Simulation of quadrature-bandpass Sigma-Delta analog to digital converters using state space descriptions. - Stefan Joeres; Song-Bok Kim; Stefan Heinen (ECCTD, 2007)

A compensation method of the excess loop delay in continuous-time complex sigma-delta modulators. - Song-Bok Kim; Stefan Joeres; Stefan Heinen (ECCTD, 2007)

Issues on View Switching for RF SoC Verification. - Yifan Wang 001; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (BMAS, 2008)

Complex mismatch shaper for tree-structured DAC in multi-bit complex sigma-delta modulators. - Song-Bok Kim; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (ICECS, 2008)

Continuous-time quadrature bandpass sigma-delta modulator with capacitive feedforward summation for GSM/EDGE low-IF receiver. - Song-Bok Kim; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (ICECS, 2008)

A Polyphase Filter Design for Continuous-Time Quadrature Bandpass Sigma-Delta Modulators. - Song-Bok Kim; Markus Robens; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

Effect of Mismatched Loop Delay in Continuous-Time Complex Sigma-Delta Modulators. - Song-Bok Kim; Tobias D. Werth; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

A 2.7 mW, 90.3 dB DR Continuous-Time Quadrature Bandpass Sigma-Delta Modulator for GSM/EDGE Low-IF Receiver in 0.25 µm CMOS. - Song-Bok Kim; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (IEEE J. Solid State Circuits, 2009)

Modeling Approaches for Functional Verification of RF-SoCs: Limits and Future Requirements. - Yifan Wang 001; Stefan Joeres; Ralf Wunderlich; Stefan Heinen (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 2009)