A fourth-order bandpass sigma-delta modulator. - Stephen A. Jantzi; W. Martin Snelgrove; Paul F. Ferguson Jr. (IEEE J. Solid State Circuits, 1993)

A Complex Bandpass Delta-Sigma Converter for Digital Radio. - Stephen A. Jantzi; Kenneth W. Martin; W. Martin Snelgrove; Adel S. Sedra (ISCAS, 1994)

Transfer Function Design for Delta-Sigma Converters. - Stephen A. Jantzi; C. Ouslis; Adel S. Sedra (ISCAS, 1994)

Quadrature bandpass ΔΣ modulation for digital radio. - Stephen A. Jantzi; Kenneth W. Martin; Adel S. Sedra (IEEE J. Solid State Circuits, 1997)