Continuous-time current-mode filters using normal biquad structure

A continuous-time current-mode filter configuration using lossy integrators is presented. Using this structure, a test circuit containing luminance-chrominance filters, V-I/I-V converters and bias circuits was realized. The integrated filters achieve less than /spl plusmn/0.5 dB in-band ripple without quality factor tuning and a yield of 90%.