Product News: Electronic Components & Devices
Antenna Tuning Circuit supports MIPI Alliance RFFE standard.
Press Release Summary:
April 10, 2013 - Supplied in 0.4 mm pitch, 0.6 mm high chip-scale package, STHVDAC-304MF3 has 4-channel output for adjusting up to 4 tunable BST capacitors in antenna-matching circuits of multi-band GSM/WCDMA/3G-LTE smartphones. Product comprises high-voltage DAC for generating capacitor-tuning voltages from 2–20 V and is controlled via RF Front End (RFFE)-compliant, 1.8 V interface. Standard features include trigger- mode for time critical application, and shutdown mode to help extend battery life.
Original Press Release
STMicroelectronics Embraces New RF Front-End Standard
Press release date: April 2, 2013
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 time critical application, and a shutdown mode allowing longer battery life. This new device joins ST’s 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 ST’s 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 ST’s smart-antenna tuning products please go to http://www.st.com/web/en/catalog/sense_power/FM139/CL2084
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