Phd Student in Fractional-n Pll Architecture

Vor 6 Tagen

Hamburg, Deutschland NXP Semiconductors Vollzeit

**Overview**:
The design of phase-locked-loops (PLL) is an active research topic within the Business Line Radar Frequency Processing, which is divided into three Product Lines: Car Infotainment, Advanced Driver Assistance Systems and Personal Health. It is the RF Processing powerhouse of NXP with R&D centers and high-tech colleagues around the globe. The Business Line holds several market leadership positions including radar semiconductors, radio & audio infotainment as well as hearing aids. System knowledge, RF-CMOS integration and embedded software/algorithms are the core of its success. In the automotive context, the arising complexity in the automotive board net system gives rise to needed enhancements of fractional-N PLL solutions which address high flexibility in several use cases. As NXP is the world's No. 1 supplier of automotive semiconductors, you will be part of developing highly relevant solutions to address future customer requirements for high-performance PLL systems.

**Your tasks**:

- Study effect of different PLL architectures focusing on key parameters such as noise figure, lock speed, tuning range, tuning linearity and power consumption
- Design and verification of PLL systems
- Test chip design
- Create validation boards for test chips and verify test chips via measurements
- Documentation and exploitation of the results (scientific publications,)

**Education and Requirements**:

- Master in Electrical Engineering or related fields
- Experience with or a good understanding of PLL systems
- System analysis and modeling skills
- Analogue design experience (e.g. oscillator design, filter design,)
- Digital design experience
- Must be familiar with Verilog/VDHL
- Must have an interest in fractional-N PLL systems and design
- Strong interest in mathematical analysis
- Interest in pre
- and post-silicon technology and analysis
- Fluent in spoken and written English (German is a plus)
- Excellent communication and presentation skills (internally and externally)

**Please note that this is a contract in part-time (80%), limited to 3 years.

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