A low-voltage low-power CMOS 5-GHz oscillator based on active inductors. - Haiqiao Xiao; Rolf Schaumann (ICECS, 2002)

A radio-frequency CMOS active inductor and its application in designing high-Q filters. - Haiqiao Xiao; Rolf Schaumann; W. Robert Daasch; Phillip K. Wong; Branimir Pejcinovic (ISCAS (4), 2004)

Analysis and optimization of noise in continuous-time OTA-C filters. - Slawomir Koziel; Rolf Schaumann; Haiqiao Xiao (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)