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MEMS-based programmable oscillators features 600-fs of phase jitter

May 25, 2011 // Paul Buckley

MEMS-based programmable oscillators features 600-fs of phase jitter

MSC is now offering the new Encore-based SiT820X family of MEMS-based programmable oscillators from SiTime. The SiT820X family features a 600 fs of phase jitter in the critical range of 12 kHz to 20 MHz for SONET-applications and a continuous frequency stability of ±10 ppm from -40 to +85°C.

As with all MEMS-based oscillators from SiTime, the new SiT8208 and SiT8209 programmable oscillators, which operate from 1 MHz to 80 MHz and 80 MHz to 220 MHz respectively with supply voltages of 1.8 V and 2.5 to 3.3 V, also deliver six decimal places of accuracy. The programmable drive strength of the device allows a very simple impedance matching and an effective EMI reduction. High-drive options that can be used to drive multiple loads without additional buffers result in a further reduction of the circuit complexity and thus a cost-reduction.

The SiT820X family comes with an array of programmable features, such as frequency, stability and supply voltage, and is suitable for use in telecom, networking, storage and wireless applications. According to customer request, devices of the SiT820X family, with more than 200 derivatives, can be configured as drop in replacements for existing quartz and SAW oscillators and are available in industry standard 3225, 5032 and 7050 packages.

Customized samples of the MEMS-based programmable oscillators, available for both the commercial temperature range of -20 to +70°C and the industrial temperature range of -40 to +85°C, can be shipped in three to five working days and production quantities in three to five weeks after receipt of the order.

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