EDN

Clock jitter and the crystal oscillator

http://www.cardinalxtal.comThe term “frequency jitter” has become popular in the last few years to define the short-term stability of a frequency source. A ...
Electronic Design

Programmable Clock Generator Solves System-Timing Woes

Flexible clock chip tackles design and timing issues by integrating 2 kbits of in-system-programmable EEPROM and 16 kbits of extra EEPROM storage. Timing within all digital and most mixed ...
EDN

Low Jitter Clock Oscillator

Texas Instruments (TI) rolled out a family of fully programmable, pin-selectable and fixed-frequency 7-mm-by-5-mm differential oscillators that provides the industry’s lowest jitter of 90 femtoseconds ...
Electronic Design

Timing Decisions 101: Oscillator or Clock?

The basic considerations when choosing a timing solution for today’s technologies. The difference between a crystal oscillator and an integrated clock device. Use cases and performance factors for ...
Embedded

System Time

The concept of time in the context of a real time operating system was introduced in an earlier article, along with an idea of the facilities associated with time that likely to be available with an ...
EurekAlert!

Research team traces evolutionary history of bacterial circadian clock on ancient Earth

To better understand the circadian clock in modern-day cyanobacteria, a Japanese research team has studied ancient timekeeping systems. They examined the oscillation of the clock proteins KaiA, KaiB, ...