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Amplifiers/Converters??

Shenyi crystal resonators age 3ppm/year

Posted: 08 Jul 2002 ?? ?Print Version ?Bookmark and Share

Keywords:Hc 49/us? crystal resonator? shenyi piezoelectricity technology?

The HC-49/US crystal resonators from Shenyi Piezoelectricity Technology Co. Ltd operate in fundamental or 3rd overtone frequency modes, and feature compact size and low profile. They offer high frequency stability, high reliability, wide operating temperature range, high precision, and slow aging rate.

The resonators function at 3.579MHz to 30MHz in fundamental mode and 24MHz to 75MHz 3rd overtone mode. Frequency difference adjustment is within 110, 115, 120, 130 and 150ppm. Aging is rated at 3ppm/year.

The devices are specified with a static capacitance value of 7pF and a load capacitance of 8pF (min.). Drive level ranges from 105W to 1mW. At 100Vdc, insulation resistance is at 500 gigaohms. Tolerance is specified at 15ppm from 00C to 500C, 110ppm from -100C to 600C, and 115ppm from -300C to 800C.





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