EDN

On Semi unveils PureEdge PLL clock generators

Phoenix, Ariz. — ON Semiconductor has unveiled its PureEdge family of phase lock loop (PLL) based clock generation devices that is said to deliver 50 percent better phase jitter than competitive ...
EDN

pMEMS PLL Clock Generators

Integrated Device Technology, Inc., the Analog and Digital Company™ delivering essential mixed-signal semiconductor solutions, announced the world’s first low-power, multi-output PLL clock generators ...
EDN

PLL clock IC offers 10-ps rms jitter

The NB4N507A PLL clock IC generates a clock signal ranging from 50 to 200 MHz via an inexpensive reference crystal. The device offers an rms period jitter of less than 10 ps and an accuracy of 100 ppm ...
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

Creating a Frequency Plan for a System using a PLL

How do you ensure that every part of a system receives the clock it needs—without wasting power or sacrificing performance? The answer lies in creating a well-structured frequency plan built around a ...
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

Measure Spread-Spectrum Clock’s Effects On Switching Supply EMI

Fig 1. In a typical PWM controller in which the active devices are driven by a simple square wave, a Fourier representation of the clock’s frequency spectrum consists of the fundamental switching ...