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RF/Microwave??

Atmel ships two-way RF communications chipset

Posted: 20 Dec 2002 ?? ?Print Version ?Bookmark and Share

Keywords:atmel? at86rf401? t5744? rf microtransmitter? receiver ic?

Atmel Corp. has announced the availability of a UHF RF wireless on/off key transceiver chipset based on its AT86RF401 Smart RF microtransmitter and T5744 receiver, which suitable for two-way remote sensing applications such as temperature, pressure, and motion, as well as remote control applications.

The chipset is available in TSSOP20 (Tx) and SO20/SS020 (rx) packages to minimize PCB area, and takes advantage of the 6dB output power of the micotransmitter and the -110dB input sensitivity of the receiver.

The AT86RF401 also contains an AVR microcomputer with 2KB of Flash program memory and 128B of EEPROM data memory. Its Flash can be updated via a built-in In System Prgrammablity capability. It also has an integrated PLL-based RF transmitter that is linked to the AVR microcomputer core to place key RF parameters, including VCO tuning, output power, and carrier modulation, under software control.

The T5744 receiver offers high sensitivity at data rates up to 10KHz and has an integrated Received Signal Strength Indicator output to enable strength determination of the received signals. Its architecture supports all kinds of modulation schemes, including Manchester, Biphase and most PWM protocols.

Chipset pricing starts at $3.23 per pair in quantities of 10,000 units. An evaluation kit featuring a fully operational system including a receiver board and transmitter board, samples of the AT86RF401 and T5744 chipset, and the necessary tools to enable the development of a 2-way RF wireless system is also available.





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