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  _____      ___      _____     _____    _    _   
 / ____||   / _ \\   / ____||  |  ___|| | || | || 
/ //---`'  / //\ \\ / //---`'  | ||__   | || | || 
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 \_____|| |_||  |_|| \_____||  |_____||  \____//  
  `----`  `-`   `-`   `----`   `-----`    `---`

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Text this: A 2.6–3.4 ghz fractional-N sub-sampling phase-locked loop using a calibration-free phase-switching-sub-sampling technique