Hybrid crystal resonator

Electronics Technology

4 August 2010 Electronics Technology

Murata announced a new series of devices in its hybrid crystal resonator family, featuring improved accuracy of less than ±100 ppm. Murata’s hybrid crystal resonator family features a quartz crystal element manufactured by Tokyo Denpa alongside Murata’s ceramic resonator technology in the same package, using Murata’s production technology to create a device which it claims is smaller and lower cost than a quartz crystal whilst maintaining the precision of quartz.

The XRCGB-M series features high accuracy of less than ±100 ppm, complementing the already available XRCGA-L series, which has standard accuracy of ±150 ppm. At low frequency (24 to 30 MHz), initial tolerance of the XRCGB-M series is ±30 ppm, with temperature characteristic of ±40 ppm over the range -30°C to +85°C. Temperature characteristic is identical at high frequency (30,1 to 48 MHz), where initial tolerance is ±45 ppm.

The resonators measure 2,0 x 1,6 x 0,7 mm and are available in frequencies of 24, 25, 27, 27.12, 30, 33,86, 40 and 48 MHz. They feature four connection pads on the base to make them a more direct replacement for quartz. All of Murata’s hybrid crystal resonators are RoHS compliant.

For more information contact Greg Parker, Avnet Kopp, +27 (0)11 809 6100, [email protected], www.avnet.co.za

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