1. Microelectronics Engineering, School of Electrical Engineering and Informatics Institut Teknologi Bandung,Bandung,Indonesia
2. University of Muhammadiyah Bandung,Department of Electrical Engineering,Bandung,Indonesia
3. Research and Development Division PT East West Seed Indonesia,Purwakarta,Indonesia
4. School of Electrical Engineering and Informatics Institut Teknologi Bandung,Department of Electrical Engineering,Bandung,Indonesia