A GaAs HEMT MMIC chip set for automotive radar systems fabricated by optical stepper lithography. - Jan-Erik Müller; Thomas Grave; Heinz J. Siweris; Martin Kärner; Andre Schäfer; Harald Tischer; Henning Riechert; Lothar Schleicher; Ludger Verweyen; Axel Bangert; Walter Kellner; Thomas Meier 005 (IEEE J. Solid State Circuits, 1997)

A small chip size 2 W, 62% efficient HBT MMIC for 3 V PCN applications. - Jan-Erik Müller; Peter Baureis; Otto Berger; Thomas Boettner; Nicola Bovolon; Rüdiger Schultheis; Gerhard Packeiser; Peter Zwicknagl (IEEE J. Solid State Circuits, 1998)