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High Frequency Compact VCXO Reduces Phase Jitter

Mon, 08/09/2010 - 5:25am
High Frequency Compact VCXO Reduces Phase JitterNDK (Nihon Dempa Kogyo Co., Ltd.) offers the NV7050SA High Frequency series, an SMD VCXO (voltage controlled crystal oscillator), which through proprietary high frequency fundamental mode crystals is able to obtain frequencies upwards of 700 MHz (available in a range of 170 to 700 MHz) without the use of PLL frequency multiplication methods. The end result is the reduction of phase jitter as low as 38.0 fs (femtoseconds) (100 fs max.), a reduction of more than 80% when compared to previously available products in this class. The NV7050SA was developed in response to the demands of high-speed wireless broadband networks and base stations for mobile communication. These products require high frequency clock signals between 600 to 700 MHz for the optical transmission and optical multiple-wavelength transmission used. The compact 7.0 L x 5.0 W x 1.6 mm H package consumes just 10% of the volume of comparable VCXOs on the market.

The NV7050SA is available in a frequency range of 170 to 700 MHz with a nominal frequency tolerance of ±50 ppm. The APR (absolute pull range) is ±100 ppm. It operates on 3.3 VDC over a temperature range of -40 to +85ºC. Output is available as LVPECL or LVDS. They are in lead-free packaging that meets the requirements for re-flow profiling using lead-free solder and are RoHS compliant.

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