EDN

Evaluate reference clocks for serial-data jitter specifications

Almost all high-speed SERDES designs require reference clocks that you must properly select to ensure that your links meet jitter requirements of high-speed serial-data communication standards.
New Electronics

Enhanced primary reference clock standards for precision time raises the performance bar for atomic standards

Microsemi has completed certification of its portfolio of Cesium clocks to be compliant with the new G.811.1 recommendation. This standard is known as ‘enhanced Primary Reference Clocks’ (ePRC) and is ...
New Electronics

Using WiLink 8 as a reference clock for the network time protocol

One of the challenges facing those developing networks featuring wirelessly connected devices is maintaining a common clock time. A popular way of doing this is by using Network Time Protocol (NTP), a ...
EDN

VCXO makes inexpensive dual-clock reference

This Design Idea describes an inexpensive circuit to generate two extremely high-quality, crystal-clock-reference-signals, one of which is a PWM-controlled VCXO (voltage-controlled crystal oscillator) ...
Electronic Design

Clocking Data Converters

What is the most critical performance characteristic for clock chips used with high-performance data converters? The clock signal’s phase noise (or jitter—the time-domain representation of phase noise ...
GPS World

New miniature atomic clock aids positioning in difficult environments

No audio available for this content. A new miniature atomic clock offers improvements to temperature sensitivity and long-term drift, which correlate to longer holdover durations. Features important ...
Hackaday

Turning A Quartz Clock Module Into A Time Reference

If you’re looking for a 1-second time reference, you’d probably just grab a GPS module off the shelf and use the 1PPS output. As demonstrated by [InazumaDenki], though, an old quartz clock module can ...