STMicroelectronics Embraces New RF Front-End Standard
Geneva, April 2, 2013 ĖThe STHVDAC-304MF3 antenna-tuning controller has a 4-channel output for adjusting up to four tunable BST capacitors in the antenna-matching circuits of multi-band GSM/WCDMA/3G-LTE smartphones. A key feature is support for the MIPI Alliance RF Front End (RFFE), an emerging industry standard that simplifies cellular radio design.
The STHVDAC-304MF3 is controlled via an RFFE-compliant 1.8V interface, and comprises a High-Voltage Digital-Analog Converter (HVDAC) for generating capacitor-tuning voltages from 2V to 20V. Features include a trigger mode for coordinating signals, and a shutdown mode allowing longer battery life. This new device joins STís 3-channel STHVDAC-303, which has a standard SPI host connection.
The device is in production in a 0.4mm-pitch, 0.6mm-high, chip-scale package. Pricing is from $0.50 for orders over 1,000 units. Samples are available immediately.
Product datasheet and short video on STís STHVDAC-304MF3 antenna-tuning circuit are available at http://www.st.com/web/en/catalog/sense_power/FM139/CL2084/SC1883/PF253347
For further information on STís smart-antenna tuning products please go to http://www.st.com/web/en/catalog/sense_power/FM139/CL2084
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In 2012, the Companyís net revenues were $8.49 billion. Further information on ST can be found at www.st.com.
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