EDN

SOC-PLL design requires trade-offs

PLLs (phase-locked loops) are common analogcircuits in SOCs (systems on chips). Almost allSOCs with a clock rate greater than 30 MHzuse a PLL for frequency synthesis. However, a“one-size-fits-all” PLL ...
Design-Reuse

Silicon-Accurate Fractional-N PLL Design

Fractional-N PLLs are a useful class of PLLs and not well understood. This paper explains in simple terms how these differ from a regular integer PLL. Common applications are listed along with a brief ...
Electronic Design

Smaller PLL Synthesizers Become Design-Friendlier

Phase-locked-loop (PLL) frequency synthesizers are signal sources often employed in many types of electronic equipment. They show up as clock sources in high-frequency instruments and as local ...
EDN

Tracking PLL design through the decades, part 1

PLLs (phase-locked loops) are among the most commontypes of analog/mixed-signal circuits on today’sSOC (system-on-chip) ICs. PLLs are essential companionsto the digital-logic circuits and processorson ...
Electronics Weekly

Analogue or digital in PLL design

The performance of analogue phase-locked loops (PLLs) has steadily improved with operating frequencies extending to 8GHz and beyond. Recently, digital PLLs based on direct digital synthesis (DDS) have ...
Design-Reuse

True Circuits Introduces the Low-jitter Digital Ultra+ PLL at the Design Automation Conference

True Circuits, Inc. (TCI), a leading provider of analog and mixed-signal intellectual property (IP) for the semiconductor, systems and electronics industries. At the 62 nd Design Automation Conference ...
Yahoo Finance

Cypress's New Family of High-Performance 4-PLL Clock Generators Simplify Design of Next-Generation Consumer and Networking Products

SAN JOSE, CA--(Marketwired - Feb 25, 2015) - Cypress Semiconductor Corp. (NASDAQ: CY) today introduced a high-performance programmable clock generator family that simplifies the design of consumer and ...
The Engineer

Revolution and Evolution in Frequency Synthesis: How PLL/VCO Technology Has Increased Performance, Decreased Size, and Simplified Design Cycle

Microwave frequency generation has posed significant challenges to engineers over the years, requiring in-depth knowledge of analog, digital, and radio frequency (RF) and microwave ...
Electronic Design

How to Design Very Wide Loop BW High-Performance PLL Frequency Synthesizers (Part 2)

This is Part 2 of a three-part series. As discussed in Part 1 and recapped here, modern wireless communications systems (mainly superheterodyne radio transceivers) are now required to deliver higher ...
Electronics Weekly

ADI increases options for PLL design

Analog Devices has announced ADIsimPLL Version 3.0, a new generation of its phase-locked loop (PLL) circuit design and evaluation tool, as well as two new PLL synthesisers for the upconversion and ...