Prof.ŞİMŞEK DEMİR


Faculty of Engineering, Department of Electrical and Electronics Engineering


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


Names in Publications: Demir Simşek, Demir Şimsek, Demir Şimşek, Demir Simsek, Dernir Simsek

Metrics

Publication

135

Citation (WoS)

431

H-Index (WoS)

10

Citation (Scopus)

991

H-Index (Scopus)

13

Project

7

Intellectual Property

4

Thesis Advisory

86

Open Access

77
UN Sustainable Development Goals

Education Information

1993 - 1998

1993 - 1998

Doctorate

Middle East Technical University, Faculty Of Engineering, Elektrik-Elektronik Mühendisliği Bölümü, Turkey

1991 - 1993

1991 - 1993

Postgraduate

Middle East Technical University, Faculty Of Engineering, Elektrik-Elektronik Mühendisliği Bölümü, Turkey

1987 - 1991

1987 - 1991

Undergraduate

Middle East Technical University, Faculty Of Engineering, Elektrik-Elektronik Mühendisliği Bölümü, Turkey

Dissertations

1998

1998

Doctorate

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

1993

Postgraduate

Wideband mmic amplifier design

Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü

Foreign Languages

C1 Advanced

C1 Advanced

English

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 - Continues

Professor

Middle East Technical University, Faculty Of Engineering, Department Of Electrical And Electronics Engineering

2006 - 2013

2006 - 2013

Associate Professor

Middle East Technical University, Faculty Of Engineering, Department Of Electrical And Electronics Engineering

2000 - 2006

2000 - 2006

Assistant Professor

Middle East Technical University, Faculty Of Engineering, Department Of Electrical And Electronics Engineering

1996 - 2000

1996 - 2000

Lecturer

Middle East Technical University, Faculty Of Engineering, Department Of Electrical And Electronics Engineering

1998 - 1999

1998 - 1999

Medical Doctor

Technische Universiteit Delft, International Research Center for Telecomunnication Transmission and Radar

1991 - 1996

1991 - 1996

Research Assistant

Middle East Technical University, Faculty Of Engineering, Department Of Electrical And Electronics Engineering

1995 - 1995

1995 - 1995

Researcher

University of Massachusetts Amherst, Faculty of Engineering, ECE

Managerial Experience

2011 - 2013

2011 - 2013

Deputy Head of Department

Middle East Technical University, Faculty of Engineering, Elektrik-Elektronik Mühendisliği Bölümü

Non Academic Experience

2013 - Continues

2013 - Continues

Managing Director

Company, PRF Araştırma Geliştirme Müh. San ve Tic. A.Ş., Yönetim

2012 - Continues

2012 - Continues

Mütevelli Heyeti Başkanı

Non-profit Organisation, ODTÜ Prof Dr Mustafa Parlar Eğitim ve Araştırma Vakfı, Vakıf

2015 - 2020

2015 - 2020

Araştırmacı

Company, AREFSENS A.Ş., Yönetim

Advising Theses

2021

2021

Doctorate

Design and performance evaluation of 2D LFMCW FDA

DEMİR Ş. (Consultant)

S.KARADAĞ(Student)

2019

2019

Doctorate

Detection of electro-explosive detonators by RF signature

DEMİR Ş. (Consultant)

Ö.Kılıç(Student) Creative Commons License

2018

2018

Postgraduate

Beam modulation in double gap virtual cathode oscillator

DEMİR Ş. (Consultant)

İ.SEMİH(Student) Creative Commons License

2018

2018

Doctorate

Design of miniaturized Ku band narrowband cavity filter

DEMİR Ş. (Consultant)

Y.SEVİNÇ(Student) Creative Commons License

2018

2018

Postgraduate

High power magnetron design and electron emission haracteristics

DEMİR Ş. (Consultant)

M.CEMAL(Student)

2017

2017

Postgraduate

Optical system design of direct detection short-pulsed laser proximity sensor

YERCİ S. (Co-Consultant), DEMİR Ş. (Co-Consultant)

E.Korkmaz(Student) Creative Commons License

2016

2016

Postgraduate

Broadband microwave diode mixer design and implementation

DEMİR Ş. (Consultant)

E.KOÇ(Student)

2016

2016

Postgraduate

Design of an x-band 3-bit rf mems constant phase shifter

DEMİR Ş. (Co-Consultant), AKIN T. (Co-Consultant)

A.KUZUBAŞLI(Student) Creative Commons License

2015

2015

Doctorate

Analysis of frequency diverse arrays for radar and communication applications

DEMİR Ş. (Co-Consultant), KOÇ S. S. (Co-Consultant)

Ç.ÇETİNTEPE(Student) Creative Commons License

2014

2014

Postgraduate

Countermeasure methods for high power microwave pulses /

DEMİR Ş. (Consultant)

M.KESKİN(Student) Creative Commons License Sustainable Development

2014

2014

Postgraduate

Design of high power waveguide limiter /

YILDIRIM N. (Co-Consultant), DEMİR Ş. (Co-Consultant)

A.YILMAZ(Student) Creative Commons License

2013

2013

Postgraduate

Identification of memory terms in a power amplifier

DEMİR Ş. (Consultant)

E.DURSUN(Student) Creative Commons License

2013

2013

Postgraduate

Design and realization of high power low loss combiners

DEMİR Ş. (Co-Consultant), YILDIRIM N. (Co-Consultant)

G.SUNA(Student) Creative Commons License

2012

2012

Postgraduate

A new approach for distributed amplifier design

DEMİR Ş. (Consultant)

İ.GÖKHAN(Student) Creative Commons License

2012

2012

Postgraduate

Broadband spatial power combining in coaxial medium

DEMİR Ş. (Consultant)

Z.TANÇ(Student)

2012

2012

Postgraduate

X-band high power solid state RF switch

DEMİR Ş. (Consultant)

K.GÜZEL(Student) Creative Commons License

2010

2010

Postgraduate

Reliability improvement of RF MEMS devices based on lifetime measurements

DEMİR Ş. (Co-Consultant), AKIN T. (Co-Consultant)

O.DOĞAN(Student) Creative Commons License

2010

2010

Postgraduate

X-band high power ferrite phase shifters

DEMİR Ş. (Co-Consultant), AYDIN ÇİVİ H. Ö. (Co-Consultant)

H.İLHAN(Student) Creative Commons License

2010

2010

Postgraduate

Development of MEMs technology based microwave and millimeter-wave components

DEMİR Ş. (Co-Consultant), AKIN T. (Co-Consultant)

Ç.ÇETİNTEPE(Student) Creative Commons License

2010

2010

Postgraduate

Wideband phase shifter for 6-18 GHz applications

DEMİR Ş. (Consultant)

G.BOYACIOĞLU(Student) Creative Commons License

2010

2010

Postgraduate

Zero-level packaging of microwave and millimeterwave mems components

DEMİR Ş. (Co-Consultant), AKIN T. (Co-Consultant)

İ.COMART(Student) Creative Commons License

2009

2009

Postgraduate

Milimeterwave FMCW radar design

DEMİR Ş. (Consultant)

D.İÇÖZ(Student) Creative Commons License

2009

2009

Postgraduate

S-band hybrid 4 bit phase shifter using cots components

DEMİR Ş. (Consultant)

E.ERKEK(Student) Creative Commons License

2008

2008

Postgraduate

Theory and design of microwave fet frequency triplers

DEMİR Ş. (Consultant)

İ.BOZKURT(Student) Creative Commons License

2008

2008

Postgraduate

CFAR detection in K-distributed sea clutter

DEMİR Ş. (Consultant)

A.ÇETİN(Student) Creative Commons License

2007

2007

Postgraduate

Range resolution improvement of FMCW radars

DEMİR Ş. (Consultant)

S.KURT(Student) Creative Commons License

2006

2006

Postgraduate

X-band 7 bit mmic phase shifter design

DEMİR Ş. (Consultant)

E.Erçil(Student) Creative Commons License

2006

2006

Postgraduate

X band 7 BIT MMIC phase shifter design

DEMİR Ş. (Consultant)

E.ERÇİL(Student)

2006

2006

Postgraduate

Millimeter wave MMIC amplifier linearization by predistortion

DEMİR Ş. (Consultant)

B.ÇAĞLAR(Student)

2006

2006

Postgraduate

Re-configurable microstrip patch antennas controlled by RF mems switches

DEMİR Ş. (Co-Consultant), ALATAN L. (Co-Consultant)

S.ONAT(Student) Creative Commons License

2006

2006

Postgraduate

Milimeter wave MMIC amplifier linearization by predistortion

DEMİR Ş. (Consultant)

B.Çağlar(Student) Creative Commons License

2005

2005

Postgraduate

Design of an FM-CW radar altimeter

DEMİR Ş. (Co-Consultant), TANIK Y. (Co-Consultant)

Y.BARIŞ(Student) Creative Commons License

2004

2004

Postgraduate

Mimic vector modulator design

DEMİR Ş. (Consultant)

M.Altuntaş(Student) Creative Commons License

2004

2004

Postgraduate

MMIC vector modulator design

DEMİR Ş. (Consultant)

M.ALTUNTAŞ(Student)

2003

2003

Postgraduate

An adjustable impedance matching network using RF MEMS technology

DEMİR Ş. (Co-Consultant), AKIN T. (Co-Consultant)

M.ÜNLÜ(Student) Creative Commons License

Designed Lessons

Postgraduate

Postgraduate

Pulsed Power Microwave Systems

Demir Ş.

Postgraduate

Postgraduate

Mikrodalga Devre Tasarımı

Demir Ş.

Published journal articles indexed by SCI, SSCI, and AHCI

2019

2019

Highly 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) identifier identifier

2018

2018

Investigation 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) identifier identifier

2017

2017

A 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) identifier identifier

2014

2014

Multipath 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) identifier identifier

2014

2014

A 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) identifier identifier

2013

2013

Height 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) identifier identifier

2013

2013

A 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) identifier identifier

2013

2013

Exploitation 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) identifier identifier

2010

2010

E-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) identifier identifier

2010

2010

Hybrid 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) identifier identifier

2009

2009

Tunable 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) identifier identifier

2008

2008

High-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) identifier identifier

2008

2008

A 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) identifier identifier

2008

2008

Zero 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) identifier identifier

2006

2006

Dual-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) identifier identifier

2006

2006

New 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) Creative Commons License identifier identifier

2006

2006

CMOS 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) identifier identifier

2005

2005

A 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) identifier identifier

2005

2005

Comments 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) identifier

2004

2004

Efficiency 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) identifier identifier

2003

2003

A 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) identifier identifier

2003

2003

Design of Wideband Impedance Transformers

Demir Ş.

IEEE Antennas and Propagation Magazine, vol.45, no.5, pp.71-72, 2003 (SCI-Expanded) identifier identifier

1999

1999

Optimum 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) identifier identifier

Articles Published in Other Journals

2019

2019

Prospects 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) identifier

2019

2019

Space 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) identifier

2014

2014

Loss reduction in substrate integrated waveguide structures

Mohammadi P., DEMİR Ş.

Progress In Electromagnetics Research C, vol.46, pp.125-133, 2014 (Scopus) Creative Commons License identifier

2014

2014

Substrate 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) identifier

2013

2013

Designing 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) Creative Commons License identifier

2012

2012

Multi-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) identifier

Refereed Congress / Symposium Publications in Proceedings

2021

2021

Otonom 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 Sustainable Development

2021

2021

Compact 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 identifier

2020

2020

A 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 identifier identifier

2019

2019

Cold 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 identifier

2019

2019

A 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 identifier identifier

2018

2018

Design 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 identifier identifier

2016

2016

A 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 identifier

2017

2017

Design 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 identifier identifier

2017

2017

Non-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 identifier identifier

2017

2017

Monopulse 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 identifier identifier

2017

2017

Range 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 identifier identifier

2015

2015

Ka-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 identifier identifier

2015

2015

RF 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 identifier identifier

2014

2014

Examination 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 identifier identifier

2014

2014

15 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 identifier identifier

2014

2014

Comparison 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 identifier identifier

2013

2013

Memory 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 identifier identifier

2012

2012

Pulsed 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 identifier identifier

2012

2012

Calibration 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 identifier identifier

2012

2012

1-6 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 identifier

2011

2011

Efficiency 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 identifier

2011

2011

Two 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 identifier

2011

2011

Reconfigurable 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 identifier

2010

2010

Design 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 identifier

2010

2010

A 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 identifier

2010

2010

S-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 identifier

2010

2010

A 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 identifier

2010

2010

Wideband 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 identifier

2010

2010

Design 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 identifier

2010

2010

35 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 identifier

2010

2010

X band High Power Ferrite Phase Shifter

Altan H., AYDIN ÇİVİ H. Ö. , DEMİR Ş.

10th Mediterranean Microwave Symposium (MMS 2010), 25 - 27 August 2010 identifier

2010

2010

A 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 identifier identifier

2010

2010

Behavioral 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 identifier identifier

2008

2008

RF 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

2007

Reconfigurable 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

2007

An 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 identifier

2007

2007

Beam 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 identifier

2007

2007

Frequency 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 identifier

2007

2007

Monolithically 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

2007

Dual-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 identifier identifier

2007

2007

Accuracy 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 identifier

2006

2006

A 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 identifier

2006

2006

Comparison 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 identifier

2006

2006

Design 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 identifier identifier

2006

2006

Investigation 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 identifier identifier

2006

2006

A 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 identifier identifier

2006

2006

RF 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

2006

RF 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

2006

RF 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

2006

Metal 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

2006

Reconfigurable 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 identifier

2006

2006

Reconfigurable 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 identifier

2006

2006

A 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 identifier

2005

2005

Design 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 identifier

2005

2005

Reconfigurable 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

2004

Practical 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 identifier

2004

2004

Presentation 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 identifier

2004

2004

An 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 identifier

2004

2004

A 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 identifier identifier

2004

2004

Siralanmis 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

2004

Design 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 identifier identifier

2004

2004

A 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 identifier identifier

2003

2003

Antenna 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 identifier

2003

2003

Matching 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 identifier

2003

2003

A 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 identifier identifier

2003

2003

Application 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 identifier

2003

2003

Planar 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 identifier identifier

2002

2002

RF 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

2002

RF 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 identifier

2002

2002

An 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 identifier

2002

2002

A 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 Creative Commons License identifier

2002

2002

A 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 identifier

2002

2002

New 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

2002

An 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 identifier

1998

1998

Noise 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 identifier

1998

1998

Optimum 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 identifier identifier

1997

1997

Design 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 identifier identifier

1997

1997

A 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 identifier identifier

Patent

2015

2015

Microfluidic channel integrated microwave mems biosensor

Patent

Pending / Applied, The Invention Recourse Number: EP15777752.5 , Standard Registration

2013

2013

Simultaneous 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, 2013

SIMULTANEOUS PHASE AND AMPLITUDE CONTROL USING TRIPLE STUB TOPOLOGY AND ITS IMPLEMENTATION USING RF MEMS TECHNOLOGY

Patent

Registered / Approved, The Invention Registration Number: 2012 02917 , Registration in Multiple Countries

2012

2012

Simultaneous 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

NATO A-2 Fellowship

NATO

Citations

Total Citations (WOS): 431

h-index (WOS): 10

Entrepreneurship Activities

PRF ArGe A.Ş.

Anonymous, PRF ArGe A.Ş., 16 July 2013, Founder Owner

AREFSENS A.Ş.

Anonymous, AREFSENS A.Ş., 05 January 2015, Co-Founder