Title :
MOSFET-C sinusoidal oscillator with variable frequency and amplitude
Author :
Osa, Juan I. ; Carlosena, Alfonso
Author_Institution :
Dept. Ingenieria Electrica y Electronica, Univ. Publica de Navarra, Pamplona, Spain
Abstract :
This paper describes a novel variable frequency MOSFET-C oscillator that features a precise amplitude control, exhibiting at the same time a very low distortion. It can be useful as a stand alone VCO, and also as master oscillator in frequency tuning loops for an slave filter using the same topology. The oscillator has been integrated and tested on a 0.5 μm CMOS technology, giving satisfactory results. Experimental results are given
Keywords :
CMOS analogue integrated circuits; circuit tuning; gain control; variable-frequency oscillators; voltage-controlled oscillators; 0.5 micron; CMOS technology; MOSFET-C sinusoidal oscillator; active RC filter prototype; frequency tuning loops; low distortion; master oscillator; precise amplitude control; slave filter; stand alone VCO; variable amplitude; variable frequency; Circuit optimization; Filters; Frequency; MOS capacitors; MOSFET circuits; Master-slave; Prototypes; Topology; Tuning; Voltage-controlled oscillators;
Conference_Titel :
Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on
Conference_Location :
Geneva
Print_ISBN :
0-7803-5482-6
DOI :
10.1109/ISCAS.2000.856431
