EDN

Specify an external reference clock to improve SERDES performance

The technical merits and economic benefits of high-speed serial data transmission on a circuit board or between neighboring circuit boards have led to the development of many high-speed serial ...
EDN

Synchronizing NxN MIMO Basestations to an External Timing Reference

System architects spend considerable effort and time designing high-performance clock and sinusoidal oscillator circuits for telecommunications basestations. A single-chip transceiver incorporates ...
Electronics Weekly

Agilent uses reference clock multiplier for simpler PCIe test

Agilent Technologies has introduced its first reference clock multiplier. The N4880A reference clock multiplier is used to lock the pattern generator clock of the J-BERT N4903B and the ParBERT 81250A ...
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 ...
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 ...
Electronic Design

Smooth Clock Switching for a Redundant Clock Source

Clock redundancy is required for many of today’s data-communication, networking, and computer systems. Any interruption due to component or board-level failure, or even simply regular system ...
Electronics Weekly

Mini low-noise atomic clock now 13mm tall and

Microchip has combined a chip-scale caesium atomic clock for good accuracy with a ovened crystal oscillator for good phase noise, in a through-hole package measuring 0.4 x 50.4 x 12.7mm (2 x 2 x ...