Browsing by Author "Doğan, Hakan"
Now showing items 1-11 of 11
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5G/6G uygulamaları için 65nm CMOS ile 6GHz düşük gürültülü yükselteç tasarımı
Eren, Tamer; Oktay, Zehra Nur; Doğan, Hakan; Savcı, Hüseyin Şerif (Institute of Electrical and Electronics Engineers Inc., 2020)It is envisaged that 6G network technology will be popular due to its higher working frequencies than 5G networks, and this will ensure higher data rates, greater capacity and lower latency. 6G mobile technology will support ... -
Design of a digitally controlled ring oscillator for ADPLL
Hamzeh, Omar (İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)The digitally controlled oscillator is a commonly investigated circuitry due to its wide uses, especially in PLLs. This thesis proposes a digitally controlled ring oscillator with a sufficiently wide tuning range and fine ... -
Digital filter and analog LDO design for ADPLL in 180 nm CMOS technology
Oktay, Zehra Nur (İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)PLL is a control system built by elements that synchronize frequency and phase of a stable reference signal with an oscillator output signal. In 21st century, PLL is widely and essentially used in one's daily life in ... -
A fully integrated 2.4dB NF capacitive cross coupling CG-LNA for LTE band
Abdelhamid, Amr A.; Özgün, Mehmet Tamer; Doğan, Hakan (Springer, 2019)This paper presents a common gate low noise amplifier utilizing a passive feedback network that provides a competitive and highly integrated front-end solution for mobile handset devices. This design utilizes a resistive ... -
A high-resolution time to digital converter design for all digital phase-locked loops
Eren, Tamer (İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)Phase-locked loops are one of the most significant modules that are used not only for communication circuits but also in other fields like biomedical and computer sciences. There are many types of PLLs such as Analog, ... -
A highly linear wide-band tunable lna for military radio applications
Doğan, Hakan (Istanbul University, 2018)A wide-band tunable Low-Noise Amplifier (LNA) was designed to be used in military radios. The LNA works in the frequency range of 30-512 MHz where military walkie-talkies operate.To cover the wide range of operating ... -
Knowing the ABCs: Teaching the principles of radiology to medical students in Turkey
Altınmakas, Emre; Doğru, Ömer Faruk; Yücel, Umut; Ayas, Görkem; Balcı, Ayşe Sena; Duran, Münevver; Doğan, Hakan; Kamel, Serageldin; Patel, Parth; Elsayes, Khaled M. (BioMed Central Ltd, 2022)Background: Radiology education in Turkey is mainly taught during clinical years of medical school and often lacks main principles. Exposure to the fundamentals of radiology at an early stage of medical education may ... -
A low power receiver front-end design with tunable notch filter for tx leakage and blocker suppression
Özgün, Mehmet Tamer; Abdelhamid, Amr; Doğan, Hakan (IEEE-Inst Electrical Electronics Engineers Inc, 2019)An active transmitter self-leakage suppressor for frequency-division duplex transceivers is presented. A wideband active notch filter is implemented at the mixer IF ports to suppress out the transmitter leakage. Since the ... -
A novel biasing technique for low phase noise voltage controlled oscillators
Albittar, İhsan; Doğan, Hakan; Özgün, Mehmet (Elsevier Sci Ltd., 2018)This paper proposes a new biasing technique for LC-based voltage controlled oscillators to improve the phase noise performance while ensuring the current variations to be within an acceptable range. The proposed technique ... -
Ultra low power 12-bit 100 ks/s differential sar adc in 65 nm cmos technology
Dağdibi, Muhammet Ali (İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2020)Sensor nodes has preserved their importance in the last couple decades. One of the very fundamental elements of these devices are analog to digital converters. In today's world, the necessity of sensor nodes and implantable ... -
An ultra low power integrated radio TX link supplied from a switched capacitor DC-DC converter in 65-nm CMOS achieving 2 Mbps
Rady, Ramy; Doğan, Hakan; Aktan, Mustafa; Mohammed, Shady Ashraf; Özgün, Mehmet Tamer (Institute of Electrical and Electronics Engineers (IEEE), 2020)This brief presents a highly integrated ultra-low-power Transmitter (TX) supplied from a high efficiency Switched Capacitor DC-DC (SC DC-DC) converter targeting the IEEE 802.15.6 standard for Wireless Body Area Network ...
