5 years hands-on experience in RF/microwave designs including: transmission lines, interconnects front-end modules for high-speed communication
Extensive experience of co-simulation and co-design in both academia and industry
Proficiency with RF simulation tools
Familiar with equipment such as VNA, spectrum analyzer, signal generator, power meter and oscilloscope
Hands-on experience in hybrid integration with advanced packaging technologies
Knowledge of packaging technologies, RFIC, mixer signal, LNA, PA
Excellent communication skills
understanding in RF component characteristics and behavior
Successful design experience of high-speed interconnects, transmission lines, filters, antennas as well as active circuits for RF/mm-wave applications
5 years of experience in the use of RF design tools such as ADS, HFSS, Momentum and Cadence APD
Basic skills of other software tools like MATLAB and AutoCAD
5 years of measurement experience with VNA, Spectrum Analyzer, Signal Generator, Power Meter, Noise Source and Wafer Probing in testing front-end module, high speed cable assemblies and interconnects
Fabrication experience in photolithography and 3D printing technologies
Involved with multidisciplinary projects and played as a complex problem solver
RF Design InternJun 2015 to Aug 2015 Skyworks Solutions, Inc － Santa Clara, CA
Designed and implemented the front-end module for LTE-Advanced carrier aggregation applications from the concept to the implementation
Integrated SAW, duplexers and PA. Initiated a package design to solve isolation issues for LTE-advanced application
Implemented MCM floor planning & Tapeout, EM simulation of RF laminate substrate with RF die, and SMT devices and co-simulation in ADS.
Graduate Research AssistantMay 2009 to Current Georgia Institute of Technology － Atlanta, GA
Led the project (3 or 4 students involved) sponsored by National Science Foundation (NSF), organized design plans, coordinated the projects with co-workers and wrote reports
Achieved the lowest loss of transmission lines at 170 GHz by digital printing technology
Successfully implemented various RF designs including interconnects, low noise amplifiers (LNA), antennas, and filters on multiple layers from ISM band to mm-wave frequency band
Built the front-end module by novel packaging method
Developed stretchable RF components for wearable devices design
Designed and measured 2.4 GHz antennas, filters and LNA with stretchable nano-composites
Constructed self-powered advanced meter infrastructure (AMI) for Smart Grid and reduced the losses across the distribution system by 30% in a cost effective manner
Designed and integrated low frequency passive components
Multidisciplinary experiences in communication strategies and asset management in the power system
Ph.D., School of Electrical and Computer EngineeringDec. 2015Georgia Institute of Technology － Atlanta, GA, USA
M.S., School of Electrical and Computer EngineeringDec. 2011Georgia Institute of Technology － Atlanta, GA, USASchool of Electrical and Computer Engineering
B.E, School of ElectronicsSept. 2008Huazhong University of Science & Technology － Wuhan, Hubei, China
F. Cai and J. Papapolymerou, "3-D Printed broadband 5-20 GHz front-end module" in IEEE Trans. Microw. Theory Tech. 2015 (in preparation).
F. Cai and J. Papapolymerou, "3-D printed Antenna at D-band on LCP" in IEEE Trans. Microw. Theory Tech. 2015 (in preparation).
F. Cai, Y. Chang, C. Zhang and J. Papapolymerou, "Wideband transition using multilayers striplines by Aerosol Jet 3-D printing" in IEEE Trans. Microw. Theory Tech.2015 (Submit).
F. Cai, W. Khan and J. Papapolymerou, "A Low Loss X-band Filter Using 3-D Polyjet Technology," in IEEE MTT-S Int. Microw. Symp. Dig. (IMS), Phoenix, AZ, 2015.
F. Cai, Y. Chang, K. Wang, C. Zhang and J. Papapolymerou, "Aerosol Jet Printing for 3-D Multilayer Passive Microwave Circuitry," in IEEE Proc. Eur. Microw. Conf. (EuMC), 2014, pp. 512-515.
F. Cai, Y. Chang, K. Wang, C. Zhang and J. Papapolymerou, "High Resolution Aerosol Jet Printing of D-Band Printed Transmission Lines on Flexible LCP Substrate," in IEEE MTT-S Int. Microw. Symp. Dig. (IMS), Tempa, FL, 2014.
F. Cai, A. Ulusoy and J. Papapolymerou, "2.4 GHz Low Cost Low Noise Amplifier on Flexible Organic Substrate," in Pro. Asia-Pacific Microw. Conf. (APMC), 2013, pp. 270-272.
F. Cai, Z. Li, J. Agar, C. P. Wong, J. Papapolymerou, "Novel Stretchable Electrically Conductive Composites for Tunable RF Devices," in IEEE MTT-S Int. Microw. Symp. Dig. (IMS), Montreal, Canada, 2012.
F. Cai, R. Huang, E. Farantatos, A. Mellopoulos, J. Papapolymerou, "Self-powered Smart Meter with Synchronized Data," in Proc. of the IEEE Radio and Wireless Symposium (RWS), San Diego, 2012, pp. 395-398.
F. Cai, D. Chung, E. Farantatos, A. Mellopoulos, J. Papapolymerou, "Self-powered Advanced Meter Design for Smart Grid," in Pro. Asia-Pacific Microw. Conf. (APMC), Yokohama, Japan, 2010, pp.1380-1383.
A. Meliopoulos, R.K. Huang, F. Cai, E. Farantatos, U.S. patent
voltage sensor for high voltage test”
Outstanding graduate student with the highest honor, Jun. 2008
General Electric Smart Grid Challenge Awards, 2009 & 2011