Title :
Low voltage integrators for high-frequency CMOS filters using current mode techniques
Author :
Smith, Sterling L. ; Sanchez-Sinencio, Edgar
Author_Institution :
Mixed Signal Design Dept., Texas Instrum. Inc., Dallas, TX, USA
fDate :
1/1/1996 12:00:00 AM
Abstract :
Low voltage CMOS fully differential integrators for high frequency continuous-time filters using current-mode techniques are presented. Current mode techniques are employed to avoid the use of the floating differential pair, in order to achieve operation at lower supply voltage levels. These high frequency integrators feature good supply noise rejection and power efficiency. Simulated and experimental results are presented verifying theoretical results. An example 10 MHz, 6 pole filter fabricated in 2 μm CMOS consumes only 0.7 mW/pole and requires only a single 3.3 V supply voltage
Keywords :
CMOS analogue integrated circuits; analogue processing circuits; continuous time filters; integrating circuits; radiofrequency filters; 10 MHz; 2 micron; 3.3 V; CMOS fully differential integrators; HF filters; LV operation; active filters; continuous-time filters; current mode techniques; high-frequency CMOS filters; low voltage integrators; supply noise rejection; Active filters; CMOS process; CMOS technology; Circuits; Dynamic range; Frequency; Linearization techniques; Low voltage; Poles and zeros; Signal design;
Journal_Title :
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
