Murata SAW resonator family for ISM-band devices achieves ±50ppm tolerance

Murata's latest family of SAW resonators is designed for short range devices (SRDs) operating in the ISM300 and ISM400 bands, and achieves ±50ppm tolerance. Because of its tight tolerance, the SARCC series of SAW resonators helps designs comply with the latest ETSI (European Telecommunications Standards Institute) frequency error standard.

Almost four years since Murata first introduced the three millimetre square package, brand new technology has meant further performance improvements. The thermal coefficient has been reduced by almost 50% to 0.016ppm/°C2 (typical) and the resonant loss has been improved by approximately 1dB to 1.5dB (maximum), compared to previous generations of Murata SAW resonators. The range is offered with tolerance of either ±50kHz or ±50ppm, compared to the ±75kHz offered by previous generations.

Resonators in the SARCC series come in two types, each named using a different suffix: part numbers suffixed -KX are intended for the consumer electronics applications and are also suitable for some automotive applications such as RKE (remote keyless entry) systems. Part numbers suffixed -TX are full automotive grade (AEC-Q200) devices, suitable for applications such as TPMS (tyre pressure monitoring systems).

The new family, which covers all the most requested frequencies, is available in industry standard 3.0 x 3.0 mm size, 6-pin ceramic packaging and is backward compatible with older devices.

For more information, or details on the full range of Murata products available from Anglia, please call +44 (0)1945 474747 or email info@anglia.com

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