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 ...
EDN

Ultra-low-jitter VCXO targets PLL circuits

Hopkinton, Mass. — Valpey Fisher Corp. has released the VFVX321 ultra-low-jitter voltage-controlled crystal oscillator (VCXO) for PLL circuits in SONET/SDH, Ethernet, and Fibre Channel applications.
Design-Reuse

True Circuits Announces New and Improved Low-jitter Digital Ultra+ PLL that Offers Exceptional Performance, Features and Ease of Use

Los Altos, California, June 23, 2025 -- True Circuits, Inc. (TCI), a leading provider of analog and mixed-signal intellectual property (IP) for the semiconductor, systems and electronics industries ...
Electronic Design

Bob’s Mailbox: PLL Circuits, Hiking Experiences, And More Reader Reactions

It has been quite a long time since we communicated. I was reminded of this as I was cleaning out old e-mails. Mostly it has been my fault, as I have been quite intensely busy searching for a job and ...
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 ...
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 ...