International SCI Journal

[1]S.-G. Kim, M. Yoon, and J.-Y. Ryu, “Development of Portable Wireless-Type Hardness Tester,” Journal of Institute of Control, Robotics and Systems (SCOPUS), Vol. 24, No. 12, pp. 1134-1140, December 2018.

[2]A. Siddique and J.-Y. Ryu, “A 24 GHz frequency synthesizer for automotive collision avoidance radar,” International Journal of Electronics Letters (SCOPUS), Vol. ?, No. ?, pp. ??-??, November 2018.

[2]H. Rastegar, S. Zare, and J.-Y. Ryu (CA), “A Low-Voltage Low-Power Capacitive-feedback Voltage Controlled Oscillator,” Integration, the VLSI Journal (SCIE)(IF=1.0(2016)), Vol. 60, pp. 257-262, January 2018.

[3]S.-H. Noh and J.-Y. Ryu(CA), “Linearity Enhancement Technique for GHz-Band LNA,” International Journal of Applied Engineering Research (SCOPUS), Vol. 12, No. 19, pp. 9116-9119, October 2017.

[4]S.-H. Noh, J.-H. Lim, and J.-Y. Ryu(CA), “Development of a New Automatic Fault Diagnosis System for Fine Pattern Transmission Lines,” International Journal of Control, Automation, and Systems (SCIE)( IF=2.173(2017), IF=1.687(2016)), Vol. 15, No. 5, pp. 2193-2202, October 2017.

[5]M.-U Sung, G.-H. Choi, H. Rastegar, S.-G. Kim, M. Kurbanov, P. Chandrasekar, J.-H. Lim, S.-J. Heo, J.-Y. Ryu(CA), S.-H. Noh, and M. Yoon, “24GHz CMOS Power Amplifier for Automotive Radar,” International Journal of Control and Automation (SCOPUS), Vol. 10, No. 1, pp. 267-276, January 2017.

[6]G.-H. Choi, H. Rastegar, M.-U Sung, S.-G. Kim, M. Kurbanov, P. Chandrasekar, J.-H. Lim, and J.-Y. Ryu (CA), “Design of Low-Power 24GHz Voltage-Controlled Oscillator, ” AETA 2016: Recent Advances in Electrical Engineering and Related Sciences, Lecture Notes in Electrical Engineering (SCOPUS), Vol. 415, No. 1, pp. 831-837, December 2016.

[7]H. Rastegar and J.-Y. Ryu(CA), “An Integrated High Linearity CMOS Receiver Frontend for 24-GHz Applications,” Journal of Semiconductor Technology and Science (SCIE), Vol. 16, No. 5, pp. 595-604, October 2016.

[8]M. Yoon and J.-Y. Ryu(Corresponding author), “Development of Low-Noise Small-Area 24GHz CMOS Radar Sensor,” Journal of Sensors (SCIE)(IF=1.704), Vol. 2016, No. 8, pp. 1-12, August 2016.

[9]H. Rastegar, J.-H. Lim, and J.-Y. Ryu(CA), “A 2GHz 20dBm IIP3 Low-Power CMOS LNA with Modified DS Linearization Technique,” Journal of Semiconductor Technology and Science (SCIE), Vol. 16, No. 4, pp. 443-450, August 2016.

[10]P. Chandrasekar and J.-Y. Ryu(CA), “Design of Low-Noise Programmable Digital FIR/IIR Filter,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 15, pp. 8467-8470, August 2016.

[11]M.-U Sung, M. Kurbanov, and J.-Y. Ryu(CA), “A 12-bit 1MSps SAR ADC with High ENOB,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 15, pp. 8464-8466, August 2016.

[12]S.-H. Noh, and J.-Y. Ryu(CA), “Design of Front-end for Automotive Collision Avoidance Radar,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 14, pp. 8243-8246, July 2016.

[13]J.-Y. Ryu, “Design of 24GHz Down-Conversion CMOS Mixer,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 14, pp. 8909-8912, July 2016.

[14]J.-H. Lee, C.-W. Park, K.-Y. Park, and J.-Y. Ryu(Corresponding author), “Development of a New Automatic Control System for the Harmonics Analysis of Distribution Transformers,” International Journal of Control, Automation, and Systems (SCIE) (IF=1.219(2015), Vol. 14, No. 3, pp. 796-803, June 2016.

[15]J.-H. Lim, S.-H. Noh, and J.-Y. Ryu (CA), “Design of 5.2-GHz Low Noise Amplifier for Wireless LAN,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 8, pp. 5600-5603, April 2016.

[16]C.-W. Park and J.-Y. Ryu (CA), “Design of High Stable PI Current Controller for Motor Driving System,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 6, pp. 4508-4511, March 2016.

[17]J.-Y. Ryu, “High-Gain Low-Area Power Amplifier for 77-GHz Automotive Radars,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 2, pp. 934-937, January 2016.

[18]J.-Y. Ryu, “Low-Power Power Amplifier for 77-GHz Automotive Radars,” International Journal of Applied Engineering Research (SCOPUS), Vol. 11, No. 1, pp. 661-663, January 2016.

[19]J.-Y. Ryu, “Low-Power Wideband CMOS Operational Amplifier for High-Speed Delta-Sigma Modulator,” International Journal of Applied Engineering Research (SCOPUS), Vol. 10, No. 24, pp. 44172-44177, December 2015.

[20]H. Rastegar and J.-Y. Ryu (Corresponding author), “A broadband Low Noise Amplifier with built-in linearizer in 0.13-μm CMOS process,” Microelectronics Journal (SCIE)(IF=1.163), Vol. 46, No. 8, pp. 698-705, August 2015.

[21]S.-G. Kim, H. Rastegar, M. Yoon, C.-W. Park, K.–Y. Park, S.–K. Joung and J.-Y. Ryu (Corresponding author), “High-Gain and Low-Power Power Amplifier for 24-GHz Automotive Radars,” International Journal of Smart Home (SCOPUS), Vol. 9, No. 2, pp. 27-34, February 2015.

[22]C.-H. Kim, M.-U Seong, S.-K. Choi and J.-Y. Ryu (Corresponding author), “Low-Power CMOS Programmable Gain Amplifier with a DC-offset Cancellation for a Direct Conversion Receiver,” International Journal of Control and Automation (SCOPUS), Vol. 8, No. 1, pp. 351-360, January 2015.

[23]J.-H. Lim, J.-Y. Ryu, H.-J. Choi, and W.-C. Choi, “Design and Fabrication of a Low-cost Wafer-level Packaging for RF Devices,” Transactions on Electrical and Electronic Materials (SCOPUS), Vol. 15, No. 2, pp. 91-95, April 2014.

[24]W.-C. Choi, J.-Y. Ryu (Corresponding author) and S.-K. Joung, “Programmable RF Built-In Self-Test Circuit for 5GHz Wireless LAN,” International Journal of Smart Home (SCOPUS), Vol. 7, No. 6, pp. 181-190, December 2013.

[25]C.-W. Park, M. Yoon, and J.-Y. Ryu, “DVR Optimization Technique for 3-Phase Phase-controlled Rectifier,” Pacific Journal of Optimization (SCIE), Vol. 9, No. 4, pp. 663-677, November 2013.

[26]J.-H. Lim, J.-Y. Ryu, and W.-C. Choi, “Highly Productive Process Technologies of Cantilever-type Microprobe Arrays for Wafer Level Chip Testing,” Transactions on Electrical and Electronic Materials (SCOPUS), Vol. 14, No. 2, pp. 63-66, April 2013.

[27]J.-H. Lim, J.-Y. Ryu, H.-S Moon, S.-E. Kim, and W.-C. Choi, “Characterization of ZnO Nanorods and SnO2-CuO Thin Film for CO Gas Sensing,” Transactions on Electrical and Electronic Materials (SCOPUS), Vol. 13, No. 6, pp. 305-309, December 2012.

[28]J.-Y. Ryu and M. Yoon, “Novel Automatic Image Quality Optimization Algorithm and System for mobile TFT-LCD applications,” Pacific Journal of Optimization (SCIE), Vol. 8, No. 3, pp. 501-516, July 2012.

[29]W.-C. Choi and J.-Y. Ryu (Corresponding author), “Fabrication of a guide block for measuring a device with fine pitch area-arrayed solder bumps,” Microsystem Technologies Journal (SCI), Vol. 18, No. 3, pp. 333-339, March 2012.

[30]W.-C. Choi and J.-Y. Ryu (Corresponding author), “A Programmable Compensation Circuit for System-on-Chip Application,” Journal of Semiconductor Technology and Science (SCIE), Vol. 11, No. 3, pp. 198-206, September 2011.

[31]W.-C. Choi and J.-Y. Ryu (Corresponding author), “A MEMS Guide Plate for a High Temperature Testing of a Wafer Level Packaged Die Wafer,” Microsystem Technologies Journal (SCI), Vol. 17, No. 1, pp. 143-148, January 2011.

[32]J.-Y. Ryu, S.-W. Kim, S.-U. Kim and D.-H Ha, “Automatic Image Quality Control System,” Communications in Computer and Information Science (SCOPUS), Vol. 120, No. 1, pp. 311-315 , December 2010.

[33]J.-Y. Ryu, S.-W. Kim, D.-H Lee, S.-H. Park, J.-H. Lee, D.-H Ha and S.-U. Kim, “Programmable RF System for RF System-on-Chip,” Communications in Computer and Information Science (SCOPUS), Vol. 120, No. 1, pp. 316-320, December 2010.

[34]C.-W. Park and J.-Y. Ryu (Corresponding author), “Development of a New Automatic Gamma Control System for Mobile LCD Applications,” Displays Journal (SCIE), Vol. 29, No. 4, pp. 393-400, October 2008.

[35]J.-Y. Ryu and S.-H. Noh, “A New Automatic Compensation Network for System-on-Chip Transceivers,” ETRI Journal (SCI), Vol. 29, No. 3, pp. 371-380, June 2007.

[36]J.-Y. Ryu and S.-H. Noh, “A New Approach for Built-in Self-Test of 4.5 to 5.5GHz Low- Noise Amplifiers,” ETRI Journal (SCI), Vol. 28, No. 3, pp. 355-363, June 2006.

[37]J. Y. Ryu, B. C. Kim and I. Sylla, “A Novel RF Test Scheme Based on a DFT Method,” Journal of Electronic Testing: Theory and Applications (SCIE), Vol. 22, No. 3, pp. 229-237, June 2006.

[38]J.-Y., Ryu, B. C. Kim and I. Sylla, “A New Low-Cost RF Built-In Self-Test Measurement for System-On-Chip Transceivers,” IEEE Transactions on Instrumentation and Measurement (SCI) (Special section paper), Vol. 55, No. 2, pp. 381-388, April 2006.

[39]J.-Y. Ryu and B. C. Kim, “Low-Cost Testing of 5GHz Low Noise Amplifiers Using New RF BIST Circuit,” Journal of Electronic Testing: Theory and Applications (SCIE), Vol. 21, No. 6, pp. 571-581, December 2005.

[40]J. Y. Ryu and B. C. Kim, “Low-Cost Test Technique Using a New RF BIST Circuit for 4.5-5.5 GHz Low Noise Amplifiers,” Microelectronics Journal: Circuits and Systems (SCIE), Vol. 36, No. 8, pp. 770-777, August 2005.

[41]T. H. Kwon, J. Y. Ryu, W. C. Choi, S. W. Kim, S. H. Park, H. H. Choi and M. K. Lee, “Investigation on Sensing Properties of ZnO-Based Thin Film Sensors for Trimethylamine Gas,” Sensors and Materials(SCI), Vol. 11, No. 5, pp. 257-267, 1999. 11.

[42]T. H. Kwon, S. H. Park, J. Y. Ryu, and H. H. Choi, “Zinc oxide thin film doped with Al2O3, TiO2 and V2O5 with as sensitive sensor for trimethylamine gas,” Sensors and Actuators B (SCI), Vol. 46, pp. 75-79, 1998.

[43]J. D. Kim, M. C. Yoon and J.-Y. Ryu, “Rockwell hardness modeling using indented volume,” Applied mechanics and materials, Vol. 152-154, pp. 312-315, January 2012.

[44] Delwar, T.S., Siddique, A., Pradhan, P.K., Jana, A. and Ryu, J.Y., 2021. Signal power optimization technique in optical wireless link: a comparative study with GA and PSO. Optical and Quantum Electronics, 53(8), p.483. 

[45] Delwar, T.S., Siddique, A., Biswal, M.R., Behera, P., Rashed, A.N.Z., Choi, Y. and Ryu, J.Y., 2022. A novel dual mode configurable and tunable high-gain, high-efficient CMOS power amplifier for 5G applications. Integration, 83, pp.77-87. 

[46] Siddique, Abrar, Tahesin Samira Delwar, and Jee-Youl Ryu. 2021. "A Novel Optimized V-VLC Receiver Sensor Design Using μGA in Automotive Applications" Sensors 21, no. 23: 7861. 

[47] Delwar, T.S., Siddique, A., Biswal, M.R., Behera, P., Choi, Y. and Ryu, J.Y., 2022. A 65 nm Duplex Transconductance Path Up-Conversion Mixer for 24 GHz Automotive Short-Range Radar Sensor Applications. Sensors, 22(2), p.594. 

[48] Siddique, A., Delwar, T.S. and Ryu, J.Y., 2021. A high‐linearity high‐gain up‐conversion mixer for 24 GHz automotive radar applications. Electronics Letters, 57(2), pp.48-50. 

[49] Behera, P., Siddique, A., Delwar, T.S. and Ryu, J.Y., 2021. Performance analysis of FIR based communication in multi user scenario using CSK. Optical and Quantum Electronics, 53(9), p.486. 

[50] Biswal, M.R., Delwar, T.S., Siddique, A., Behera, P., Choi, Y. and Ryu, J.Y., 2022. Pattern Classification Using Quantized Neural Networks for FPGA-Based Low-Power IoT Devices. Sensors, 22(22), p.8694. 

[51] Delwar, T.S., Siddique, A., Aras, U., Lee, Y. and Ryu, J.Y., 2023. A novel hemispherical visible light transmitter design for multi-user optical beamforming in wireless communication. Optical and Quantum Electronics, 55(10), pp.1-23. 

[52] Delwar, T.S., Siddique, A., Aras, U. and Ryu, J.Y., 2023. A Design of Adaptive Genetic Algorithm-Based Optimized Power Amplifier for 5G Applications. Circuits, Systems, and Signal Processing, pp.1-20. 

[53] Sung, M.U., Chun, J.I., Choi, Y.J., Kil, K.P., Kim, S.G., Kurbanov, M., Samira, D.T., Siddique, A., Ryu, J.Y., Noh, S.H. and Yoon, M., 2019. Design of 77-GHz CMOS Voltage-Controlled Oscillator with Low-Phase Noise. In Proceedings of the Korean Institute of Information and Commucation Sciences Conference (pp. 467-468). The Korea Institute of Information and Commucation Engineering. 

[54] Eid, M.M., Arunachalam, R., Sorathiya, V., Lavadiya, S., Patel, S.K., Parmar, J., Delwar, T.S., Ryu, J.Y., Nyangaresi, V.O. and Zaki Rashed, A.N., 2022. QAM receiver based on light amplifiers measured with effective role of optical coherent duobinary transmitter. Journal of Optical Communications, (0). 

[55] Eid, M.M., Rashed, A.N.Z., Delwar, T.S., Siddique, A. and Ryu, J.Y., 2021. Linear/cubic measured pulse numerically with electrical jitter amplitude variations for the impact on fiber communication systems. Journal of Optical Communications, (0), p.000010151520200301. 

[56] Eid, M.M., Zaki Rashed, A.N., El-Gammal, E.M., Delwar, T.S. and Ryu, J.Y., 2020. The influence of electrical filters with sequence generators on optical ISL performance evolution with suitable data rates. Journal of Optical Communications, (0), p.000010151520200257. 

[57] Siddique, A., Delwar, T.S., Kurbanov, M. and Ryu, J.Y., 2020. Low-power low-phase noise VCO for 24​ GHz applications. Microelectronics Journal, 97, p.104720. 

[58] Behera, P., Siddique, A., Delwar, T.S., Biswal, M.R., Choi, Y. and Ryu, J.Y., 2022. A Novel 65 nm Active-Inductor-Based VCO with Improved Q-Factor for 24 GHz Automotive Radar Applications. Sensors, 22(13), p.4701.