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Prof.Dr. ŞİMŞEK DEMİR
FACULTY OF ENGINEERING
PublicationsResearchMembership & Awards
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Phone :  +90312210 2301
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Education

  Bachelor's, Middle East Technical University, Electric-electronic. Eng.
  Master's, Middle East Technical University, Electric-electronic. Eng.
  Doctorate, Middle East Technical University, Electric-electronic. Eng.

Publications (INTERNATIONAL)

Journal Papers

  A.1 Ş. Demir, C. Toker, Optimum Design of Feed Structures for High G/T Passive and Active Antenna Arrays. "IEEE Transactions on Antennas and Propagation", AP-47, (1999), p.443-452.
  A.2 H. Coskun, S. Demir,, A Mathematical Characterization and Analysis of a Feedforward Circuit for CDMA Applications. "IEEE Trans. on Microwave Theory and Tech", 51, (2003), p.767-777.
  A.3 S. Demir, Design of Wideband Impedance Transformers. "IEEE Antennas and Prop. Mag.", 45, (2003), p.71-72.
  A.4 Demir, Ş., Efficiency Calculation of Feed Structures and Optimum Number of Antenna Elements in a Subarray for Highest G/T . "IEEE Transactions on Microwave Theory and Techniques", 52, (2004), p.1024-1029.
  A.5 Simsek Demir, Comments on "A Different Perspective on Taper Efficiency for Array Antennas". "IEEE Transactions on Antennas and Propagation", 53, (2005), p.1247-1248.
  A.6 H. Coskun, A. Mutlu, S. Demir, A Multi-tone Model of Complex Enveloped Signals and Its Application in Feedforward Circuit Analysis. "IEEE Transactions on Microwave Theory and Techniques", 53, (2005), p.2171-2178.
  A.7 M. Secmen, S. Demir and A. Hizal,, Dual-Polarized T/R Antenna System Suitable for FMCW Altimeter Radar Applications. "IEE Proc.-Microw. Antennas Propag", 153, (2006), p.407-412.
  A.8 K. Topalli, M. Unlu, S. Demir, O. A. Civi, S. Koc, and T. Akin, A New Approach for Modeling Distributed MEMS Transmission Lines. "IEE Proc.-Microw. Antennas Propag", 153, (2006), p.152-162.
  A.9 A. Telli, S. Demir, M. Askar, CMOS planar spiral inductor modeling and low noise amplifier design. "Microelectronics Journal", 37, (2006), p.71-78.
  A.10 S. Kurt, S. Demir, A. Hizal, Zero Crossing Counter for Accuracy Improvement of FMCW Range Detection. "Turkish Journal of Electrical Engineering and Computer Sciences", 16, (2008), p.125-132.
  A.11 N. Sahan, M. E. Inal, S. Demir,C. Toker,, High Power 20-100 MHz Linear and Efficient Power Amplifier Design. "IEEE Transaction on Microwave Theory and Techniques", 56, (2008), p.2032-2039.
  A.12 K. Topalli, O. Aydin Civi, S. Demir, S. Koc, and T. Akin, A Monolithic Phased Array using 3-bit Distributed RF MEMS Phase Shifters. "IEEE Trans. Microwave Theory Tech. Techniques", 56, (2008), p.270-277.
  A.13 K. Topalli, E. Erdil, O. A.Civi, S. Demir, S. Koc, and T. Akin, Tunable Dual-Frequency RF MEMS Rectangular Slot Ring Antenna. "Sensors and Actuators A: Physical", 156, (2009), p.373-380.
  A.14 K. Topalli, M. Unlu, H. Atasoy, S. Demir, O. Civi, and T. Akin, Empirical Formulation of Bridge Inductance in Inductively Tuned RF MEMS Shunt Switches. "Progress In Electromagnetics Research,", 97, (2009), p.343-356.
  A.15 M. Unlu, K. Topalli, H. I. Atasoy, S. Demir, O. A. Civi, T. Akin, Hybrid Connection of RF MEMS and SMT Components in an Impedance Tuner. "AEU Int. Journal of Electronics and Communication", (2010), p.748-756.
  A.16 M. Secmen, S. Demir and A. Hizal, E-Plane Sectoral Horn Power Divider. "IET Proc.-Microw. Antennas Propag.", 4, (2010), p.191-199.
 

Conference Papers

  A.1 Ş. Demir, C. Toker, A. Hızal, Active Circuit Design to be used in conjunction with a microstrip patch array antenna. "COST 245 ESA Workshop on Active Antennas", (1996), p.237-241.
  A.2 A. Hızal, Ş. Demir, L. Alatan, C. Bulutay, H. Yıldız, Performance of a 10 GHz 32 Elements Receiving Planar Microstrip Array. "COST 245 ESA Workshop on Active Antennas", (1996), p.205-209.
  A.3 Ş. Demir, C. Toker, A. Hızal, Design of Active Microstrip Array Using a Microwave Circuit Simulator. "IEEE MTT-S International Topical Symp on Technologies for Wireless Applications", (1997), p.103-106.
  A.4 Ş. Demir, C. Toker, A. Hızal, A Novel Low NoiseActive Circuit Replacement Criteria for Parallel Fed Large Scale Active Antenna Arrays. "27th European Microwave Conference", (1997), p.56-61.
  A.5 Ş. Demir, C. Toker, A. Hızal, Noise in the Presence of Coupling Among Antenna Elements. "28th European Microwave Conference", (1998), p.617-617.
  A.6 Ş. Demir, C. Toker, Antenna Array Feed Network Efficieny and The Antenna Array Noise Temperature. "URSI International Symp. on Electromagnetics Theory", (1998), p.118-120.
  A.7 Ş. Demir, Optimum number of antenna elements in a sub-array for highest G/T. "IEEE AP-S International Symp.", (1998), p.1192-1195.
  A.8 Çelebi, A., Demir, Ş., Günalp, N. and Toker, C., Systematic Extraction and Scaling of TOM Parameters for GaAs MESFETs. "8th International Symposium on Microwave and Optical Technology", (2001).
  A.9 Turan, E. and Demir, Ş., An All 50 Ohm Divider/Combiner Structure. "IEEE MTT International Microwave Symposium", (2002), p.105-108.
  A.10 Ünlü, M., Topallı, K., Sağkol, H., Demir, Ş., Çivi, Ö.A., Koç, S.S. and Akın, T., RF MEMS Adjustable Impedance Matching Network and Adjustable Power Divider. "IEEE AP-S International Symposium", 2, (2002), p.26-29.
  A.11 Cemil, A. and Demir, Ş., An Approach of Thinning Planar Phased Array Antenna by Using Finite Difference Method. "IEEE AP-S International Symposium", 1, (2002), p.632-635.
  A.12 Sağkol, H., Topallı, K., Ünlü, M., Çivi, Ö.A., Koç, S.S., Demir, Ş. and Akın, T., A Monolithic Phased Array With RF MEMS Technology. "IEEE AP-S International Symposium", 4, (2002), p.760-763.
  A.13 Demir, Ş., A Better Approximation of Small Reflections for Synthesis of Impedance Matching Networks for Antenna Arrays. "IEEE AP-S International Symposium", 3, (2002), p.802-805.
  A.14 Ünlü, M., Topallı, K., Sağkol, H., Demir, Ş., Çivi, Ö.A., Koç, S.S. and Akın, T., New MEMS Switch Structures for Antenna Applications. "USNC/URSI National Radio Science Meeting", (2002), p.134.
  A.15 A. H. Coskun, S. Demir, Application of an Analytical Model to an Actual CDMA System Feedforward Linearizer. "2003 European Microwave Conference", 2, (2003), p.773-776.
  A.16 s. demir, Matching Circuit Design Using Ant Colony Optimization Method. "2003 IEEE Int. Antennas and Propagation Symposium", 2, (2003), p.84-87.
  A.17 A. H. Coskun, S. Demir, A CDMA System Wideband Feedforward Linearizer DesignBased on an Analytical Model. "2003 RAWCON Conference", (2003), p.191-194.
  A.18 A. Telli, S. Demir, M. Askar, Planar Spiral Inductor Modelling For RFIC Design. "2003 International Conference on VLSI", (2003).
  A.19 s. demir, Antenna Array Feed Network Topology Determination with Frequency Bandwidth Considerations. "2003 IEEE Int. Antennas and Propagation Symposium", 3, (2003), p.942-945.
  A.20 Coşkun, H., Mutlu, A. and Demir, Ş., An Alternative Multi-tone Representation of Complex Signals for Feedforward Systems. "IEEE Radio and Wireless Conference, 2004", (2004), p.507-510.
  A.21 Telli, A., Demir, Ş. and Aşkar, M., Practical Performance of Planar Spiral Inductors. "IEEE International Conference on Electronics, Circuits and Systems", (2004), p.487-490.
  A.22 Ünlü, M., Topallı, K., Demir, Ş., Çivi, Ö.A., Koç, S. and Akın, T., A Parametric Modeling Study on Distributed MEMS Transmission Lines. "European Microwave Conference 2004", (2004), p.1157-1160.
  A.23 Topallı, K., Ünlü, M., Demir, Ş., Çivi, Ö.A., Koç, S. and Akın, T., A Parametric Modeling Study on Distributed MEMS Transmission Lines. "MEMSWAVE 2004", (2004), p.I13-I16.
  A.24 Topallı, K., Ünlü, M., Sağkol, H., Demir, Ş., Çivi, Ö.A., Koç,S. and Akın, T., A New Model for Distributed MEMS Transmission Lines. "IEEE Antennas and Propagation Society Symposium, 2004", 3, (2004), p.2855-2858.
  A.25 Ünlü, M., Topallı, K., Demir, Ş., Çivi, Ö.A., Koc, S. and Akın, T., Design and Modeling of a Reconfigurable Stub Impedance Matching Network Using Disrtributed MEMS Transmission Lines. "MEMSWAVE 2004", (2004), p.I17-I20.
  A.26 Coşkun, H., Mutlu, A. and Demir, Ş., Presentation of a Multi-tone Model and Its Application to Feedforward Circuit Analysis. "European Microwave Conference", (2004), p.209-212.
  A.27 Onat, S., Alatan, L. and Demir, Ş., Design of Triple-band Reconfigurable Microstrip Antenna Employing RF-MEMS Switches. "IEEE Antennas and Propagation Society Symposium, 2004", 2, (2004), p.1812-1815.
  A.28 Demir, Ş. and Çivi, Ö.A., A Different Perspective Scan Blindness of Antenna Arrays. "URSI National Conference", (2004).
  A.29 E.Erdil, S. Onat, K. Topalli, I. Istanbulluoglu, M. Unlu, S. Demir, L. Alatan, O, Reconfigurable antenna structures using MEMS technology. "MEMSWAVE 2005", (2005).
  A.30 Onat, S.; Unlu, M.; Alatan, L.; Demir, S.; Akin, T, Design of a re-configurable dual frequency microstrip antenna with integrated RF MEMS switches. "IEEE Antennas and Propagation Society International Symposium 2005", 2, (2005), p.384-387.
  A.31 M. Unlu, K. Topalli, H. I. Atasoy, E. U. Temocin, I. Istanbulluoglu, O. Bayrakta, A Reconfigurable RF MEMS Impedance Tuner for Impedance Matching of a Two-Stage Low Noise Amplifier. "MEMSWAVE", (2006), p.115-118.
  A.32 H.I.Atasoy, K.Topalli, M.Unlu, I.Istanbulluoglu, E.U.Temocin, O.Bayraktar, S.Dem, METAL-TO-METAL AND CAPACITIVE CONTACT RF MEMS SHUNT SWITCH STRUCTURES. "MEMSWAVE", (2006), p.154-156.
  A.33 S. Onat, L. Alatan, S. Demir, Design and Implementation of a Triple-Band Re-Configurable Microstrip Antenna. "European Conf on Wireless Tech", (2006).
  A.34 E. Erdil, K. Topalli, M. Unlu, I. Istanbulluoglu, E. U. Temocin,H I. Atasoy, O., Reconfigurable Slot Antenna with Fixed-Fixed Beam Type RF MEMS Capacitors. "Proc of 1st European Conference on Antennas and Propagation", (2006).
  A.35 M. Secmen, S. Demir, L. Alatan, O. A. Civi, A. Hizal, A Compact Corporate Probe Fed Antenna. "Proc of 1st European Conference on Antennas and Propagation", (2006).
  A.36 M. Secmen, S. Demir, A. Hizal, N. Candan, Comparison of the Detection Performance of an FMCW Coastal Surveillance Radar for V and H Polarizations. "Int Microwave and Radar Symp", (2006), p.291-294.
  A.37 O. Bayraktar, K. Topalli, M. Unlu, I. Istanbulluoglu, E. U. Temocin, H. I. Ataso, Reconfigurable Reflectarray Using RF MEMS Technology. "Proc of 1st European Conference on Antennas and Propagation", (2006).
  A.38 M. Unlu, K. Topalli, H. I. Atasoy, E. U. Temocin, I. Istanbulluoglu, O. Bayrakta, A Reconfigurable RF MEMS Triple Stub Impedance Matching Network. "European Microwave Conference", (2006), p.1370-1373.
  A.39 K. Topalli, M.Unlu, O. Aydin Civi, S. Demir, S.Koc, T.Akin, A Monolithic Phased Array using 3-bit DMTL RF MEMS Phase Shifters. "IEEE Antennas and Propagation Society International Symposium", (2006), p.517-520.
  A.40 H. I. Atasoy, M. Unlu, K. Topalli, I. Istanbulluoglu, E.U. Temocin, O. Bayraktar, Investigation of On-Wafer TRL Calibration Accuracy Dependence on Transitions and Probe Positioning. "European Microwave Conference", (2006), p.1582-1585.
  A.41 M Secmen, S Demir, A Hizal, O A Civi, An Elliptically Polarized Axial-Mode Helical Antenna with a Conformal Polarizer. "2007 European Conference on Antennas and Propagation", (2007).
  A.42 K. Topalli, M. Ünlü, I. Istanbulluoglu, H. I. Atasoy, Ö. Bayraktar, Ö. Aydin Çiv, Reconfigurable RF MEMS Devices and Antennas. "5th International Conference on Electrical and Electronics Engineering, ELECO 2007", (2007), p.204-209.
  A.43 Bayraktar, O.; Topalli, K.; Unlu, M.; Civi, O. Aydin; Demir, S.; Akin, T, Beam Switching Reflectarray using RF MEMS Technology. "2007 European Conference on Antennas and Propagation", (2007).
  A.44 Secmen, M.; Demir, S.; Hizal, A.; Eker, T, Frequency Diverse Array Antenna with Periodic Time Modulated Pattern in Range and Angle. "IEEE Radar Conference 2007", (2007), p.427-430.
  A.45 K. Topalli, O. Aydin Civi, S. Demir, S. Koc ve T. Akin, Dual-Frequency Reconfigurable Slot Dipole Array with a CPW-Based Feed Network using RF MEMS Technology for X- and Ku-Band Applications. "2007 IEEE AP-S International Symposium", (2007).
  A.46 M. Unlu, H. I. Atasoy, S. Demir, O. A. Civi, S. Koc ve T. Akin, Double Stub and Triple Stub RF MEMS Impedance Tuners. "2007 MEMSWAVE International Conference", (2007).
  A.47 K. Topalli, O. A. Civi, S. Demir, S. Koc ve T. Akin, Monolithically Integrated MEMS Phased Array. "2007 MEMSWAVE International Conference", (2007).
  A.48 K. Topalli, O. Bayraktar, M. Unlu, O. Aydin Civi, S. Demir, and T. Akin, Reconfigurable antennas by RF MEMS technology. "30th ESA Antenna Workshop on Antennas for Earth Observation, Science, Telecommunications and Navigat", (2008), p.497-500.
  A.49 T. Eker, S. Demir, A. Hizal, Design and Implementation of Frequency Diverse Array (FDA) using Linear Frequency Modulated Continuous Waveform (LFMCW). "Int. Symp. on Microwave and Optical Tech., ISMOT 2009", (2009).
  A.50 A. H. Yüzer, S. Demir, Improved Behavioral Modeling of Nonlinear Amplifiers with Phase Asymmetry. "5th International Advanced Technologies Symposium", (2009), p.580-584.
  A.51 Gokhan Boyacioglu and Simsek Demir,, Wideband Phase Shifter Design using Lange Coupler and Radial Stubs. "10th Mediterranean Microwave Symposium", (2010).
  A.52 Hakki Ilhan Altan, Özlem Aydin Civi and Simsek Demir,, X-Band High Power Ferrite Phase Shifter. "10th Mediterranean Microwave Symposium", (2010).
  A.53 A. H. Yuzer, S. Demir, Behavioral Modeling of Asymmetric Intermodulation Distortion of Nonlinear Amplifier. "PIERS 2010", (2010).
  A.54 Eser Erkek and Simsek Demir, S-Band Hybrid 4 Bit Phase Shifter. "10th Mediterranean Microwave Symposium", (2010).
  A.55 Ahmet Hayrettin Yuzer and Simsek Demir, A Nonlinear Model for Amplifiers with Memory. "10th Mediterranean Microwave Symposium", (2010).
  A.56 A. H. Yuzer, S. Demir,, A New Phase Measurement Technique for RF Power Amplifier Only Measuring Magnitudes. "PIERS 2010", (2010).
  A.57 Caner Guclu, Cagri Cetintepe, Ozlem Aydin Civi,Simsek Demir and Tayfun Akin,, 35 GHz Phased Array Antenna using DMTL Phase Shifters. "10th Mediterranean Microwave Symposium", (2010).
  A.58 Ozgehan Sahin and Simsek Demir,, Design of a Two Layer Aperture-Coupled Unequal Power Divider. "10th Mediterranean Microwave Symposium,", (2010).
  A.59 Ozgehan Sahin and Simsek Demir, Design of a Defected Ground Beam Forming Network. "10th Mediterranean Microwave Symposium", (2010).

Translation of a Book or Chapter in a Book

Review of a Book

  A.1 Şimşek Demir, Internet. "Internet", (2000), p.304.

Publications (NATIONAL)

 

Conference Papers

  A.1 Ş. Demir, C. Bulutay, Isıl İşlem Benzetimi ile Geniş Bantlı Yükselteç Tasarımı. "5. Ulusal Elektrik Mühendisliği Kongersi", (1993), s.398-400.
  A.2 Ş. Demir, C. Toker, Geniş Bantlı Yükselteç Tasarımı. "5. Ulusal Elektrik Mühendisliği Kongresi", (1993), s.369-373.
  A.3 Ş. Demir, C. Toker, Geri Besleme ile Geniş Bantlı Yükselteç Tasarımı: MMIC uygulama ve ölçüm sonuçları. "6. Ulusal Elektrik Mühendisliği Kongresi", (1995), s.660-663.
  A.4 Ş. Demir, C. Toker, A. Hızal, A Novel Low Noise Active Antenna Array Analysis and Design Method. "Elektrik Elektronik Bilgisayar Mühendisliği 7. Ulusal Kongresi", (1997), s.319-322.
  A.5 İ. Durmuş, A. Çelebi, Ş. Demir, N. Günalp, C. Toker, MESFET Küçük İşaret Parametrelerinin Ölçüm Yoluyla Elde Edilmesi. "8. Ulusal Elektrik Elektronik Bilgisayar Müh. Kongresi", (1999), s.293-296.
  A.6 Demir, Ş., Alatan, L. and Aydin, Ö., Alcak Yörünge Uydulari için Mobil Yer İstasyonu Antenleri. "1. Uluslararası Uzay Sempozyumu", (2001), s.517-521.
  A.7 Demir, Ş., Seçmen, M. and Hızal, A., FMCW Altimetre Radar Sistemlerinde Sirkülatör Kullanımına Alternatifler. "URSI Ulusal Konferansı", (2004), s.152-154.
  A.8 Onat, S., Alatan, L. and Demir, Ş., RF MEMS Anahtar Kontrollü Çoklu-Frekans Mikroşerit Anten. "URSI Ulusal Konferansı", (2004), s.99-101.
  A.9 Onat, S., Demir, Ş. and Alatan, L., Farklı Yarık Şekilli Çift-Frekanslı Mikroşerit Yama Anten Yapıları. "URSI Ulusal Konferansı", (2004), s.354-356.
  A.10 Topallı, K., Ünlü, M., Demir, Ş., Çivi, Ö.A., Koç, S. and Akın, T., RF MEMS Teknolojisi ile Mikroşerit ve Eşdüzlemsel Dalga Kılavuzu Hat Üstünde Paralel Anahtar Yapıları. "URSI Ulusal Konferansı", (2004), s.370-372.
  A.11 Coşkun, H., Mutlu, A. and Demir, Ş., Kompleks Zarflı Sinyallerin Alternatif Çok Tonlu Gösterimi ve İleribesleme Sistemlerine Uygulamaları. "URSI Ulusal Konferansı", (2004), s.358-360.
  A.12 Yiğit, Y. and Demir, Ş., Kompozit Sağ-Sol El İletim Hattı ile Geniş Yalıtım Bantlı 3dB Güç Bölücü/Birleştirici. "URSI Ulusal Konferansı", (2004), s.367-370.
  A.13 Necip Sahan, M. Erim Inal, Canan Toker, Simsek Demir, Genis Bantli Iletim Hatti Yüksek Güç RF Empedans Çeviricileri ve Balun Yapilari. "URSI Ulusal Konferansi 2006", (2006), s.370-372.
  A.14 I. Istanbulluoglu, K. Topalli, E. U. Temoçin, H. I. Atasoy, M. Ünlü, Ö. Bayrakta, RF MEMS Tekonolojisi Kullanilarak Tasarlanmis Ayarlanabilir Bant Geçiren Baglanmis-Hat Süzgeç. "URSI Ulusal Konferansi 2006", (2006), s.416-418.
  A.15 Erdinç Erçil, Simsek Demir, M. Erim Inal, X Bant Tek Tabanli Mikrodalga Entegre Devre (MMIC) 7 Bit Faz Kaydirici Tasarimi. "URSI Ulusal Konferansi 2006", (2006), s.370-372.
  A.16 E. U. Temoçin, K. Topalli, M. Ünlü, I. Istanbulluoglu, H. I. Atasoy, Ö. Bayrak, Esdüzlemsel Dalga Klavuzundan Mikroserit Hatta Geçis Üzerine Çalismalar. "URSI Ulusal Konferansi 2006", (2006), s.448-450.
  A.17 Mehmet Ünlü, Kagan Topalli, Simsek Demir, Özlem Aydin Çivi, Sencer Koç, Tayfun A, RF MEMS Teknolojisi ile Ayarlanabilir Empedans Uyumlama Devresi. "URSI Ulusal Konferansi 2006", (2006), s.407-409.
  A.18 Ö. Bayraktar, K. Topalli, M. Ünlü, I. Istanbulluoglu, E. U. Temoçin, H. I. Ataso, RF MEMS Teknolojisi ile Yansitici Dizi Anteni Tasarimi. "URSI Ulusal Konferansi 2006", (2006), s.438-440.
  A.19 H. I. Atasoy, K. Topalli, M. Ünlü, I. Istanbulluoglu, E. U. Temoçin, Ö. Bayrakta, RF MEMS Tekonolojisi ile Kapasitif ve Metal-Metal Baglantili Paralel Anahtar Yapilari. "URSI Ulusal Konferansi 2006", (2006), s.410-412.
  A.20 Mustafa Seçmen, Simsek Demir, Altunkan Hizal, Kenan Çaglar, Eyüp Tongel, E-Düzlem Sektörel Boynuz Anten Güç Bölücü. "URSI Ulusal Konferansi 2006", (2006), s.122-124.
  A.21 Taylan Eker, M. Erim Inal, Simsek Demir, Xband 20 Yollu, Es Fazli, Genlik Dagilimli, Kayipsiz Güç Bölücüsünün Mikroserit Teknolojisi ile Tasarimi. "URSI Ulusal Konferansi 2006", (2006), s.435-437.
  A.22 Kagan Topalli, Mehmet Ünlü, Özlem Aydin Çivi, Simsek Demir, Sencer Koç, Tayfun A, RF MEMS Teknolojisi ile Tek Parça Faz Dizili Anten Yapis. "URSI Ulusal Konferansi 2006", (2006), s.413-415.
  A.23 A. Hayrettin Yüzer, Simsek Demir, Vektör Modülatör MMIC Uygulama Devreleri. "URSI Ulusal Konferansi 2006", (2006), s.432-434.
  A.24 Necip Sahan, M. Erim Inal, Canan Toker, Simsek Demir, Ultra Genis Bant Yüksek Güçlü RF Güç Yükselteci. "URSI Ulusal Konferansi 2006", (2006), s.429-431.
  A.25 H. I. Atasoy, M. Ünlü, K. Topalli, I. Istanbulluoglu, E. U. Temoçin, Ö. Bayrakta, TRL Kalibrasyonunda Uç Konumlandirmasi ve Geçislerin Etkileri. "URSI Ulusal Konferansi 2006", (2006), s.426-428.
  A.26 Ismail Bozkurt, Simsek Demir, Aktif MIC ve MMIC Mikrodalga Frekans Carpici(x3) Tasarimi. "URSI Ulusal Konferansi 2008", (2008).
  A.27 Hakan Korkmaz, Simsek Demir, Bülent Sen, Minyatür Baglaç ve Güç Bölücü Yapilari. "URSI Ulusal Konferansi 2008", (2008).
  A.28 Efe O., Demir S, Seri Bagli Reaktif Sonlandirilan Tek Asamada Dagitilmis 2-18 GHz Yükseltec. "URSI Ulusal Konferansi 2008", (2008).
  A.29 E. Erkek E., G. Boyacioglu G., S. Demir, Tüm-Geçiren Süzgeç yapisi ve Radyal stub kullanimi ile Cok Genis Bant Faz Kaydirici Tasarimlari. "URSI Ulusal Konferansi 2008", (2008).
  A.30 Hakki Ilhan Altan, Özlem Aydin Çivi, Simsek Demir, Reggia-Spencer Ferrit Faz Kaydirici Tasarimi ve Üretimi. "URSI Ulusal Konferansi 2008", (2008).
  A.31 Cagri Cetintepe, Simsek Demir, Tayfun Akin, RF MEMS Teknolojisi ile S-Bandi Tümlesik Bant-Geciren Filtre Yapisi. "URSI Ulusal Konferansi 2008", (2008).
  A.32 Taylan EKER, Simsek Demir, Altunkan Hizal, Frekans Kaymali Dizi Anteni Sisteminin Düzlemsel Frekans Modülasyonlu Isaret ile Gerçeklenmesi. "URSI Ulusal Konferansi 2008", (2008).
  A.33 Ilker Comart, Kagan Topalli, Simsek Demir, Tayfun Akin, RF MEMS Yapilarin Glass Frit ile 0-Seviye Paketlemesi. "URSI Ulusal Konferansi 2008", (2008).
  A.34 A. Hayrettin Yüzer, Simsek Demir, Güç Yükselticilerde Davranissal Modelleme ile Arakipleme Bozulmasinin Modellenmesi. "URSI Ulusal Konferansi 2008", (2008).
  A.35 Ayse Ünlü, Simsek Demir, 200-400MHz Vektör Modülatör Tasarim ve Üretimi. "URSI Ulusal Konferansi 2008", (2008).
  A.36 Çagri Çetintepe, Ozan D Gürbüz, Kagan Topalli, Mehmet Ünlü, Simsek Demir, T. Aki, Ka-Frekans Bandi için RF MEMS Paralel, Sigal-Degeçli Anahtar. "URSI Ulusal Konferansi 2010", (2010).
  A.37 Hakki Ilhan Altan, Özlem Aydin Çivi, Simsek Demir, Ikiz-Toroid Yapidaki Ferit Faz Kaydiricilarda Yüksek Dereceli Modlarin Bastirilmasi. "URSI Ulusal Konferansi 2010", (2010).
  A.38 Gökhan Boyacioglu, Simsek Demir,, Lange Baglaç ve Radyal Saplama Kullanimi :le Genis Bant Faz Kaydirici Tasarimi",. "URSI Ulusal Konferansi 2010", (2010).
  A.39 Ilker Comart, Simsek Demir, Tayfun Akin, RF MEMS Teknolojisi Tabanli 12 GHZ ve 26 GHZ Çalisma Frekanslarinda Tek Giris Çift Çikis Anahtar Yapilari. "URSI Ulusal Konferansi 2010", (2010).
  A.40 Eser Erkek, Simsek Demir, Üretim Ve Montaj Teknikleri :le Malzemelerin Tolerans Degerlerinin Tekrarlanabilirlik Üzerindeki Etkileri. "URSI Ulusal Konferansi 2010", (2010).
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