Phase-lockedloopuseexternalinputreferencesignalcontrolloopinternaloscillationsignalfeedbackcontrolcircuit.Digitalphaselockedloopfrequencygeneratorduetothefrequencyrangeandfrequencyintervalcanbeadjustedaccordingtothespecificneeds,andtheoutputsignalfrequencywithhighstabilityandaccuracy,an