@conference {2881,
	title = {A balun transimpedance amplifier with adjustable gain for integrated SPO2 optic sensors},
	booktitle = {Mixed Design of Integrated Circuits and Systems (MIXDES{\textquoteright}12)},
	year = {2012},
	month = {June 2012},
	publisher = {IEEE},
	organization = {IEEE},
	address = {Warsaw, Poland},
	author = {J. Carvalho, L. Oliveira, J. Goes}
}
