A novel 180° hybrid ring coupler proposal and realization. - Oguzhan Kizilbey; Osman Palamutçuogullari (SIU, 2012)

A novel inverse class E power amplifier topology. - Neslihan Kizilbey; Oguzhan Kizilbey (SIU, 2013)

Design of class-E GaN HEMT power amplifier using elliptic low pass matching network with 86% efficiency. - Oguzhan Kizilbey (IEICE Electron. Express, 2013)

Highly efficient 2.7-2.9GHz class-F and inverse class-F power amplifiers in GaN HEMT technology. - Oguzhan Kizilbey (IEICE Electron. Express, 2013)

3.5-3.8GHz class-E balanced GaN HEMT power amplifier with 20W Pout and 80% PAE. - Oguzhan Kizilbey; Osman Palamutçuogullari; Binboga Siddik Yarman (IEICE Electron. Express, 2013)

A comparison of GaN, Si and GaAs power amplifiers. - Oguzhan Kizilbey; Osman Palamutçuogullari (SIU, 2014)

Uncertainty Components for RF Power Measurement between 110 GHz and 170 GHz. - Erkan Danaci; Aliye Kartal Dogan; Oguzhan Kizilbey (SIU, 2021)

5W Linear Power Amplifier Design for 5 - 6 GHz Applications. - Sadik Dogan Erdogan; Oguzhan Kizilbey; Serkan Topaloglu; Osman Palamutçuogullari; B. Siddik Yarman (SIU, 2022)

Design of 1.5-6 GHz High Efficiency 50W Power Amplifier Design for sub 6-GHz 5G Systems. - Engin Çagdas; Oguzhan Kizilbey; Metin Yazgi; Osman Palamutçuogullari (ICECS, 2023)

A 2-6 GHz High Efficiency Power Amplifier Design for Communication Systems. - Engin Çagdas; Oguzhan Kizilbey; Metin Yazgi (SIU, 2023)

Design of Three-Stage Two-Way and Four-Way 2-6 GHz Power Combiner. - Rabia Hatipzade; Oguzhan Kizilbey; Hayriye Korkmaz (SIU, 2023)

A 2-6 GHz Driver Amplifier with 27 dBm Output Power and 35 dB Gain. - Engin Çagdas; Oguzhan Kizilbey; Metin Yazgi (SIU, 2024)

Design of Ultra Wideband Power Divider/Combiner and Comparison on Results of Measurement and Simulation based on EM Solver Methods. - Engin Çagdas; Hakan Çetinkaya; Oguzhan Kizilbey; Metin Yazgi (SMACD, 2025)