一种新型锁相环输出寄生边带的理论分析

A THEORETICAL ANALYSIS OF THE SPURIOUS SIDEBANDS AT THE OUTPUT OF A NEW PLL

在简要介绍一种新型数字频率合成锁相环的基础上,详细分析了此环路对其鉴相器输出端具有特殊性质的寄生信号的抑制。结果表明,此环路的输出寄生边带抑制比是令人满意的。

Based on the introduction to a new type of PLL for digital frequency synthesis, this paper describes on detail the suppression of the specific spurious signals occurring at the output of the phase detector of the PLL. The result shows that the output sideband-to-carrier ratio is satisfactory.