Which clock type is acceptable to REFA/B, square wave, sine wave or both?
> Which clock type is acceptable to REFA/B, square wave, sine wave or both?
Either is fine. As with any PLL, the close-in phase noise is better with a square wave, but given that the AD9528 PLL1 loop BW is almost always very low (<100 Hz), you may not see a noise difference between a sine wave and square wave input.
Understood.Thanks for clear explanation.
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