus)
2014
2014Substrate integrated waveguide unequal power divider with adjustable dividing ratio
Mohammadi P., DEMİR Ş.
Journal of Electrical Engineering , vol.14, no.2, pp.168-172, 2014 (Scopus)
2013
2013Analysis, design optimization and perfor-mance comparison of bias adapted and asymmetrical doherty power amplifiers
Sahan N., DEMİR Ş.
Progress In Electromagnetics Research B , no.54, pp.337-356, 2013 (Scopus)
2013
2013Designing an Octave-Bandwidth doherty amplifier using a novel power combination method
Sahan N., DEMİR Ş.
Progress In Electromagnetics Research B , no.56, pp.327-346, 2013 (Scopus)
2012
2012Multi-layer substrate integrated wave-guide E-plane power divider
Mohammadi P., DEMİR Ş.
Progress In Electromagnetics Research C , vol.30, pp.159-172, 2012 (Scopus)
Refereed Congress / Symposium Publications in Proceedings
2021
2021Otonom su devrilmesi izleme-uyarı-müdahale sistemi
Şanlı E. B., Şimşir S., Sömek S. K., Kallem A., Yücel Bilen Ö., Çelebi E. B., et al.
14. Ulusal 2.Uluslararası Çevre Mühendisliği Kongresi, 09 December 2021, pp.279-284
2021
2021An autonomous system for minimization of turnover effects in eutrophic lakes
Şimşir S., Sömek S. K., Şanlı E. B., Aydoğa K., Yücel Bilen Ö., Çelebi E. B., et al.
AQUA≈360, Exeter, England, 31 August - 02 September 2021
2021
2021Compact and Directional Printed Dipole Antenna Pair Conformed on a Conical Surface
Haykir Y., Kallem A., DEMİR Ş.
34th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2021, Rome, Italy, 28 August - 04 September 2021
2020
2020A Low-Profile DielectricWaveguide Altimeter Antenna
Haykir Y., Dagdeviren B., Korkmaz A. D., DEMİR Ş.
33rd General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2020, Rome, Italy, 29 August - 05 September 2020
2019
2019Cold Test Validation of Metamaterial Based Rectangular Slow Wave Structure for High-Power Backward-Wave Oscillators
Eser D., DEMİR Ş.
2019 IEEE Pulsed Power and Plasma Science, PPPS 2019, Florida, United States Of America, 23 - 29 June 2019, vol.2019-June
2019
2019A Multi-Box Behavioural Mixer Model and its Validation using Measurements
Ozgun A., Nesimoglu T., DEMİR Ş.
IEEE-MTT-S International Microwave Symposium (IMS), Massachusetts, United States Of America, 2 - 07 June 2019, pp.607-610
2018
2018Design and Implementation of Transmitting and Receiving Antenna Pair on Flat Ring Surface
Haykir Y., Karadag S., Dagdeviren B., Demir S.
18th Mediterranean Microwave Symposium (MMS), İstanbul, Turkey, 31 October - 02 November 2018, pp.36-38
2016
2016A precise and compact height of burst sensor for guided missiles
Yetkil Y., DEMİR Ş., Dagdeviren B., Donmez B.
2016 CIE International Conference on Radar, RADAR 2016, Guangzhou, China, 10 - 13 October 2016
2017
2017Design Studies of Axial Vircator for High Power Microwave Generation
KÜÇÜK İ. S., TİMUR B., Tanc Z., DEMİR Ş.
4th International Electromagnetic Compatibility Conference (EMC Turkiye), Ankara, Turkey, 24 - 27 September 2017
2017
2017Non-Uniformly Spaced PlanarPhased Array Antenna for Ku-Band Mobile Direct Broadcasting Satellite Reception Systems
Sahin L., Ozyurt E., Kapusuz K. Y., DEMİR Ş., Sen Y., Oguz U.
8th International Conference on Recent Advances in Space Technologies (RAST), İstanbul, Turkey, 19 - 22 June 2017, pp.203-207
2017
2017Monopulse Direction Finding For Linear Frequency Modulation Based Frequency Diverse Array
Turhaner A., DEMİR Ş., Hizal A.
IEEE Radar Conference (RadarConf), Washington, United States Of America, 8 - 12 May 2017, pp.89-94
2017
2017Range and Angle Measurement in a Linear Pulsed Frequency Diverse Array Radar
Cetiner R., DEMİR Ş., Hizal A.
IEEE Radar Conference (RadarConf), Washington, United States Of America, 8 - 12 May 2017, pp.64-67
2015
2015Ka-Band Phased Array Antenna with Circular Rim
Bayraktar O., Sevinc Y., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S.
IEEE International Symposium on Antennas and Propagation / USNC/URSI National North American Radio Science Meeting, Vancouver, Canada, 19 - 24 July 2015, pp.2479-2480
2015
2015RF MEMS Based Millimeter Wave Phased Array for Short Range Communication
Bayraktar O., Kobal E., Sevinc Y., Cetintepe C., Comart I., Demirel K., et al.
9th European Conference on Antennas and Propagation EuCAP, Lisbon, Portugal, 13 - 17 May 2015
2014
2014Examination of Target RCS Characteristics in FDA Radars
Cetintepe C., DEMİR Ş.
IEEE Antennas-and-Propagation-Society International Symposium (APSURSI), Tennessee, United States Of America, 6 - 11 July 2014, pp.1754-1755
2014
201415 W Power Amplifier Modules Using Coaxial Waveguide Combining by Planar Probes
Suna G., Eker T., Akkul M., Incebacak M., Demir S., Yliditim N.
IEEE Antennas-and-Propagation-Society International Symposium (APSURSI), Tennessee, United States Of America, 6 - 11 July 2014, pp.647-648
2014
2014Comparison of Efficient Power Combining Techniques
Suna G., Akkul M., DEMİR Ş., YILDIRIM N.
Joint USNC-URSI Radio Science Meeting / AP-S Symposium, Tennessee, United States Of America, 6 - 11 July 2014, pp.216
2013
2013Memory Polynomial with Shaped Memory Delay Profile and Modeling the Thermal Memory Effect
YÜZER A. H., Bassam S. A., Ghannouchi F. M., DEMİR Ş.
2013 IEEE International Conference on Electronics, Circuits, and Systems, Abu Dhabi, United Arab Emirates, 8 - 11 December 2013, pp.585-588
2013
2013A Fabrication Process Flow for Stacked Structural Layer Formation Using Au Au Thermocompression Bonding for RF MEMS Capacitive Switches
Topallı E., Çetintepe Ç., Aydın Çivi H. Ö., Demir Ş., Akın T.
14th Int. Symposium on RF-MEMS and RF-Microsystems, Potsdam, Germany, 1 - 03 July 2013
2012
2012Pulsed FMCW waveform design for LPI radars based on stretch processing
Hizal A., DEMİR Ş.
2012 9th European Radar Conference, EuRAD 2012 - Held as Part of 15th European Microwave Week, EuMW 2012, Amsterdam, Netherlands, 31 October - 02 November 2012, pp.306-309
2012
2012Calibration Quality Analysis of Phased Array Antennas
Kilic O., Yalim A., Cetintepe C., DEMİR Ş.
IEEE International Symposium on Antennas and Propagation, Illinois, United States Of America, 8 - 14 July 2012
2012
20121-6 GHz UWB phase shifter design and implementation with surface micromachining
Tokgöz K. K., Çetintepe Ç., DEMİR Ş.
6th European Conference on Antennas and Propagation, EuCAP 2012, Prague, Czech Republic, 26 - 30 March 2012, pp.2933-2937
2011
2011Efficiency improvement of power amplifiers without degraded linearity using a new topology and control method
Ronaghzadeh A., DEMİR Ş.
2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, İstanbul, Turkey, 13 - 20 August 2011
2011
2011Two layers substrate integrated waveguide power divider
Mohammadi P., DEMİR Ş.
2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, İstanbul, Turkey, 13 - 20 August 2011
2011
2011Reconfigurable antennas using RF-MEMS research in Turkey
Civi O. A., Demir Ş., Akın T.
2011 IEEE MTT-S International Microwave Symposium, IMS 2011, Baltimore, MD, United States Of America, 5 - 10 June 2011
2010
2010Design of a defected ground beam forming network
Kilic O., DEMİR Ş.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.307-309
2010
2010A nonlinear model for amplifiers with memory
Yuzer A. H., DEMİR Ş.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.277-280
2010
2010S-band hybrid 4 bit phase shifter
Erkek E., DEMİR Ş.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.40-43
2010
2010A 35 GHz coplanar waveguide power divider
Gürbüz O. D., Topalli K., Ünlü M., DEMİR Ş., AKIN T.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.22-24
2010
2010Wideband phase shifter design using lange coupler and radial stubs
Boyacioǧlu G., DEMİR Ş.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.36-39
2010
2010Design of a two layer aperture-coupled unequal power divider
Kilic O., DEMİR Ş.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.33-35
2010
201035 GHz phased array antenna using DMTL phase shifters
Guclu C., Cetintepe C., Civi O. A., DEMİR Ş., AKIN T.
2010 10th Mediterranean Microwave Symposium, MMS 2010, Guzelyurt, Cyprus (Gkry), 25 - 27 August 2010, pp.114-117
2010
2010X band High Power Ferrite Phase Shifter
Altan H., AYDIN ÇİVİ H. Ö., DEMİR Ş.
10th Mediterranean Microwave Symposium (MMS 2010), 25 - 27 August 2010
2010
2010A New Phase Measurement Technique for RF Power Amplifier Only Measuring Magnitudes
Yuzer A. H., DEMİR Ş.
Progress in Electromagnetics Research Symposium, Cambridge, Canada, 5 - 08 July 2010, pp.170-173
2010
2010Behavioral Modeling of Asymmetric Intermodulation Distortion of Nonlinear Amplifier
Yuzer A. H., DEMİR Ş.
Progress in Electromagnetics Research Symposium, Cambridge, Canada, 5 - 08 July 2010, pp.1115-1119
2008
2008RF MEMS Teknolojisi ile S Bandı Tümleşik Bant Geçiren Filtre Yapısı
ÇETİNTEPE Ç., DEMİR Ş., AKIN T.
URSI-Türkiye 2008 4. Bilimsel Kongresi, Antalya, Turkey, 20 - 22 October 2008, pp.137-140
2007
2007Reconfigurable RF MEMS Devices and Antennas
Kaan T., Ünlü M., İstanbulluoğlu İ., Atasoy H. İ., Bayraktar Ö., Aydın Çivi H. Ö., et al.
5th International Conference on Electrical and Electronics Engineering (ELECO 2007), Bursa, Turkey, 5 - 09 December 2007
2007
2007An elliptically polarized axial-mode helical antenna with a conformal polarizer
Secmen M., DEMİR Ş., Hizal A., AYDIN ÇİVİ H. Ö.
2nd European Conference on Antennas and Propagation, EuCAP 2007, Edinburgh, United Kingdom, 11 - 16 November 2007, vol.2007
2007
2007Beam switching reflectarray using RF MEMS technology
Bayraktar O., Topalli K., Unlu M., Civi O., Demir Ş., Akın T.
2nd European Conference on Antennas and Propagation, EuCAP 2007, Edinburgh, United Kingdom, 11 - 16 November 2007, vol.2007
2007
2007Frequency diverse array antenna with periodic time modulated pattern in range and angle
Secmen M., Demir Ş., Hizal A., Eker T.
IEEE 2007 Radar Conference, Waltham, MA, United States Of America, 17 - 20 April 2007, pp.427-430
2007
2007Monolithically Integrated MEMS Phased Array
Topallı K., Aydın Çivi H. Ö., Demir Ş., Koç S. S., Akın T.
Proceedings of 8th International Symposium on RF MEMS and RF Microsystems, MEMSWAVE, Barcelona, Spain, 26 - 29 June 2007, pp.119-122
2007
2007Dual-frequency reconfigurable slot dipole array with a CPW-based feed network using RF MEMS technology for X- and Ka-band applications
Topalli K., Civi Ö. A., Demir Ş., Koc S., Akin T.
2007 IEEE Antennas and Propagation Society International Symposium, AP-S, Honolulu, HI, United States Of America, 10 - 15 June 2007, pp.825-828
2007
2007Accuracy of the equivalent noise model of clutter in radar equation
DEMİR Ş., Secmen M., Hizal A.
International Radar Symposium 2007, IRS 2007, Cologne, Germany, 5 - 07 September 2007, vol.2007-January
2006
2006A monolithic phased array using 3-bit DMTL RF MEMS phase shifters
Topalli K., Unlu M., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S., AKIN T.
IEEE Antennas and Propagation Society International Symposium, APS 2006, Albuquerque, NM, United States Of America, 9 - 14 July 2006, pp.517-520
2006
2006Comparison of the detection performance of an FMCW coastal surveillance radar for v and H polarizations
Secmen M., DEMİR Ş., Hizal A., Candan N.
2nd Microwave and Radar Week in Poland - International Radar Symposium, IRS 2006, Krakow, Poland, 24 - 26 May 2006
2006
2006Design and implementation of a triple-band re-configurable microstrip antenna
Onat S., ALATAN L., DEMİR Ş.
European Conference on Wireless Technologies, Manchester, United Kingdom, 10 - 12 September 2006, pp.326-327
2006
2006Investigation of on-wafer TRL calibration accuracy dependence on transitions and probe positioning
Atasoy H., Unlu M., Topalli K., Istanbulluoglu I., Temocin E., Bayraktar O., et al.
36th European Microwave Conference, EuMC 2006, Manchester, United Kingdom, 10 - 12 September 2006, pp.1582-1585
2006
2006A reconfigurable RF MEMS triple stub impedance matching network
Unlu M., Topalli K., Atasoy H., Temocin E., Istanbulluoglu I., Bayraktar O., et al.
36th European Microwave Conference, EuMC 2006, Manchester, United Kingdom, 10 - 12 September 2006, pp.1370-1373
2006
2006RF MEMS Teknolojisi ile Tek Parça Faz Dizili Anten Yapisi
TOPALLI K., ÜNLÜ M., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S., AKIN T.
National URSI Symposium Turkey, Ankara, Turkey, 6 - 08 September 2006, pp.413-415
2006
2006RF MEMS Teknolojisi ile Ayarlanabilir Empedans Uyumlama Devresi
ÜNLÜ M., TOPALLI K., DEMİR Ş., AYDIN ÇİVİ H. Ö., KOÇ S. S., AKIN T.
National URSI Symposium Turkey, Ankara, Turkey, 6 - 08 September 2006, pp.407-409
2006
2006RF MEMS Tekonolojisi Kullanilarak Tasarlanmis Ayarlanabilir Bant Geçiren Baglanmis Hat Süzgeç
İSTANBULLUOĞLU İ., TOPALLI K., TEMOÇİN E. U., ATASOY H. İ., ÜNLÜ M., BAYRAKTAR Ö., et al.
National URSI Symposium Turkey, Ankara, Turkey, 6 - 08 September 2006, pp.416-418
2006
2006RF MEMS Tekonolojisi ile Kapasitif ve Metal Metal Baglantili Paralel Anahtar Yapilari
ATASOY H. İ., TOPALLI K., ÜNLÜ M., İSTANBULLUOĞLU İ., ENGİN UFUK T., ÖMER B., et al.
National URSI Symposium Turkey, Turkey, 6 - 08 September 2006, pp.410-412
2006
2006TRL Kalibrasyonunda Uç Konumlandirmasi ve Geçislerin Etkileri
ATASOY H. İ., ÜNLÜ M., TOPALLI K., İSTANBULLUOĞLU İ., TEMOÇİN E. U., BAYRAKTAR Ö., et al.
National URSI Symposium Turkey, Turkey, 6 - 08 September 2006, pp.426-428
2006
2006Esdüzlemsel Dalga Klavuzundan Mikroserit Hatta Geçis Üzerine Çalismalar
TEMOÇİN E. U., TOPALLI K., ÜNLÜ M., İSTANBULLUOĞLU İ., ATASOY H. İ., BAYRAKTAR Ö., et al.
National URSI Symposium Turkey, Ankara, Turkey, 6 - 08 September 2006, pp.448-450
2006
2006RF MEMS Teknolojisi ile Yansitici Dizi Anteni Tasarimi
BAYRAKTAR Ö., TOPALLI K., ÜNLÜ M., İSTANBULLUOĞLU İ., ENGİN UFUK T., ATASOY H. İ., et al.
National URSI Symposium Turkey, Ankara, Turkey, 6 - 08 September 2006, pp.438-440
2006
2006Metal to metal and capacitive contact RF MEMS shunt switch structures
ATASOY H. İ., TOPALLI K., ÜNLÜ M., İSTANBULLUOĞLU İ., TEMOÇİN E. U., BAYRAKTAR Ö., et al.
7th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), 27 - 30 June 2006, pp.154-156
2006
2006A Reconfigurable RF MEMS Impedance Tuner for Impedance Matching of a Two Stage Low Noise Amplifier
ÜNLÜ M., TOPALLI K., ATASOY H. İ., TEMOÇİN E. U., İSTANBULLUOĞLU İ., BAYRAKTAR Ö., et al.
7th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), 27 - 30 June 2006
2006
2006Reconfigurable slot antenna with fixed-fixed beam type RF MEMS capacitors
Erdil E., Topalli K., Unlu M., Istanbulluoglu I., Temocin E. U., Atasoy H. I., et al.
European Conference on Antennas and Propagation: EuCAP 2006, Nice, France, 6 - 10 November 2006, vol.626 SP
2006
2006Reconfigurable reflectarray using RF MEMS technology
Bayraktar O., Topalli K., Unlu M., Istanbulluoglu I., Temocin E. U., Atasoy H. I., et al.
European Conference on Antennas and Propagation: EuCAP 2006, Nice, France, 6 - 10 November 2006, vol.626 SP
2006
2006A compact corporate probe fed antenna array
Secmen M., DEMİR Ş., ALATAN L., AYDIN ÇİVİ H. Ö., Hizal A.
European Conference on Antennas and Propagation: EuCAP 2006, Nice, France, 6 - 10 November 2006, vol.626 SP
2004
2004RF MEMS teknolojisi ile mikroserit ve esduzlemsel dalga kilavuzu hat ustunde paralel anahtar yapilari
TOPALLI K., ÜNLÜ M., DEMİR Ş., AYDIN ÇİVİ H. Ö., KOÇ S. S., AKIN T.
National URSI Symposium Turkey, Turkey, 8 - 10 September 2004, pp.370-372
2005
2005Design of a Re-configurable dual frequency microstrip antenna with integrated RF MEMS switches
Onat S., Ünlü M., Alatan L., Demir Ş., Akın T.
2005 IEEE Antennas and Propagation Society International Symposium and USNC/URSI Meeting, Washington, United States Of America, 3 - 08 July 2005, pp.384-387
2005
2005Reconfigurable Antenna Structures Using MEMS Technology
Erdil E., Onat S., Topallı K., İstanbulluoğlu İ., Ünlü M., Demir Ş., et al.
6th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), Lausanne, Switzerland, 23 - 24 June 2005
2004
2004Practical performance of planar spiral inductors
Telli A., DEMİR Ş., Aşkar M.
11th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2004, Tel-Aviv-Yafo, Israel, 13 - 15 December 2004, pp.487-490
2004
2004Presentation of a multi-tone model and its application to feedforward circuit analysis
Coskun H., Mutlu A., DEMİR Ş.
Conference Proceedings- 34th European Microwave Conference, London, United Kingdom, 12 - 14 October 2004, vol.1, pp.209-212
2004
2004An alternative multi-tone representation of complex signals for feedforward systems
Coskun H., Mutlu A., DEMİR Ş.
Proceedings - 2004 IEEE Radio and Wireless Conference, RAWCON, Atlanta, GA, United States Of America, 19 - 22 September 2004, pp.507-510
2004
2004A parametric modeling study on distributed MEMS transmission lines
Unlu M., Topalli K., Demir Ş., Civi O., Koc S., Akin T.
Conference Proceedings- 34th European Microwave Conference, London, United Kingdom, 12 - 14 October 2004, vol.3, pp.1157-1160
2004
2004Siralanmis MEMS iletim hatlari icin yeni bir model
ÜNLÜ M., TOPALLI K., DEMİR Ş., AYDIN ÇİVİ H. Ö., KOÇ S. S., AKIN T.
National URSI Symposium Turkey, Turkey, 8 - 10 September 2004, pp.435-437
2004
2004Design and Modeling of a Reconfigurable Triple Stub Impedance Matching Network using Distributed MEMS Transmission Lines
ÜNLÜ M., TOPALLI K., DEMİR Ş., AYDIN ÇİVİ H. Ö., KOÇ S. S., AKIN T.
5th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), 30 June - 02 July 2004
2004
2004Design of triple-band reconfigurable microstrip antenna employing RF-MEMS switches
Onat S., Alatan L., Demir Ş.
IEEE Antennas and Propagation Society Symposium 2004 Digest held in Conjunction with: USNC/URSI National Radio Science Meeting, Monterey, CA, United States Of America, 20 - 25 June 2004, vol.2, pp.1812-1815
2004
2004A new model for distributed mems transmission lines
Topalli K., Unlu M., Sagkol H., Demir Ş., Civi O., Koc S., et al.
IEEE Antennas and Propagation Society Symposium 2004 Digest held in Conjunction with: USNC/URSI National Radio Science Meeting, Monterey, CA, United States Of America, 20 - 25 June 2004, vol.3, pp.2855-2858
2003
2003Antenna array feed network topology determination with frequency bandwidth considerations
DEMİR Ş.
2003 IEEE International Antennas and Propagation Symposium and USNC/CNC/URSI North American Radio Science Meeting, Columbus, OH, United States Of America, 22 - 27 June 2003, vol.3, pp.942-945
2003
2003Matching circuit design using ant colony optimization method
DEMİR Ş.
2003 IEEE International Antennas and Propagation Symposium and USNC/CNC/URSI North American Radio Science Meeting, Columbus, OH, United States Of America, 22 - 27 June 2003, vol.2, pp.84-87
2003
2003A CDMA system wideband feedforward linearizer design based on an analytical model
Coskun A., DEMİR Ş.
IEEE Radio and Wireless Conference (RAWCON 2003), Massachusetts, United States Of America, 10 - 13 August 2003, pp.191-194
2003
2003Application of an analytical model to an actual CDMA system feedforward linearizer
Coskun A. H., DEMİR Ş.
33rd European Microwave Conference, EuMC 2003, Munich, Germany, 07 October 2003, vol.2, pp.773-776
2003
2003Planar spiral inductor modeling for RFIC design
Telli A., DEMİR Ş., Askar M.
International Conference on VLSI, Nevada, United States Of America, 23 - 26 June 2003, pp.138-142
2002
2002RF MEMS Teknolojisi ile Mikrodalga Faz Kaydiricilari
SAĞKOL H., ÜNLÜ M., TOPALLI K., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S., et al.
URSI-Türkiye'2002, Turkey, 18 - 20 September 2002, pp.138-141
2002
2002RF MEMS Teknolojisi ile Faz Dizili Anten
TOPALLI K., SAĞKOL H., ÜNLÜ M., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S., et al.
URSI-Türkiye'2002, Turkey, 18 - 20 September 2002, pp.134-137
2002
2002Anten Uygulamalari için Yeni MEMS Anahtar Yapiları
ÜNLÜ M., SAĞKOL H., TOPALLI K., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S., et al.
URSI-Türkiye'2002, Turkey, 18 - 20 September 2002, pp.146-149
2002
2002RF MEMS Teknolojisi ile Ayarlanabilir Empedans Uyumlama ve Güç Bölücü Devreleri
ÜNLÜ M., SAĞKOL H., TOPALLI K., AYDIN ÇİVİ H. Ö., DEMİR Ş., KOÇ S. S., et al.
URSI-Türkiye'2002, Turkey, 18 - 20 September 2002, pp.142-145
2002
2002RF MEMS adjustable impedance matching network and adjustable power divider
Unlu M., Topalli K., Sagkol H., DEMİR Ş., AYDIN ÇİVİ H. Ö., KOÇ S. S., et al.
2002 IEEE Antennas and Propagation Society International Symposium, San Antonio, TX, United States Of America, 16 - 21 June 2002, vol.2, pp.26-29
2002
2002An approach of thinning planar phased array antenna by using finite difference method
Cemil A., DEMİR Ş.
2002 IEEE Antennas and Propagation Society International Symposium, San Antonio, TX, United States Of America, 16 - 21 June 2002, vol.1, pp.632-635
2002
2002A monolithic phased array with RF MEMS technology
Sagkol H., Topalli K., Unlu M., AYDIN ÇİVİ H. Ö., KOÇ S. S., DEMİR Ş., et al.
2002 IEEE Antennas and Propagation Society International Symposium, San Antonio, TX, United States Of America, 16 - 21 June 2002, vol.4, pp.760-763
2002
2002A better approximation of small reflections for synthesis of impedance matching networks for antenna arrays
DEMİR Ş.
2002 IEEE Antennas and Propagation Society International Symposium, San Antonio, TX, United States Of America, 16 - 21 June 2002, vol.3, pp.802-805
2002
2002New MEMS Swich Structures for Antenna Applications
ÜNLÜ M., TOPALLI K., SAĞKOL H., DEMİR Ş., AYDIN ÇİVİ H. Ö., KOÇ S. S., et al.
2002 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, 16 - 21 June 2002
2002
2002An all 50 ohm divider/combiner structure
Turan E., DEMİR Ş.
2002 IEEE MTT-S International Microwave Symposium Digest, Seattle, WA, United States Of America, 2 - 07 June 2002, vol.1, pp.105-108
1998
1998Noise in the presence of coupling among antenna elements
DEMİR Ş., TOKER C., Hizal A.
1998 28th European Microwave Conference, EuMC 1998, Amsterdam, Netherlands, 5 - 09 October 1998, vol.2, pp.612-617
1998
1998Optimum number of antenna elements in a sub-Array for highest G/T
Demir Ş.
1998 IEEE Antennas and Propagation Society International Symposium, APSURSI 1998, Georgia, United States Of America, 21 - 26 June 1998, vol.2, pp.1192-1195
1997
1997Design of an active microstrip array using a microwave circuit simulator
Demir Ş., Toker C., Hizal A.
Proceedings of the 1997 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications, Vancouver, Canada, 23 - 26 February 1997, pp.103-106
1997
1997A novel low noise active circuit replacement criteria for parallel FED large scale active antenna arrays
Demir Ş., Toker C., Bizal A.
1997 27th European Microwave Conference, EuMC 1997, Jerusalem, Israel, 8 - 12 September 1997, vol.1, pp.56-61
Patent
2015
2015Microfluidic channel integrated microwave mems biosensor
Patent
Pending / Applied, The Invention Recourse Number: EP15777752.5 , Standard Registration
2013
2013Simultaneous phase and amplitude control using triple stub topology and its implementation using rf mems technology
Patent
Registered / Approved, The Invention Registration Number: EP2478585B1 , Standard Registration
2012, 2013
2012, 2013SIMULTANEOUS PHASE AND AMPLITUDE CONTROL USING TRIPLE STUB TOPOLOGY AND ITS IMPLEMENTATION USING RF MEMS TECHNOLOGY
Patent
Registered / Approved, The Invention Registration Number: 2012 02917
2012
2012Simultaneous phase and amplitude control using triple stub topology and its implementation using rf mems technology
Patent
Registered / Approved, The Invention Registration Number: 2012 02917 , Standard Registration
Scholarships
1995 - 1995
1995 - 1995