Determine the output frequencies of the two plls

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Reference no: EM131299138

Two PLL configurations are shown in Figure. Assume the SSB mixer adds its input frequencies. Also, assume f₁ is a constant frequency provided externally and it is less than f_REF. The control voltage experiences a small sinusoidal ripple with a frequency of f_REF. Both PLLs are locked.

(a) Determine the output frequencies of the two PLLs.

(b) Determine the spectrum at point A due to the ripple.

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Reference no: EM131299138

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