Research

Microelectronics; mixed-signal circuits and optoelectronics; laser modeling and predistortion; calibration methods for analog circuits.

Application

Integrated laser predistorter; low-power ADCs; distributed linearized CMOS amplifiers; radio-over-fibre.

Activities

• IEEE reviewer
• Springer Journal reviewer

Conference Publications

Sinisa Milicevic, and Leonard MacEachern, “A Phase-Frequency Detector and a Charge Pump Design for PLL Applications,” 2008 IEEE International Symposium on Circuits and Systems, May 2008.

Till Kuendiger, Leonard MacEachern, and Samy Mahmoud, “A Novel Digitally Controlled Low Noise Ring Oscillator,” 2008 IEEE International Symposium on Circuits and Systems, May 2008.

Greg Brzezina, Langis Roy, and Leonard MacEachern, “A Miniature LTCC Bandpass Filter Using Novel Resonators for GPS Applications,” 2007 IEEE International European Microwave Conference, Oct 2007.

Ghyslain Gagnon, and Leonard MacEachern, “System-Level Design Aspects of a DAC Calibration Technique for Bandpass Delta-Sigma Modulators,” 51st IEEE Midwest Symposium on Circuits and Systems, Aug 2007.

Karim Abdelhalim, Leonard MacEachern, and Samy Mahmoud, “A Nanowatt Successive Approximation ADC with a Calibrated Capacitor Array for Biomedical Applications,” 51st IEEE Midwest Symposium on Circuits and Systems, Aug 2007.

Sinisa Milicevic, and Leonard MacEachern, “Frequency of Oscillation of a Cross-Coupled CMOS VCO with Resistor Tail Biasing,” 51st IEEE Midwest Symposium on Circuits and Systems, Aug 2007.

Sinisa Milicevic, and Leonard MacEachern, “Frequency of Oscillation for a Multi-Band Voltage Controlled Ring Oscillator,” 51st IEEE Midwest Symposium on Circuits and Systems, Aug 2007.

Sinisa Milicevic, and Leonard MacEachern, “Frequency Dividers Implementing Custom Cells with Resistor Tail Bias,” International Symposium on Signals, Systems, and Electronics (ISSSE 2007), Aug 2007.

Karim Abdelhalim, Leonard MacEachern, and Samy Mahmoud, “A Nanowatt Successive Approximation ADC with Offset Correction for Implantable Sensor Applications,” IEEE International Symposium on Circuits and Systems (ISCAS), May 2007.

Ghyslain Gagnon, and Leonard MacEachern, “Continuous Compensation of Binary-Weighted DAC Nonlinearities in Bandpass Delta-Sigma Modulators,” IEEE International Symposium on Circuits and Systems (ISCAS), May 2007.