Mohamed Afifi
Freiburg
Summary
Accomplished Senior Analog IC Design Engineer with a proven track record at Elmos Semiconductor SE, excelling in analog circuit design and design verification. Demonstrated expertise in signal integrity analysis and circuit simulation, coupled with strong teamwork and problem-solving skills. Successfully met project deadlines, ensuring quality and efficiency in high-performance integrated circuits development.
Overview
23
23
years of professional experience
Work History
Senior Analog IC Design Engineer
Elmos Semiconductor SE
09.2018 - Current
- Analog circuits design and simulations (bandgabs, LDO, amplifiers ...).
- Mixedmode top level verifications (synopsys tools, TCL scripts).
- Supervise the blocks layout.
- IC lab. Validations.
- Consistently met project deadlines while maintaining a strong focus on quality assurance and attention to detail in design work.
- Assisted sales teams in providing accurate technical information to customers during pre-sales engagements.
- Collaborated with team members to develop high-performance integrated circuits for various applications in the industry.
Analog Design Engineer
GME MbH
03.2016 - 08.2018
- Analog circuit design.
- Assist in creating system (top sensor AFE/ADC) behavioral models in matlab/ simulink
- Assist in optimizing / analyzing the ADC performance using different compensation techniques (e.g.,
- chopper and CDS)
- System/block/circuit and PEX level verifications and performance evaluation
- Engineering documentation
Postdoc Researcher
IMTEK, University of Freiburg
09.2005 - 03.2016
- Handle the tasks of developing high performance tunable bandpass sigma delta ADC for FM digital receivers.
- Perform system level analysis by using analysis and computer simulation.
- Gathered and organized information for research purposes.
- Responsible for developing new architectures and circuit designs for high resolution sensor readout system.
- Perform responsibilities of assessing system requirements, designs, and specifications
- Assist in performing circuit designs and simulations
- Responsible for preparing engineering documents and delivering engineering presentations.
- Teaching and instructed microelectronic courses.
- Perform technical Review for scientific journals
Research Assistant
Electronics Research Institute (ERI)
12.2001 - 08.2005
- Develop and simulate low power low voltage circuits for hearing aid devices.
- Perform the tasks of preparing documentation and presentations.
- Conducted literature reviews to support hypothesis development and identify gaps in existing knowledge.
Education
Ph.D. - Microelectronics
University of Freiburg
Freiburg Im Breisgau, Germany02-2012
Master of Science - Microelectronics
University of Minia
Minia, Egypt03-2003
Bachelor of Science - Electrical Engineering
University of Minia
Minia, Egypt07-1999
Skills
- Analog circuit design
- Design verification
- Circuit simulation (cadence, synopsis)
- Documentation and reporting
- CAD software proficiency
- Teamwork and collaboration
- Problem-solving
Languages
Arabic
Bilingual or Proficient (C2)
English
Advanced (C1)
German
Upper intermediate (B2)
PUBLICATIONS
- M. Afifi, M. Ortmanns, Y. Manoli, “Design Study of a Tunable Bandpass Continuous Time Sigma Delta Modulator for FM Digital,” Proc. IEEE Int. Conf. on Mixed Design of Integrated Circuits and Syst,, 2008, pp. 219 – 224.
- M. Afifi, M. Ortmanns, Y. Manoli, “Excess Loop Delay Compensation Technique for Tunable Bandpass Delta Sigma Modulator,” Proc. IEEE Int. Midwest Symposium on Circuits and Syst., 2009, pp. 365 – 368.
- Shahein, M. Afifi, M. Becker, and Y. Manoli, “A Power-Efficient Tunable Narrow-Band Digital Front-End for Bandpass Sigma-Delta ADCs in Digital FM Receivers,” IEEE Trans.Circuits and Syst. II, vol. 57,no. 11, 883– 887, 2010.
- M. Afifi, A. Shahein, M. Maurer, M. Keller, and Y. Manoli, “A Self Calibration Technique for Tunable Continuous-time Bandpass Delta-Sigma Modulators,” Proc. IEEE Int. Symp. Circuits Syst. 2012, pp. 2977-2980.
- M. Afifi, Y. Manoli and M. Keller, “A Study of Excess Loop Delay in Tunable Continuous-Time Bandpass Delta-Sigma Modulators Using RC Resonators,” Analog Integrated Circuits and SignalProcessing, vol. 79, no. 11,555-568, 2014.
- M. Afifi, M. Maurer, T. Hehn, A. Taschwer, Y. Manoli, “ An Automatic Tuning Technique for Background Frequency Calibration in Gyroscope Interfaces based on High Order Bandpass Delta-Sigma Modulators” Proc. IEEE Int. Symp. Circuits Syst. 2015, pp. 1730-1733.
Timeline
Senior Analog IC Design Engineer
Elmos Semiconductor SE
09.2018 - Current
Analog Design Engineer
GME MbH
03.2016 - 08.2018
Postdoc Researcher
IMTEK, University of Freiburg
09.2005 - 03.2016
Research Assistant
Electronics Research Institute (ERI)
12.2001 - 08.2005
Ph.D. - Microelectronics
University of Freiburg
Master of Science - Microelectronics
University of Minia
Bachelor of Science - Electrical Engineering
University of Minia
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