A quad-band low power single chip direct conversion CMOS transceiver with ΣΔ-modulation loop for GSM. - Edmund Götz; Hans Krobel; Gunter Marzinger; Bernd Memmler; Christian Muenker; Burkhard Neurauter; Dirk Romer; Jorn Rubach; Werner Schelmbauer; Markus Scholz; Martin Simon; Ulrich Steinacker; et al. (ESSCIRC, 2003)

Spectral PLL built-in self-test for integrated cellular transceivers. - Christian Muenker; Robert Weigel (ESSCIRC, 2007)

A 0.039mm2 inverter-based 1.82mW 68.6dB-SNDR 10MHz-BW CT-ΣΔ-ADC in 65nm CMOS. - Sebastian Zeller; Christian Muenker; Robert Weigel (ESSCIRC, 2013)

A 0.039 mm2 Inverter-Based 1.82 mW 68.6 dB-SNDR 10 MHz-BW CT-ΣΔ-ADC in 65 nm CMOS Using Power- and Area-Efficient Design Techniques. - Sebastian Zeller; Christian Muenker; Robert Weigel; Thomas Ussmueller (IEEE J. Solid State Circuits, 2014)