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Analog Circuit Design

General Scientific Contact: Maarten Kuijk

CMOS Analog RF-Front Ends

Scientific Contacts: Piet Wamback and Maarten Kuijk

Using smaller feature size transistors (< 90 nm) for analog RF-front ends is very challenging. Beside the advantages of newer downscaled CMOS technologies there are also many new difficulties to live with, like decreased voltage headroom, large transistor variability, etc.... To take full advantage of the merits of these new technologies, and to get around the new difficulties, totally novel circuits are investigated. Included are voltage controlled oscillators (VCOs), low noise amplifiers (LNAs), analog to digital converters (ADCs), and mixers.

CMOS High-Speed Base-Band electronics

Scientific Contact: Maarten Kuijk

Optical communication is often thought to be the solution for digital signal communication. However, in practice, cheap plastic optical fiber (POF) communication is not giving the wanted bandwidth due to the multi-mode nature of it. On the other hand, mono-mode optical fiber communication has remained too expensive due to the required precise mechanical alignment parts. The research of high-speed base-band electronics focuses on circuits for electrical communication with extended reach and bandwidth requiring circuits like self-adaptive equalizers, clock and data-recovery (CDR) and high-speed serializers and deserialisers (SERDES circuits) in CMOS operating at low voltage, i.e. at 1.2V.