S. Porta

Current-mode analogue integrated circuit for sliding-mode control of switching power converters

Luis Martinez-Salamero, Eduard Alarcon, Alberto Poveda, 2002 .

Wein-bridge oscillators with opamp independent oscillation frequency

A. Carlosena, Pedro A. Martinez, S. Porta, 1991 .

An improved Wien bridge oscillator

A. Carlosena, Pedro A. Martinez, S. Porta, 1990 .

Latch-up property and dynamic stability in sinusoidal oscillators

A. Carlosena, Santiago Celma, Pedro J. Martínez, 1990 .