Summer school on circuit theory: 2nd-6th September 1974. Prague, Czechoslovakia. - John I. Sewell (Comput. Aided Des., 1975)

An Adaptive Electronic Circulator for Use in Telephones. - R. P. Lodge; John I. Sewell (IEEE Trans. Commun., 1975)

An Improved Adaptive Electronic Circulator for Telephone Applications. - H. Gazioglu; D. A. Homer; John I. Sewell (IEEE Trans. Commun., 1979)

On low sensitivity/noise digital filter structures. - Li Ping 001; John I. Sewell (ICASSP, 1989)

Design of a switched-capacitor filter for a mobile telephone receiver. - Li Ping 001; R. C. J. Taylor; Robert K. Henderson; John I. Sewell (IEEE J. Solid State Circuits, 1992)

Design of high order audio sigma-delta modulators with minimum weighted noise. - D. M. Hossack; John I. Sewell (ISCAS, 1993)

Efficient Sensitivity Analysis for Large Non-idel Switched Capacitor Netowrks. - Z. Q. Shang; John I. Sewell (ISCAS, 1993)

A Transconductor-Capacitor Video Filter and Equaliser Design. - Lu Yue; Nigel P. J. Greer; John I. Sewell (ISCAS, 1993)

The Application of Redundant Number Systems to Digital Sigma-Delta Modulators. - David M. Hosack; John I. Sewell (ISCAS, 1994)

Efficient Noise Analysis Methods for Large Non-ideal SC and SI Circuits. - Z. Q. Shang; John I. Sewell (ISCAS, 1994)

A Comparison Study of SC Biquads in the Realisation of SC Filters. - Lu Yue; John I. Sewell (ISCAS, 1994)

Canonical Realisation of Ladder Based Transconductor-capacitor Filters. - Lu Yue; John I. Sewell; Nigel P. J. Greer (ISCAS, 1994)

Accurate Semi-Symbolic Analysis of Large Non-Ideal Switched Linear Networks. - John I. Sewell; Z. Q. Shang (ISCAS, 1995)

A Systematic Approach for Ladder Based Switched-Current Filter Design. - Lu Yue; John I. Sewell (ISCAS, 1995)

Multirate SC and SI Filter System Design by XFILT. - Lu Yue; John I. Sewell (ISCAS, 1995)

Switched-current elliptic decimators based on bilinear-transformed ladder structures. - Andrew E. J. Ng; John I. Sewell (ICECS, 1998)

A robust CMOS compander. - David Hossack; John I. Sewell (IEEE J. Solid State Circuits, 1998)

Pseudo-N-path cells for switched-current signal processing. - Andrew E. J. Ng; John I. Sewell (ISCAS (2), 1999)

Bilinear transformed switched-current ladder interpolators. - Andrew E. J. Ng; John I. Sewell (ISCAS (2), 1999)

Switched-current bilinear ladder group-delay equalisers. - Andrew E. J. Ng; John I. Sewell (ICECS, 2000)

High-order lowpass and bandpass elliptic log-domain ladder filters. - Emmanuel M. Drakakis; Alison J. Payne; Christofer Toumazou; Andrew E. J. Ng; John I. Sewell (ISCAS (1), 2001)

A unified matrix method for systematic synthesis of log-domain ladder filters. - Andrew E. J. Ng; John I. Sewell; Emmanuel M. Drakakis; Alison J. Payne; Chris Toumazou (ISCAS (1), 2001)

The general synthesis of complex analogue filters. - C. Cuypers; Voo Nyuk Yoong; Mykhaylo A. Teplechuk; John I. Sewell (ICECS, 2002)

Log-domain allpass group-delay equaliser design with XFILTER. - Andrew E. J. Ng; John I. Sewell (ICECS, 2002)

Direct noise analysis of log-domain filters. - Andrew E. J. Ng; John I. Sewell (ISCAS (3), 2002)

Log-domain complex filter design with XFILTER. - Mykhaylo A. Teplechuk; John I. Sewell (ISCAS (1), 2003)

A class AB 6th order log-domain filter in BiCMOS with 100-500 MHz tuning range. - Klaus Schmalz; Mykhaylo A. Teplechuk; John I. Sewell (ECCTD, 2005)

Wave log-domain filters. - Mykhaylo A. Teplechuk; John I. Sewell (ISCAS (3), 2005)

Complex wave filters and wave group-delay equalisers in log-domain. - Mykhaylo A. Teplechuk; John I. Sewell (ISCAS (3), 2005)

Realisation of asymmetrical complex filters in log-domain. - Mykhaylo A. Teplechuk; John I. Sewell (ISCAS, 2006)

The approximation of arbitrary complex filter responses. - Mykhaylo A. Teplechuk; John I. Sewell (ISCAS, 2006)

Wave realisation of filters and equalisers in log-domain. - Mykhaylo A. Teplechuk; John I. Sewell (IET Circuits Devices Syst., 2007)