A method and apparatus for reducing jitter in a delay line and trim unit is described. The trim unit includes a plurality of delay elements in parallel. At least one of the plurality of delay elements is controllable between on and off states. At least one of the plurality of delay elements includes...http://www.google.com/patents/US6788124?utm_source=gb-gplus-sharePatent US6788124 - Method and apparatus for reducing jitter in a delay line and a trim unit
