A PLL is one of the most ubiquitous components in modern ICs and often used for clock generation and frequency synthesis. Figure 1 shows a classical PLL architecture. It consists of …

2024年1月30日 · 文献 [2]中提出的 子采样 PLL (SSPLL) 使用的是对高频 VCO 输出与参考时钟进行子采样的 PD。 该结构表明，高相位检测增益可大大减弱 PD 和 CP 噪声，并可去除 N^2 噪 …

Phase-locked loop (PLL) circuits exist in a wide variety of high frequency applications, from simple clock clean-up circuits, to local oscillators (LOs) for high performance radio communication …

2018年11月24日 · This is a collection of PLL modeling examples, both continuous and discrete time. It includes integer as well as fractional N, dual modulus, SERDES clock recovery, as well …

Phase-locked loops (PLLs) are one of the basic building blocks in modern electronic systems. They have been widely used in com-munications, multimedia and many other applications. …

By knowing what a result should theoretically be, it makes it easier to spot and diagnose problems with a PLL circuit. This book takes a unique approach to PLL design by combining rigorous …

Issue1: How to control the VCO frequency accurately? Issue2: How to control the phase step accurately? Here We Will Look at Phase .... How to implement a simple Σ-Δ modulator? up/dn …

A PLL is a negative feedback system where an oscillator-generated signal is phase and frequency locked to a reference signal. How are PLL’s Used? is the focus of this tutorial. Power Supply …

A sub-sampling PLL uses a PD that sub-samples the high frequency VCO output with the reference clock. The PD and CP noise in this PLL is shown to be not multiplied by N 2, and …

“A Fractional-N Sub-Sampling PLL using a Pipelined Phase-Interpolator with a FoM of -246dB”, IEEE European Solid State Circuits Conference (ESSCIRC), pp.380-383, Sept. 2015.