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RFM12B 433MHz transceiver (130559-91)

RFM12B 433MHz transceiver (130559-91)


Universal ISM Band FSK Transceiver.


Universal ISM Band FSK Transceiver.
5,36 €
Nichtmitglieder: Regular Price 5,95 €


The RFM12B is a single chip, 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 chip 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. Only an external crystal and bypass filtering are needed for operation


  • Fully integrated (low BOM, easy design-in)
  • No alignment required in production
  • Fast-settling, programmable, high-resolution PLL synthesizer
  • Fast frequency-hopping capability
  • High bit rate (up to 115.2 kbps in digital mode and 256 kbps in analog 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 8-bit TX data registers
  • Low power duty cycle mode
  • Standard 10 MHz crystal reference with on-chip tuning
  • Wake-up timer
  • 2.2 to 3.8 V supply voltage
  • Low power consumption 
  • Low standby current (0.3 μA)
  • Compact 16 pin TSSOP package
  • Supports very short packets (down to 3 bytes)
  • Excellent temperature stability of the RF parameters
  • Good adjacent channel rejection/blocking


Mehr Info
Artikel-Nr. 16109
Hersteller Elektor Labs
Platinen-Nr. 130559-91

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