Compared with higher order circuit, first order circuit is simple and stable.Besides, compared with PLL, the property of low jitter performance of DLL is also one reason why it is more popular.

• 相较于高阶的电路来说，一阶电路具有稳定、容易设计的优点，此外跟锁相迴路比起来，延迟锁定迴路的低时脉抖动也是让它受欢迎的原因之一。