An exact formula for the maximum VCO sweep rate of a PLL. - Paul T. Lanza II; John L. Stensby; Yuri B. Shtessel (J. Frankl. Inst., 2014)

Improved acquisition in a phase-locked loop using sliding mode control techniques. - Paul T. Lanza II; Yuri B. Shtessel; John L. Stensby (J. Frankl. Inst., 2015)