Fig. 4.
Illustration of range selection mechanisms. (Top) Circuitry for scaling Iref. (Bottom) G1 and G2 signals drawn with respect to the sampling clock for modulating the duty cycle of Iref in method (2). Sampling occurs at the negative edges.
Illustration of range selection mechanisms. (Top) Circuitry for scaling Iref. (Bottom) G1 and G2 signals drawn with respect to the sampling clock for modulating the duty cycle of Iref in method (2). Sampling occurs at the negative edges.