Publications

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Thesis Publications :-

[1]      A. Mosbeh, K. Yousef, and H. Mostafa, “A Low Energy Transceiver for Satellite Communication Systems: Digital Design and Implementation,” In Progress, Assiut University Press.

[2]      M. Mohamedain, K. Yousef, and A. Kasem, “A Low Power LC-ADC Design for Biomedical Applications,” In Progress, Sohag University Press.

[3]      M. Adel, K. Yousef, and U. Sayed, “ Design of Low Power UWB Receivers using CMOS Technology,” In Progress, Assiut University Press.

[4]      A. Elsayed, K. Yousef, M. Atef, and M. Abdelgawad, “Design and Simulation of Wide Dynamic Range Low Noise CMOS Image Sensors using Photogates as Photodetector,:” Assiut University Press, Oct. 2019.

[5]      K. Yousef, “Ultra-Wideband Low Noise Amplifier and Multi-Phase Ring Oscillator Design Using CMOS Technology,”E-JUST Press, Feb. 2015.

[6]      K. Yousef, “CMOS Ultra-Wideband Low Noise Amplifier Design,” E-JUST Press, Feb. 2012.

Peer Reviewerd Journals and Conferences Publications :-

Note:- According to the promotions grading system requirements announced by the Egyptian Universities Prime Council, main contributers of the research work are recommnded to be listed as First and Last authors.

[7]      M. Mohamedain, A. Kasem, K. Khalil, and K. Yousef “A Power Efficient Level Crossing Analog-to-Digital Converter (LC-ADC) with Dynamiclly Multiplexed Comparators for Biomedical Applications, ,” Submitted   to AEU- International Journal of Electronics and Communications.

[8]      M. Mohamedain, A. Kasem, K. Khalil, and K. Yousef “A 140nW, and 8.7 ENoB Level-Crossing ADC with Inverter-Based Comparator for Biomedical Applications,” Submitted   to  Microelectronic Engineering.

[9]      K. Yousef and G. Wang, “Design and Implementation of High Inductances 3D Integrated Inductors with High Quality Factors and Extended Self-Resonance Bands,” In Progress, Dedicated for publication in Analog  Integrated  Circuits and Signal Processing.

[10]   K. Yousef, and A. Elzahmi “A 20 ps Group Delay and 2.8 dB NF Current Reuse Ultra-Wideband Low Noise Amplifier,” Submitted to Microwave and Optical Technology Letters.

[11]   A. Mosbeh, A. Younes, H. Mostafa, and K. Yousef, “|On the Design and Implementation of Low Powert Vetirbi Decoder for Sattalite Communications,” Submitted to Journal of Engineering and Sciences (JES).

[12]   H. Nasser, K. Khalil, A. Abbas, and K. Yousef, “Towards a High Efficiency Implantable Electric Muscle Simulator for Programmable Biomedical Stimulations,” Submitted to Computers and Electrical Engineering.

[13]   A. Omar, K. Yousef, M. Abbas, and K. Khalil, “A Survey on sEMG gestures classification systems,” Submitted to BioSystems.

[14]   P. Qu, Zh. Xiao, Y. Zhao, and K. Yousef, “A High Accuracy Bandgap Reference With Adaptive Mechanical Stress Compensation,” In Press (Accepted 10th Jan 2025) AEU-International Journal of Electronics and Communications (https://doi.org/10.1016/j.aeue.2025.155674).

[15]   M. Adel, U. Sayed, and K. Yousef, “On the use of Forward Body Biasing for Low Power Ultra-Wideband Low Noise Amplifiers Design and Implementation,”  Journal of Engineering and Sciences (JES) , Vol. 53, No. 1, Jan. 2025, pp. 82-101.

[16]   A. Elsayed, M. Abbas, and K. Yousef, “An Efficient Fully Bootstrapped RF-to-DC Rectifier for Impantable Biomedical Applications in CMOS Technology,” Journal of Engineering and Sciences (JES) , Vol. 52, No. 6, Nov. 2024, pp. 88-102.

[17]   A. Sayed, H. Nasser, K. Khalil, K. Yousef, and M. Abbas, “Towards Patient Controlled Skeletal Muscle Pacemaker for SCIs,”Proceedings of2024 Padua Days on Muscle and Mobility Medicine (Pdm3-2024), May 2024.

[18]   K. Yousef,  and A. Elzahmi, “ A High FoM and Low Phase Noise Edge-Injecton-Based Ring Oscillator in 350 nm CMOS for sub-GHz ADPLL Applications,”Electronics 2023,12, 18, 3769.

[19]   A. omar, M. Abbas, K. Yousef, and K. Khalil, “An Efficient Deep Learning Approach for sEMG Hand Gesture Classification,” Proceedings of 2023 Int. Ja-pan-Africa Conf., on Electronics, Communications, and Computers (JAC-ECC 2023), pp. 148-151, Dec 2023.

[20]   H. Nasser, A. Sayed, M. Abbas, S. Mahran, K. Khalil, and K. Yousef, “Towards a Low Cost Non-Invasive Patient Operated Electric Muscle Stimulator for People with Spinal Cord Injuries,” Proceedings of2023 Int. Japan-Africa Conf. on Electronics, Communications, and Computers (JAC-ECC 2023), pp. 203-206, Dec. 2023.

[21]   E. Atef, M. Abbas, and K. Yousef,“ A Low Power Modified Strong-ARM based Comparator for Biomedical Applications,” Proceedings of 2023Int. Japan-AfricaConf. on Electronics, Communications, and Computers (JAC-ECC 2023), pp. 259-262, Dec. 2023.

[22]   A. Mosbeh, H. Mostafa, A. Younes, and K. Yousef, “Low Power Microarcheticture Designs of ACS Block in Viterbi Decoder,” Proceedings of 13th International Confernces on Inforamtion Communication and Management 2023 (ICICM 2023),  pp. 16-20, Nov. 2023.

[23]   M. Adel,  K. Yousef, and U. Sayed, “A 0.65V Ultra-Wideband Low Noise Amplifier Using Forward-Body Bias Technique for Biomedical Applications,”Proceedings of 10th2022 Int. Japan-Africa Conf. on Electronics, Communications, and Computers (JAC-ECC 2022), pp. 238-240, Dec. 2022.

[24]   Y. Hou, Q. Jiali, Z. Tian, M. Atef, K. Yousef, G. Wang, and Y. Lian, “ A 61 nW Level-Crossing ADC with Adaptive Sampling for Biomedical Applications,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 1, Jan. 2019, pp. 1390-1394.

[25]   Khalil Yousef, “A High FoM Down Conversion Mixer with a Boosted Conversion Gain for IEEE 802.11b and IEEE 802.15.4 Standards,” Proceedings of2019 Int. Japan-Africa Conf. on Electronics, Communications, and Computers (JAC-ECC 2019). pp. 182-184, Dec. 2019.

[26]   H. Tao, K. Yousef, J. Jing, and G. Wang, “A High Conversion Gain Wideband Mixer Design for UWB Applications,” Proceedings of 2019 IEEE International Symposium on Circuits and Systems (ISCAS 2019), pp. 1-4., May 2019.

[27]   M. AbdelHafeez, K. Yousef, M. AbdelRaheem, E. Khaled, “Design of 6 GHz High Effeciency Long Range Wireless Power Transfer System Using Offset Reflectors fed by Conical Horns,” Proceedings of 2019 International Conference on Innovative Trends in Conputer Engineering (ITCE 2019), pp. 365-370, Feb. 2019.

[28]   Z. Luo, G. Wang, K. Yousef, B. Lau, Y. Lian, and C. Heng, “ A 0.0129 mm2 DPLL with 1.6~2.0 ps RMS Period Jitter and 0.25-to-2.75 GHz Tunable DCO Frequency Range in 55-nm CMOS,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 65, no. 12, Dec. 2018, pp. 1844-1848.

[29]   Y. Hou, K. Yousef, M. Atef, G.Wang, and Y. Lian, “ A 1-to-1-kHz , 4.2-to-544-nW, Multi-Level Comparator Based Level-Crossing ADC for IoT Applications,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 65, no. 10, Oct. 2018,pp. 1390-1394.

[30]   Y. Hou, Q. Jiali, Z. Tian, M. Atef, K. Yousef, G. Wang, and Y. Lian, “ A 61 nW Level-Crossing ADC with Adaptive Sampling for Biomedical Applications,” 2018 International-Solid-States-Circuits-Conference (ISSCC 2018), Student Research Preview (SRP), Feb. 2018.

[31]   Khalil Yousef,“A Low Phase Noise, High Figure of Merit, 3.1 GHz- 3.5GHz  Ring Oscillator Using Edge Injection Technique”, Proceedings of 2017 Int.Japan-Africa Conf. on Electronics, Communicaions and Computer Engineering (JAC-ECC 2017), pp. 37-40, Dec. 2017.

[32]   K. Yousef, H. Jia, R, et al., “A -193 FoM and -126 Phase Noise Octagonal Ring Oscillator Using Pulse Injection Technique,” Microwave and Optical Technology letters, vol.58, no.7, pp 1760-1762, July 2016.

[33]   A. Anand, K. Yousef, et al., “0.5 - 5.5 GHz Ring Oscillator with Pulse Injection in 0.18 um CMOS Technology,” Proceedings of 35th IEICE Technical Report on Silicon Analof RF (IEICE- SiRF) Technologies, pp. 8-8, Feb. 2015.

[34]   A. Anand, N. Jana, K. Yousef, and R. Pokharel, “Wideband Injection Locked CMOS Quadrature Ring Oscillator with Small Phase Errors,” Proceedings of 2014 Korea-Japan Microwave Workshop (KJMW), Dec. 2014.

[35]   K. Yousef, H. Jia, R. Pokharel, et al., “A 0.18 µm CMOS Current Reuse Ultra-Wideband Low Noise Amplifier (UWB-LNA) with Minimized Group Delay Variations,” Proceedings of 44th European Microwave Conference (EuMC 2014), pp. 1392-1395, Oct. 2014.

[36]   K. Yousef, H. Jia, R. Pokharel, et al., “A 0.18 µm CMOS Current Reuse Ultra-Wideband Low Noise Amplifier (UWB-LNA) with Minimized Group Delay Variations,” Proceedings of 9th European Microwave Integrated Circuits Conference (EuMIC 2014), pp. 448-451, Oct. 2014.

[37]   K. Yousef, H. Jia, A. Allam, et al., “An Eight Phase CMOS Injection Locked Ring Oscillator with Low Phase Noise,” Proceedings of 2014 IEEE International Conference on Ultra-Wideband (IEEE ICUWB 2014), pp. 337-340, Sept. 2014.

[38]   K. Yousef, H. Jia, A. Allam, et al., “ A Low Phase Noise CMOS Ring Oscillator Using Phase Modulation and Pulse Injection Techniques,” IEICE Technical Report, vol. 114, no. 45, MW2014-40, pp. 95-98, May 2014.

[39]   K. Yousef, H. Jia, A. Allam, et al., “Multi-Phase Ring Oscillator with Minimized Phase Noise for Ultra-Wideband Applications,” Proceeding of 2014 International Conference on Information Sience, Electronics and Elerctrical Engineering (ISEEE 2014), pp. 1115-1117, April 2014.

[40]   K. Yousef, H. Jia, R. Pokharel, et al., “Low Power, Low Voltage CMOS Ultra-Wideband Low Noise Amplifier for Portable Devices,” Proceeding of 2013 Second Japan-Egypt Conference on Electronics, Communications and Computers (JEC-ECC 2013), pp. 68-70, Dec. 2013.

[41]   K. Yousef, H. Jia, R. Pokharel, et al., “CMOS Ultra-Wideband Low Noise Amplifier (UWB-LNA) Using Symmetric 3D RF Integrated Inductor,” Proceeding of 2013 IEEE International Conference on Ultra Wide-band (IEEE ICUWB 2013), pp. 273-275, Oct. 2013.

[42]   K. Yousef, H. Jia, R. Pokharel, et al., “CMOS Ultra-Wideband Low Noise Amplifier Design,” International Journal of Microwave Science and Technology, vol. 2013, Article ID 328406, 6 pages, 2013. doi:10.1155/2013/328406.

[43]   K. Yousef, H. Jia, A. Allam, et al.,  “Design of 3D Integrated Inductor for RFICs,” Proceedings of  Japan Egypt Conference on Electronics, Communications and Computing (JECECC-2012), pp. 22-25, Dec. 2012.

[44]   K. Yousef and A. Allam, “RFIC design challenges and LNA importance”, Poster in Research Inducstry day, Biblioteca Alexandria, April 2011.

[45]   K. Yousef, H. Jia, R. Pokharel, A. Allam, M. Ragab and K. Yoshida, “A 2-16 GHz Current Reuse Cascaded Ultra-wideband Low Noise Amplifier,” Proceedings of Saudi International Electronics, Communications and Photonics Conference (SIECPC-2011). pp. 377-381, April 2011.