A Clock Duty-Cycle Correction and Adjustment Circuit

A clock duty-cycle correction circuit that accepts input duty cycles ranging from 30% to 70% and maintains a user-selectable output duty cycle over a frequency range of 500MHz to 6GHz is demonstrated. The output duty cycle is selectable from 41.25% to 58.75% in 1.25% increments. The circuitry is integrated into a clock-distribution chip which provides 10 identical outputs