Title :
A 0.8V accurately-tuned continuous-time filter
Author :
Vemulapalli, Gowtham ; Hanumolu, Pavan Kumar ; Moon, Un-Ku
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., Oregon State Univ., Corvallis, OR, USA
Abstract :
An accurately tunable, low-voltage, linear continuous-time filter is presented in this paper. The system, designed using 0.18 μm CMOS process, occupies 0.4 mm2 of area. The filter part of the circuit dissipates 2.6 mW and the tuning part of the circuit dissipates 2 mW of power. The filter achieves good tuning accuracy. The THD of the filter for a 10-kHz, 250-mVpp signal at 0.8-V supply voltage is 0.01%.
Keywords :
Butterworth filters; CMOS analogue integrated circuits; circuit tuning; continuous time filters; harmonic distortion; low-pass filters; low-power electronics; 0.18 micron; 0.8 V; 10 kHz; 115 kHz; 2 mW; 2.6 mW; 250 mV; Butterworth filter; CMOS; accurately-tuned continuous-time filter; corner frequency variation; low pass filter; low-voltage linear filter; total harmonic distortion; tuning accuracy; Capacitors; Circuit optimization; Filters; Frequency; Linearity; MOSFET circuits; Master-slave; Tunable circuits and devices; Tuning; Voltage;
Conference_Titel :
Custom Integrated Circuits Conference, 2004. Proceedings of the IEEE 2004
Print_ISBN :
0-7803-8495-4
DOI :
10.1109/CICC.2004.1358731
