A 1.3-GHz IF digitizer using a 4th-order continuous-time bandpass ΔΣ modulator. - Todd S. Kaplan; Jose M. Cruz-Albrecht; Mehran Mokttari; Dave Mattews; Joseph F. Jensen; M. Frank Chang (CICC, 2003)

A 2-GS/s 3-bit ΔΣ-modulated DAC with tunable bandpass mismatch shaping. - Todd S. Kaplan; Joseph F. Jensen; Charles H. Fields; Mau-Chung Frank Chang (IEEE J. Solid State Circuits, 2005)

Continuous-time ΔΣ modulators using distributed resonators. - Todd S. Kaplan; Joseph F. Jensen (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)