Title :
OTA-based even-phase sinusoidal oscillators
Author :
Hou, C.-L. ; Hwang, J. ; Wu, J.S. ; Lin, H.C.
Author_Institution :
Dept. of Electron. Eng., Chung Yuan Christian Univ., Chung Li, Taiwan
Abstract :
Using a simple scheme, realisation of some novel even-phase sinusoidal oscillators (EPSOs) employing operational transconductance amplifiers (OTAs) as the active devices are proposed. These oscillators can provide 2n signals (n is a positive integer) equal in amplitude as well as equally spaced in phase. The practical four-phase oscillator using OTAs will be realised and studied in detail. The circuits enjoy low component count and low sensitivity performance and are highly suitable for monolithic implementation in IC technology
Keywords :
circuit tuning; operational amplifiers; variable-frequency oscillators; OTA-based oscillators; VFO; even-phase sinusoidal oscillators; four-phase oscillator; low sensitivity performance; multiphase oscillators; operational transconductance amplifiers; tuning; Analog circuits; Frequency; Inverters; Monolithic integrated circuits; Operational amplifiers; Oscillators; Performance gain; Space technology; Transconductance; Voltage;
Conference_Titel :
Microelectronics, 1995. Proceedings., 1995 20th International Conference on
Conference_Location :
Nis
Print_ISBN :
0-7803-2786-1
DOI :
10.1109/ICMEL.1995.500960
