Highly integrated flex RF front-end transceiver - 300 to 960 MHz

MLX73290-M

Obsolete product - Not for new designs.

The MLX73290-M is a 300 to 930 MHz multi-channel transceiver chip. Its output power, frequency channels, modulation type frequency deviation and many other parameters are programmable via SPI. The low-IF receive part comprises fully digital demodulation and self-polling features together with channel scanning and packet recognition.

A flex RF front-end with two PAs and two LNAs allows various set-ups of the transmit/receive air interface, for example antenna diversity or frequency diversity configurations.

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Top features

  • Flex TX/RX RF front-end for antenna and frequency diversity

  • Energy harvesting interface

  • Transmitter with power detectors

  • Receiver with digital RSSI

  • Receiver self-polling with MCU wake-up

  • Multi-band frequency coverage from 300 up to 960 MHz

  • Modulation schemes supported: (G)FSK, (G)MSK, (G)OOK

  • Transmitter power of -20 to 13 dBm, 64 steps

  • Receiver sensitivity of -120 dBm (FSK, 433 MHz, 9 kHz CHBW)

  • Supply voltage range of 2.1 to 3.6 V
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Highly integrated flex RF front-end transceiver - 300 to 960 MHz - MLX73290-M

Features and benefits

  • Flex TX/RX RF front-end for antenna and frequency diversity

  • Energy harvesting interface

  • Transmitter with power detectors

  • Receiver with digital RSSI

  • Receiver self-polling with MCU wake-up

  • Multi-band frequency coverage from 300 up to 960 MHz

  • Modulation schemes supported: (G)FSK, (G)MSK, (G)OOK

  • Transmitter power of -20 to 13 dBm, 64 steps

  • Receiver sensitivity of -120 dBm (FSK, 433 MHz, 9 kHz CHBW)

  • Supply voltage range of 2.1 to 3.6 V

Practical application

Car Immobilizer

Advanced and high performance security system-on-a-chip solution that prevents the car engine from running unless the correct key is present.

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