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RF switches promise higher linearity performance

Posted: 17 Jan 2007     Print Version  Bookmark and Share

Keywords:switch  GSM  W-CDMA  RFMD  802.11 

RF Micro Devices Inc. (RFMD) has announced its newest RF switches—the RF1200 and RF1450. These devices use the company's GaAs manufacturing capability and leverage the switch technology developed for use in RFMD's transmit modules.

The new high-performance switches enable front-end applications in multiple market segments, including multi-mode GSM/W-CDMA cellular handsets, antenna tuners, IEEE802.11a/b/g WLAN and cellular infrastructure.

"Our first two RF switch product offerings—the RF1200 and RF1450—enable complex front-end applications of feature-rich multi-mode handsets, improve overall RF system performance and help enable new architectures," said Bob Bruggeworth, president and CEO of RFMD.

GaAs pHEMT process
The RF1200 is an spdt high-power switch that meets all linearity requirements for WCDMA and features low insertion loss, low control voltage and very good harmonic characteristics. It is fabricated with 0.5µm GaAs pHEMT process and is packaged in a very compact 2-by-2mm, 6-pin, leadless QFN package.

The RF1450 is a sp4t high-power switch specifically designed to provide superior linearity performance for multi-mode WCDMA applications. The RF1450 includes integrated decoding logic, allowing just two control lines needed for switch control. It is packaged in a compact 3-by-3-by-0.6mm, 16-pin, leadless QFN package.

The RF1200 and RF1450 RF switches are currently in production to initial customers at a price of Rs.26.74 (59 cents) for the RF1200 and Rs.53.93 ($1.19) for the RF1450, both in 10,000-unit quantities.

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