Research – Overview

Noise in CMOS ring oscillators

Viterbi Equalizer for 43 Gbit/s

Sampling Equalizer for 10 Gbit/s

ADC building blocks for 40 Gs/s

Fast 3 bit A/D-Converter

Fast 3 bit D/A-Converter

Delta-Sigma Modulator

Fast Memory Interfaces

Integrated Optical
Receiver



















CMOS Photodiodes


Integrated waveguides


Metamaterials


Photonic crystals

Envelope Tracking



Bandpass Class S Amplifier































Switching Amplifier for UMTS



Continous time
Delta-Sigma Modulator

GaN transistor modeling

Si-Ge-PIN-Photodiodes > 50 GHz

Si-Ge-waveguide-photodiodes