Fox Electronics offers LVDS version of XpressO-ULTRA oscillator

Fox Electronics, an IDT company, says it now offers an LVDS version of its XpressO-ULTRA oscillator technology. First introduced as an LVPECL device, the LVDS oscillator provides exceptionally clean and stable clocking for high-bandwidth applications that require ultra-precision timing, Fox says.

The new oscillators, which come in 2.5 V or 3.3 V with jitter as low as 100 fs over the 1.875-20 MHz bandwidth and 250 fs over the 12-kHz to 20-MHz bandwidth, are designed to be used in designs that employ high data rates, such as 40 Gigabit to 100 Gigabit Ethernet, 16G-32G Fibre Channel, 100-Gbps to 400-Gbps Optical Transport Network (OTN), and others.

The oscillators are designed to operate in temperatures from -20~+70C to -40°C ~ +85°C with stabilities as tight as ±20 ppm. The devices come in an industry standard 5x3.2-mm package and pin-out. A tri-state enable/disable feature enables testing and performance verification. The RoHS-compliant units offer a gold over nickel termination finish.

The LVDS XpressO-ULTRA oscillators leverage the company’s proprietary XpressO technology which enables an ASIC with a fourth order Delta Sigma Modulator (DSM) that significantly reduces noise to levels comparable with traditional bulk quartz and SAW oscillators, Fox asserts. The ASIC family enables the configuration of output type, input voltages, and frequency within the oscillator.

Pricing is dependent on frequency, stability, operating temperature, and quantity. The devices are delivered in less than two weeks, Fox says.

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