GDDR5 Training. - Hubert Werkmann; Dong-Myong Kim; Shinji Fujita (ATS, 2008)

An Active Test Fixture Approach for 40 Gbps and Above At-Speed Testing Using a Standard ATE System. - Jose Moreira; Bernhard Roth; Hubert Werkmann; Lars Klapproth; Michael Howieson; Mark Broman; Wend Ouedraogo; Mitchell Lin (Asian Test Symposium, 2013)

An ATE Based 32 Gbaud PAM-4 At-Speed Characterization and Testing Solution. - Jose Moreira; Hubert Werkmann; Masahiro Ishida; Bernhard Roth; Volker Filsinger; Sui-Xia Yang (ATS, 2014)