Journal Papers

A time-interleaved continuous-time delta-sigma modulator with 20MHz signal bandwidth
T. Caldwell and D.A. Johns,
IEEE Journal of Solid-State Circuits,
vol. 41, pp. 1578-1588, July 2006. pdf

On the implementation of input feedforward delta-sigma modulators
A. Gharbiya and D.A. Johns,
IEEE Trans. on Circuits and Systems-II: Express Briefs,
vol. 53, pp. 453-457, June 2006. pdf

Coding schemes for chip-to-chip interconnect applications
K. Farzan and D.A. Johns,
IEEE Trans on Very Large Scale Integration (VLSI) Systems,
vol. 14, pp. 393-406, April 2006. pdf

A 50-MS/s (35mW) to 1-kS/s (15uW) power scaleable 10-bit piplined ADC using rapid power-on opamps and minimal bias current variation
I. Ahmed and D.A. Johns,
IEEE Journal of Solid-State Circuits,
vol. 40, pp. 2446-2455, Dec. 2005. pdf

High-speed oversampling analog-to-digital converters
A. Gharbiya, T.C. Caldwell and D.A. Johns,
International Jounal of High Speed Electronics and Systems,
Vol 15, No. 2, pp. 297-317, June 2005. pdf

A CMOS 10-Gb/s power-efficient 4-PAM transmitter
K. Farzan and D.A. Johns,
IEEE Journal of Solid-State Circuits,
vol. 39, pp. 529-532, March 2004. pdf

Digital LMS adaptation of analog filters without gradient information
A. Chan Carusone and D.A. Johns,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing
vol. 50, pp. 539-552, Sept. 2003. pdf

High-speed CMOS analog Viterbi detector for 4-PAM partial response signalling
B. Zand and D.A. Johns,
IEEE Journal of Solid-State Circuits,
vol. 37, pp. 895-903, July 2002. pdf

Variable-structure compensation of delta-sigma modulators: Stability and performance
T. Zourntos and D.A. Johns,
IEEE Trans. on Circuits and Systems - I: Fundamental Theory and Application
vol. 49, pp. 41-53, January 2002. pdf

Differential signaling with a reduced number of signal paths
A. Carusone, K. Farzan and D.A. Johns,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 48, pp. 294-300, March 2001. pdf

Analogue adaptive filters: Past and present
A. Carusone and D.A. Johns,
Circuits, Devices and Systems, IEE Proceedings-
vol. 147, pp. 82-90, Feb 2000. pdf

A differential 160-MHz self-terminating adaptive CMOS line driver
R. Mahadevan and D.A. Johns,
IEEE Journal of Solid-State Circuits,
vol. 35, pp. 1889-1894, December 2000. pdf

A CMOS optical preamplifier for wireless infrared communications,
K. Phang and D.A. Johns,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 46, pp. 852-859, July 1999. pdf

BiCMOS circuits for analog Viterbi decoders,
M.H. Shakiba, D.A. Johns and K.W. Martin,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 45, pp. 1527-1537, Dec. 1998. pdf

An integrated 200MHz 3.3V BiCMOS class-IV partial-response analog Viterbi decoder,
M.H. Shakiba, D.A. Johns and K.W. Martin,
IEEE Journal of Solid-State Circuits,
vol. 33, pp. 61-75, Jan. 1998. pdf

Integrated circuits for data transmission over twisted-pair channels,
D.A. Johns and D. Essig,
IEEE Journal of Solid-State Circuits,
vol. 32, pp. 398-406, March 1997. pdf

2V fully-differential SC integrator in standard CMOS
S. Crapanzano and D.A. Johns,
Electronic Letters
vol. 31, No. 23, pp. 1995-1996, Nov. 1995. pdf

Time-interleaved oversampling A/D converters: Theory and practice
R. Khoini-Poorfard, L.B. Lim and D.A. Johns,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 44, pp. 634-645, Aug. 1997. pdf

A 100Mb/s BiCMOS adaptive pulse-shaping filter,
A. Shoval, W.M. Snelgrove and D.A. Johns,
IEEE Journal on Selected Areas in Communications: Special issue on Copper Wire Access Technologies for High Performance Networks,
vol. 13, pp. 1692-1702, Dec. 1995. pdf

Analysis of modulators with zero mean stochastic inputs,
R. Khoini-Poorfard and D.A. Johns,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 42, pp. 164-175, March 1995. pdf

Comparison of DC offset effects in four LMS adaptive algorithms,
A. Shoval, D.A. Johns and W.M. Snelgrove,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 42, pp. 176-185, March 1995. pdf

General approach for implementing analogue Viterbi decoders,
M.H. Shakiba, D.A. Johns and K.W. Martin,
Electronic Letters,
vol. 30, pp. 1823-1824, Oct. 1994. pdf

A high-quality analog oscillator using oversampling D/A conversion techniques,
A.K. Lu, G.W. Roberts and D.A. Johns,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 41, pp. 437-444, July 1994. pdf

Time-interleaved oversampling converters,
R. Khoini-Poorfard and D.A. Johns,
Electronic Letters,
vol. 29, pp. 1673-1674, Sept. 1993. pdf

Design and analysis of delta-sigma based IIR filters,
D.A. Johns and D.M. Lewis,
IEEE Trans. on Circuits and Systems - II: Analog and Digital Signal Processing,
vol. 40, pp. 233-240, April 1993. pdf

Tuning of continuous-time filters in the presence of parasitic poles,
K. A. Kozma, D. A. Johns and A.S. Sedra,
IEEE Trans. on Circuits and Systems - I: Fundamental Theory and Applications,
vol. 40, pp. 13-20, Jan. 1993. pdf

Automatic tuning of continuous-time integrated filters using an adaptive filter technique,
K.A. Kozma, D.A. Johns, A.S. Sedra,
IEEE Trans. on Circuits and Systems,
vol. 38, pp. 1241-1248, Nov. 1991. pdf

IIR filtering on sigma-delta modulated signals,
D.A. Johns and D.M. Lewis,
Electronic Letters,
vol. 27, pp. 307-308, Feb. 1991. pdf

Continuous-time LMS adaptive recursive filters,
D.A. Johns, W.M. Snelgrove and A.S. Sedra,
IEEE Trans. on Circuits and Systems.
vol. 38, pp. 769-778, July 1991. pdf

Programmable multiplexed switched-capacitor filters,
X.F. Wania, D.A. Johns and A.S. Sedra,
Electronic Letters,
vol. 26, pp. 1051-1053, July, 1990. pdf

Adaptive recursive state-space filters using a gradient based algorithm,
D.A. Johns, W.M. Snelgrove and A.S. Sedra,
IEEE Trans. on Circuits and Systems,
vol. 37, pp. 673-684, June 1990. pdf

Orthonormal ladder filters,
D.A. Johns, W.M. Snelgrove and A.S. Sedra,
IEEE Trans. on Circuits and Systems,
vol. CAS-36, pp. 337-343, March 1989. pdf

State-space simulation of LC ladder filters,
D.A. Johns and A.S. Sedra,
IEEE Trans. on Circuits and Systems,
vol. CAS-34, pp. 986-988, August 1987. pdf

PhD Thesis

Analog and digital state-space adaptive IIR filters
D.A. Johns
PhD Thesis,
University of Toronto, 1989. pdf