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RFM12B - 868Mhz Wireless FSK Transceiver


Price: 4.30
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 RFM12B - 868Mhz Wireless FSK Transceiver

Description:
The RF12B is a low power, multi-channel FSK transceiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 433, 868 and 915 MHz bands. The module is a complete analog RF and baseband transceiver including a multi-band PLL synthesizer with PA, LNA, I/Q down converter mixers, baseband filters and amplifiers, and an I/Q demodulator. All required RF functions are integrated. The RF12B features a completely integrated PLL for easy RF design, and its rapid settling time allows for fast frequency-hopping, thus bypassing multi-path fading and interference to achieve robust wireless links. The RF12B dramatically reduces the load on the microcontroller with the integrated digital data processing features: data filtering, clock recovery, data pattern recognition, integrated FIFO and TX data register. For low power applications, the RF12B supports low duty cycle operation based on the internal wake-up timer.


Features:
  • Fully integrated module, easy design-in
  • Fast-settling, programmable, high-resolution PLL synthesizer
  • Fast frequency-hopping capability
  • High bit rate (up to 115.2 kbps in digital mode)
  • Direct differential antenna input/output
  • Integrated power amplifier
  • Programmable TX frequency deviation (15 to 240 kHz)
  • Programmable RX baseband bandwidth (67 to 400 kHz)
  • Analog and digital RSSI outputs
  • Automatic frequency control (AFC)
  • Data quality detection (DQD)
  • Internal data filtering and clock recovery
  • RX synchron pattern recognition
  • SPI compatible serial control interface
  • Clock and reset signals for microcontroller
  • 16 bit RX Data FIFO, two TX data registers
  • Low power duty cycle mode
  • Standard 10 MHz crystal reference
  • Wake-up timer
  • 2.2 to 3.8 V supply voltage
  • Low power consumption, Low standby current (0.3ľA)
  • Supports very short packets (down to 3 bytes)
  • Excellent temperature stability of the RF parameters

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