A low voltage, 10-2550MHz, 0.15/spl mu/ CMOS, process and divider modulus independent PLL using zero-VT MOSFETs

  • Anca Maxim
  • Published 2003 in
    ESSCIRC 2004 - 29th European Solid-State Circuits…


This paper presents a current-mode, feed-forward loop filter PLL architecture that uses a bandgap referencing technique to achieve a process independent damping factor. It requires no external loop filter settings and provides divider modulus independent loop time constants through the usage of linear-N dependent charge-pump currents. A low voltage… (More)


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