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Current-regulated, voltage-controlled oscillator with duty cycle correction
Current-regulated, voltage-controlled oscillator with duty cycle correction
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机译:具有占空比校正功能的电流调节压控振荡器
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摘要
A voltage controlled current source provides controlled current to a current controlled oscillator in a high frequency phase- locked loop clock generator. The voltage controlled current source receives a first control signal and a set of second control signals indicative of a phase difference between the output signal of the clock signal generator and a reference frequency. It uses those control signals to adjust the current- controlled oscillator. A level shifter coupled to the current-controlled oscillator amplifies the oscillator signals to full rail and adjusts the duty cycle at its output to 50% to produce the clock signal generator output signal.
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