High efficient Doherty power amplifier for wireless communication: An RF power amplifier for upcoming radio standards like LTE and LTE-Advanced in microstrip technology. - Robert Paulo; Tom Drechsel; Robert Wolf; Corrado Carta; Frank Ellinger (SSD, 2012)

A 6.5 to 15.1 GHz ultra-wideband SiGe LC VCO with 80 % continuous tuning range. - Tom Drechsel; Niko Joram; Frank Ellinger (ECCTD, 2017)

A 6-15 GHz ultra-wideband signal generator with 82 % continuous tuning range for FMCW radar. - Tom Drechsel; Niko Joram; Frank Ellinger (PRIME, 2019)

An ultra-wideband 6-14 GHz frequency modulated continuous wave primary radar with 3 cm range resolution. - Tom Drechsel; Niko Joram; Frank Ellinger (Integr., 2020)