A pipelined 3-level bandpass delta-sigma modulator for class-S power amplifiers. - Martin Schmidt 005; Sebastian Haug; Markus Grozing; Manfred Berroth (ISCAS, 2011)

Optimized 90° hybrids with sidewall grating in silicon on insulator. - Thomas Fohn; Wolfgang Vogel; Martin Schmidt 005; Manfred Berroth; Joerg Butschke; Florian Letzkus (OFC, 2014)

A 6 V CMOS switching mode amplifier for continuous-wave signals from DC to 3 GHz. - Robert Bieg; Martin Schmidt 005; Markus Grozing; Manfred Berroth (ISCAS, 2017)

A RF Pulse-Width and Pulse-Position Modulator IC in 28 nm FDSOI CMOS. - Markus Grozing; Johannes Digel; Thomas Veigel; Robert Bieg; Jianxiong Zhang; Simon Brandl; Martin Schmidt 005; Christoph Haslach; Daniel Markert; Wolfgang Templ (NORCAS, 2018)

A Novel Multi-level CMOS Switching Mode Amplifier for Mobile Communication Signals. - Robert Bieg; Martin Schmidt 005; Markus Grozing; Manfred Berroth (PRIME, 2018)