Professional Experience and Interests:I specialize in hardware and firmware design for mixed analog and digital systems. My expertise includes developing switching and PFC power supplies, designing Class D audio amplifiers (DIGIPRO AUDIO technology), and working with analog and audio DSP systems. Additionally, I have experience in electronic design for lock and access control systems.I oversee and manage development teams, guiding projects from initial planning through to successful implementation. I support companies throughout the production process, from prototype creation to the launch of mass production.My career has also involved international collaboration, including working with partners in Asia. I have a strong interest in scientific and popular science articles, history, and technical-scientific topics.Skills:Project managerTechnical directorTeam leaderHardware and firmware developer.Pcb designer (Altium specialist)Electronic simulation (LtSpice)Professional audio specialist (Analog/Digital/signal conditioning/power audio/power supply)TestingProduct production support from foreign suppliers world wide