Design of a sigma-delta ADC in a 180nm technology

During your studies, you can contribute to our ongoing research projects. Join us in pushing the limits of what is technically feasible and be part of breaking new ground together. We offer a variety of challenging and practice-oriented topics as internships, bachelor’s or master’s theses or as student assistants (paid HiWi jobs). You will analyse important scientific preliminary questions and support the project teams with development activities.

Place of work:

Erfurt

Team:

Mikroelektronics

Career level:

Mandatory Internship, Thesis or Student Research Assistant

Research field:

Integrated sensor systems

Time scope:

By agreement

Start:

As soon as possible

Application deadline:

2024-12-31

Reference number:

IMMS_STUD_ME_1123
For the measurement of physical quantities, analog sensors are usually used, which provide a proportional voltage signal from the output value. An analog-to-digital converter (ADC) is required to process this measurement data at the system level. Depending on the requirements, there are various converter topologies that differ in parameters such as sampling rate, resolution or current consumption. In addition to a high resolution, the converter topology based on the sigma-delta principle also offers the advantage of noise shaping. This shifts the interfering quantization noise spectrally to higher frequencies, which increases the signal-to-noise ratio. This makes this ADC topology particularly suitable for sensor signals with slow to medium rates of change.

The objective of this work is to compare different realization variants of sigma-delta ADCs and to implement a suitable topology based on a previously defined specification in a 180 nm CMOS technology.

WHAT TO DO:

• familiarisation with the topic & literature research
• comparison and contrast of different circuit topologies
• creation of a specification based on an application example
• selection and implementation of a suitable circuit concept

WHAT TO BRING WITH YOU:

• advanced studies in the field of electrical engineering
• Knowledge of analogue circuit technology
• motivated and self-driven way of working

AND THIS IS US:

We strengthen enterprises with application-oriented research and development in microelectronics, systems engineering and mechatronics and transfer the results of basic research into applications and products. We support companies in launching internationally successful innovations for health, the environment and industry and provide solutions from the feasibility study to series production.

WE ARE LOOKING FORWARD TO MEETING YOU!

We thank you for your interest in working with us.

WHAT CAN WE OFFER YOU:

• An attractive workplace in a modern, very well-equipped and industry-oriented research institute
• Work directly at the interface between university and industry
• Work in a flexible and creative team and on innovative and challenging topics

For the tasks described in the job offer and with the existing working conditions, an application is possible irrespective of gender and/or any physical disabilities. We foster professional equality of women and men. We invite women in particular to apply. As women are underrepresented at IMMS, they will be given priority in the case of equal suitability, ability and professional performance.

Address:

IMMS Institut für Mikroelektronik- und Mechatronik-Systeme gemeinnützige GmbH (IMMS GmbH)
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