Publications

Journals

1. A. N. Ragheb and HyungWon Kim, “Reference-Free Dynamic Voltage Scaler Based on Swapping Switched-Capacitors,” Energies, vol. 12, no. 4, p. 625, Feb. 2019.
2. A. N. Ragheb, HyungWon Kim, Jae-Jin Lee, “84% High efficiency dynamic voltage scaler with nano-second settling time based on charge-pump and BWC-DAC,” Microelectronics Journal, Elsevier, VOL. 79, pp. 91-97, 2018.
3. Syed Asmat Ali Shah, A. N. Ragheb, HyungWon Kim, “Low-Power Voltage Converter Using Energy Recycling Capacitor Array,” Journal of information and communication convergence engineering, volume 15, issue 1, 2017, pp 62-71.
4. A. N. Ragheb, HyungWon Kim, “Ultra-low power OTA based on bias recycling and subthreshold operation with phase margin enhancement,” Microelectronics Journal, Elsevier, VOL. 60, pp. 94-101, Feb. 2017.
5. A. N. Ragheb, HyungWonKim, ”Ultra low power wide-band mixer circuit based on subthreshold operation for MB-OFDMUWB,” Microelectronics Journal., Elsevier, VOL. 50, pp. 29-34, April 2016.
6. Ahmed Ragheb, Ghzal Fahmy, Iman Ashour, Abdel Hady Ammar, “A Novel Reconfigurable MB-OFDM UWB LNA Using Programmable Current Reuse,” International Journal of Microwave Science and Technology, vol. 2013.

Conferences

1. A.N.Ragheb, HyungWon Kim, “Nano-Second Scale Dynamic Voltage Scaler Based on Charge-Pump and BW-DAC,” 2017 14th International SoC Design Conference, Seoul, 2017.
2. A.N.Ragheb, H. Kim, ”Noise cancellation techniques based on frequency selection OFDM and instrumentation sensing circuit for large touch screens,” 2016 28th International Conference on Microelectronics (ICM), Giza, 2016, pp. 165-168.
3. A.N. Ragheb, M.G.A. Mohamed, HyungWon Kim, “Differentiator Based Sensing Circuit For Efficient Noise Suppression of Projected Mutual-Capacitance Touch Screens,” 2016 International Conference on Electronics, Information, and Communications (ICEIC), Da Nang, 2016, pp. 1-5.
4. M.G.A. MOHAMED, A. N. Ragheb, Hossam HASSAN, HyungWon KIM, “OFDM and TDM Based Sensing Method for Large Projected Mutual-Capacitance Touch Screens,” 2016 IEEE International Conference on Consumer Electronics (ICCE), pp. 196-199, 2016.
5. W. Farrag, A.N. Ragheb, N. Rashid, “Design of 0.05-5 GHz LNA for Cognitive Radios Receiver,” 2014 31st National Radio Science Conference (NRSC), pp. 260–264, 28–30 April 2014.
6. A.N. Ragheb, G. A. Fahmy, I. Ashour, A. Ammar, “A 3.1-10.6 GHz Low Power High Gain UWB LNA Using Current Reuse Technique,” IEEE International Conference on Intelligent and Advanced Systems ICIAS2012, vol. 2, pp. 741–744, 2012.