Qualcomm Introduces Innovative ultraSAW RF Filter Technology for 5G/4G Mobile Devices

Qualcomm Technologies has announced the launch of its ultraSAW filter technology, a groundbreaking thin-film innovation that offers game-changing performance improvements over existing BAW technologies. RF filters isolate radio signals from the different spectrum bands that phones use to receive and transmit information. By achieving as much as 1 decibel (dB) improvement in insertion loss, Qualcomm ultraSAW filters offer a higher performance solution compared to competing bulk-acoustic (BAW) filters in the sub-2.7 GHz frequency range.

Qualcomm ultraSAW technology achieves superior filter characteristics to deliver high performance in frequencies from 600 MHz to 2.7 GHz with a range of benefits including:

  • Excellent transmit, receive and cross isolation
  • High-frequency selectivity
  • A Q-factor as high as 5000 or even higher – significantly higher than the quality factor of competing BAW filters
  • Very low insertion loss
  • Excellent temperature stability with very low temperature drift in the single-digit ppm/Kelvin range.

This allows for more power-efficient RF paths in 5G and 4G multimode mobile devices – and at a lower cost point than competing commercial solutions with similar performance metrics for original equipment manufacturers (OEMs).

calibrated measurements in Qualcomm Technologies’ labs comparing Qualcomm ultraSAW pre-commercial components with commercially available products

Qualcomm ultraSAW serves as a key technology for driving the performance of Qualcomm Technologies’ cutting-edge RFFE product portfolio and Qualcomm Snapdragon 5G Modem-RF Systems further. The company is integrating Qualcomm ultraSAW technology across its product line including PA modules (PAMiD), front-end modules (FEMiD), diversity modules (DRx), Wi-Fi extractors, GNSS extractors, and RF multiplexers.

Improved RF performance helps OEMs bring 5G devices with superior connectivity and battery life to consumers. With a lineup of discrete and integrated Qualcomm ultraSAW products beginning production this quarter, OEM flagship devices using the technology are expected to be commercially available in the second half of 2020.

Qualcomm

  • Country: United States
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