Jacki
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I don't understand your questions very well. You need a clock generattor to control the switched-capacitor circuits, right? If so, you want your clock generator is glitch free, right? My question is how do you get your clock signals? You design your RC oscillator or XO to generate a clock or you just use a ideal clock signal directly? If you design your own oscillator, normally the glitch is not a big concern when the oscillator is running smoothly, you need to take care the PSRR.
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