Title :
CDTA-based quadrature oscillator design
Author :
Uygur, Atilla ; Kuntman, Hakan
Author_Institution :
Dept. of Electron. & Commun. Eng., Istanbul Tech. Univ., Istanbul, Turkey
Abstract :
In this paper, a quadrature oscillator topology is designed using CDTA (Current Differencing Transconductance Amplifier) based allpass building blocks. Low-voltage CMOS realization of the CDTA element is also given, which is used to implement allpass filters. Resulting circuit is capable of working in supply rails between ±0,75V and total power consumption is just 0,75 mW. SPICE simulation results are supplied to verify the theoretical study.
Keywords :
CMOS integrated circuits; all-pass filters; operational amplifiers; oscillators; power consumption; CDTA element; SPICE simulation; all-pass filter building blocks; current differencing transconductance amplifier; low-voltage CMOS realization; operational amplifiers; power 0.75 mW; power consumption; quadrature oscillator topology design; CMOS integrated circuits; Oscillators; SPICE; Signal processing; Simulation; Topology; Transconductance;
Conference_Titel :
Signal Processing Conference, 2006 14th European
Conference_Location :
Florence
