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Oscillators offer improved phase noise and reduced jitter

Oscillators offer improved phase noise and reduced jitter

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By eeNews Europe



The improved phase noise and reduced jitter of the XpressO-Ultra Series enables the oscillators to be effectively used in a variety of modern high-speed data applications over an extended operating temperature range of-40°C to +85°C. Phase jitter (12 kHz to 20 MHz) is reduced to to 250 fs typical compared to 750 fs typical of the traditional XpressO.

These configurable oscillators offer a combination of competitive pricing and improved performance, with availability in days for production runs. As an extension to Fox’s XpressO oscillator technology, XpressO-Ultra incorporates the same noise-reducing ASICs—developed exclusively by Fox—that offer the ability to select output type and supply voltage.

The first configuration released in the XpressO-Ultra series is a 3.3V LVPECL version with stabilities of either ±50 ppm or ±100 ppm in a standard 5 x 3.2 mm package. These oscillators are suitable for data transmission applications with rigorous requirements such as 40 GbE and 100 GbE WAN/LANs, 16 Gb and 32 Gb fibre channel, 6 Gb/s and 12 Gb/s SAS/SATA storage and high speed OTNs. Different versions of this new oscillator family are planned for the future, including alternate output types as well as various package sizes and voltages.

 

https://foxonline.com/xpresso_main.htm

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