EDN

Multi benefits from multi-PLL programmable clocks

There are several different solutions for meeting the clock requirements in set-top box, digital TV, home gateway and consumer applications. Crystals and CMOS crystal oscillators have traditionally ...
EDN

Dual PLL Spread Spectrum Clock Generator

The AD9577 provides a multioutput clock generator function along with two on-chip phase-locked loop cores, PLL1 and PLL2, optimized for network clocking applications. The PLL designs are based on ...
Embedded

Dealing with PLL clock jitter in advanced processor designs: Part 3

Before we discuss the guidelines that the developer must follow when measuring TIE jitter, it is useful to also look at jitter for a much more general case in which jitter is not assumed to be ...
Electronic Design

Optimal Jitter Attenuation Starts With The Proper PLL Bandwidth

Clock signals provide reference timing to every integrated circuit and electrical system. Consumer applications typically use simple quartz crystals for reference clock generation. Other applications, ...
Electronic Design

Unconventional PLL Uses BTSC Pilot To Generate Master Clock

Multichannel television sound (MTS), better known as Broadcast Television System Committee (BTSC) encoding, is used in many analog cable set-top boxes for TV. The BTSC pilot is at the same frequency ...
Design-Reuse

TSMC CLN7FF 7nm Clock Generator PLL - 800MHz-4000MHz

The Clock Generator PLL is designed to multiply an input clock by an integer between 1 and 4096. It does not provide any deskew functionality. It cont ...
Embedded

Using programmable spread spectrum clock generators for EMI Reduction

Electromagnetic interference (EMI) is energy that adversely affects theperformance of electrical/electronic equipment by creating undesirableresponses or complete operational failure. EMI is caused ...