A 1.8 V CMOS DAC cell with ultra high gain op-amp in 0.0143 mm2. - Brandon Greenley; Un-Ku Moon; Raymond Veith (ISCAS (1), 2001)

Continuous-time filter design optimized for reduced die area. - Charles Myers; Brandon Greenley; Daniel Thomas; Un-Ku Moon (IEEE Trans. Circuits Syst. II Express Briefs, 2004)

A low-Voltage 10-bit CMOS DAC in 0.01-mm2 die area. - Brandon Greenley; Raymond Veith; Dong-Young Chang; Un-Ku Moon (IEEE Trans. Circuits Syst. II Express Briefs, 2005)