Two kinds of cause of losing lock in PLL speed regulation system are analysed. Corresponding formulas are obtained. The ways of overcoming losing lock are put for ward.

If, for example, taking time to unwind before facing an hour of grid-lock traffic after work will help get you through the evening without losing your mind, then go for it.

Losing your keys is bad enough, but having to replace the entire lock because you don't have a key to copy makes things even worse - not to mention expensive.