A pll operates with input and output frequencies

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Reference no: EM131299152

A PLL operates with input and output frequencies equal to f₁. Suppose the input frequency and hence the output frequency are changed to f₁/2. Assuming all loop parameters remain unchanged and neglecting the continuous-time approximation issues, explain which one of these arguments is correct and why the other one is not:

(a) The PFD now makes half as many phase comparisons per second, pumping half as much charge into the loop filter. Thus, the loop is less stable.

(b).

Reference no: EM131299152

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