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Sub-1GHz RF transceiver targets low-power wireless apps

Posted: 16 Aug 2007 ?? ?Print Version ?Bookmark and Share

Keywords:sub-1GHz RF transceiver? wireless applications? frequency band?


Texas Instruments Inc. (TI) has unveiled CC1101, a sub-1GHz RF transceiver featuring low-power consumption and high integration. The device targets low-power wireless applications in alarm and security, automatic meter reading, industrial monitoring and control, and home and building automation.

The CC1101 is designed for the industrial, scientific and medical and short range device frequency bands at 315-, 433-, 868- and 915MHz. The device can also be easily programmed for operation at other frequencies in the 300-348MHz, 387-464MHz and 779-928MHz bands. Frequency band and modulation format support enables compatibility with existing RF end equipments.

In addition, the CC1101 provides extensive hardware support for package handling, data buffering, burst transmissions, clear channel assessment, link quality indication and wake-on radio. The main operating parameters and the 64byte transmit/receive FIFOs can be controlled via an SPI interface. In a typical system, the CC1101 will be used with a microcontroller (MCU), such as TI's MSP430 ultra low-power MCUs, and a few additional passive components. Extensive digital features also speed development time and reduce MCU strain, even at high data rates.

The CC1101's main improvements over the earlier sub-1GHz RF transceiver CC1100 include improved spurious response, better close-in phase noise, higher input saturation, improved output power ramping and extended frequency bands.

The new sub-1GHz RF transceiver is available in a QLP-20 package. Pricing starts at $1.85 in 1,000-unit quantities.

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