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Aerospace

Multi-mode Crystal Oscillators Combine Wide Frequency

12 December 2016

NDK’s NP5032S and NP7050S oscillators combine small size with low jitter performance. The two oscillators have similar performance and capabilities, but offer different package size options for more flexibility. The wide frequency range of 15 MHz to 2.1 GHz and low jitter make them suitable for high-speed serial communications applications, such as SONET, SDH, Synchronous Ethernet and other networking devices.

Housed in an eight-pin ceramic SMD package, the NP5032S measures only 5 mm × 3.2 mm, with a profile height of 1.2 mm. The NP7050S has a footprint of 7 mm × 50 mm with a height of 1.6 mm.

The proprietary IC design allows users to choose from up to four different frequency outputs from a single device, reducing SKUs while increasing design flexibility. There are five output types to choose from: CMOS (< 200 MHz), LVPECL, LVDS, CML and HCSL (< 700 MHz). Jitter is typically 130 fs RMS (@ 622.08 MHz), and the total stability may be specified as tightly as ±20 ppm total for life, allowing the oscillator to meet the requirements of the communications standards. The user may also specify the supply voltage from 3.3 V to as low as 1.8 V. The operating temperature range is -40° C to +85° C, for operation in all industrial applications.

Because of their small size, wide frequency range, low jitter and flexible input/outputs, the NDK oscillators are capable of performing in a diverse range of applications. Prices start at $9.90 for the NP5032S and for the NP7050S in production quantities. Delivery is two to three weeks for samples; eight to 10 weeks for OEM quantities.



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