Low power RF transceiver for ISM/SRD bands

22 May 2002 Telecoms, Datacoms, Wireless, IoT

Chipcon's latest transceiver was specifically designed to comply with the most stringent requirements of the low power radio market. The CC1000 is a true single-chip UHF transceiver designed for very low power and voltage wireless applications. The integrated circuit is mainly intended for FSK systems in the ISM/SRD bands at 315, 433, 868 and 915 MHz, but can easily be programmed for operation at other frequencies in the 300-1000 MHz range.

The device operates from 2,3-3,6 V - highly suited to be powered by single 3,0 V lithium coin cells. Current consumption is 7,7 mA in receive mode and from 5,3 mA up to 27,8 mA in transmit mode depending on the output power. The output power can be programmed in 1 dB steps up to 10 dBm. In power down mode the device draws 0,2 mA. A sensitivity of -109 dBm combined with the high output power makes it possible to build very low power battery operated systems yet achieving a long and reliable communication range. The CC1000 has an integrated PLL that can be programmed in 250 Hz steps making crystal temperature drift compensation possible. The device offers integrated bit synchroniser and RSSI and is easily interfaced to any microcontroller through five I/O lines.

Very few external components are required to make a complete transceiver. Low power consumption and high integration level make it ideal for remote keyless entry, meter reading, home automation and wireless alarm and security systems.

CC1000 comes in a TSSOP28 package, and is supported by CC1000DK Development Kit which provides a complete reference design with schematics, bill of materials and layout for the developer. The SmartRF Studio software package can be used to generate all configuration data used by the microcontroller.

For further information contact Components & System Design, 011 391 3062.

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