Mandatory Internship High-Speed PCB Test Structures for Resin Skew Characterization
Location: Schwieberdingen, de
Company Description
At Bosch, we shape the future by inventing high-quality technologies and services that spark enthusiasm and enrich people’s lives. Our promise to our associates is rock-solid: we grow together, we enjoy our work, and we inspire each other. Join in and feel the difference.
The Robert Bosch GmbH is looking forward to your application!
Job Description
Modern automotive systems operate at data rates exceeding 16 Gb/s, where small variations in printed circuit board (PCB) materials have a significant impact on signal integrity. One important effect is resin skew, caused by the inhomogeneous distribution of glass fibres and resin within PCB laminates. Differential signals propagating over glass bundles versus resin pockets experience different propagation velocities, leading to timing skew and potential eye-diagram degradation. This internship investigates the measurement-based characterization of resin skew using dedicated, high-speed PCB test structures. The goal is to design, simulate and analyze differential test structures that enable the quantification of skew induced by glass weave and resin distribution. The work contributes to the development of standardized measurement structures for the reliable high-speed interconnect design and material selection.
- During your internship, you will review literature on glass weave effects and resin-induced skew in high-speed PCBs.
- You will perform Vector Network Analyzer (VNA) measurements of test coupons to obtain broadband S-parameters.
- In addition, you will analyze measured and simulated S-parameters to extract propagation delay and differential skew.
- Furthermore, you will investigate the influence of glass style, trace orientation and routing geometry.
- Last but not least, you will document your findings and propose improved characterization structures.
Qualifications
- Education: studies in the field of in Electrical Engineering, Physics or comparable
- Experience and Knowledge: of Python, MATLAB or similar analysis tools is beneficial
- Personality and Working Practice: you are a person with a structured and independent working style
- Work Routine: your on-site presence is required
- Enthusiasm: interest in high-frequency electronics, signal integrity or electromagnetic simulation
- Languages: good in German and English
Additional Information
Start: according to prior agreement
Duration: 3 - 6 months (confirmation of mandatory internship required)
We offer you
- 35 hours/week with flextime
- a permanent contact person who will accompany you during your internship
- a modern working environment, as well as mobile working by arrangement
- the opportunity to become part of our student network students@bosch Stuttgart
- discounts in our company restaurants
Requirement for this internship is the enrollment at university. Please attach your CV, transcript of records, enrollment certificate, examination regulations and if indicated a valid work and residence permit.
Diversity and inclusion are not just trends for us but are firmly anchored in our corporate culture. Therefore, we welcome all applications, regardless of gender, age, disability, religion, ethnic origin or sexual identity.
Need further information about the job?
Torben Wendt (Functional Department)
+49 173 254 6327
Work #LikeABosch starts here: Apply now!
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