mablecountersectionbytheN-dataratiofromtheCPU.TheHM-75AorHS-51througharesistor(R132). dividedsignalisdetectedonphaseatthephasedetector usingthereferencefrequency. Iftheoscillatedsignaldrifts,itsphasechangesfromtheref- erencefrequency,causingalockvoltagechangetocompen- sateforthedriftintheoscillatedfrequency. ...