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Charge pump and active loop filter with shared unity gain buffer
Charge pump and active loop filter with shared unity gain buffer
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机译:电荷泵和带共享单位增益缓冲器的有源环路滤波器
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摘要
A unity gain buffer is shared by a charge pump and an active loop filter in a phase-locked loop. The charge pump uses the unity gain buffer to reduce current mismatch in the charge pump and the active loop filter uses the unity gain buffer in a circuit that increases the effective capacitance of the active loop filter.
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