28 July 2021

Favourite RF reciever – HC1239

The HC1239 is a highly integrated RF receiver capable of operation over a wide frequency range, including the 433MHz, 868MHz and 915MHz license-free ISM (Industry Scientific and Medical) frequency bands. Its highly integrated architecture allows for a minimum of external components whilst maintaining maximum design flexibility. All major RF communication parameters are programmable and most of them can be dynamically set. The HC1239 offers the unique advantage of programmable narrow-band and wide-band communication modes without the need to modify external components. The HC1239 is optimized for low power consumption while offering high sensitivity and channelized operation. TrueRF™ technology enables a low-cost external component count (elimination of the SAW filter) whilst still satisfying ETSI and FCC regulations.

Vlastnosti:

  •  High Sensitivity: down to -120 dBm at 1.2 kbps
  •  High Selectivity: 16-tap FIR Channel Filter
  •  Bullet-proof front end: IIP3 = -18 dBm, IIP2 = 35 dBm,
  • 80 dB Blocking Immunity, no Image Frequency response
  •  Low current: Rx = 16 mA, 100nA register retention
  •  Constant RF performance over voltage range of chip
  •  FSK Bit rates up to 300 kb/s
  •  Fully integrated synthesizer with a resolution of 61 Hz
  •  FSK, GFSK, MSK, GMSK and OOK demodulation
  •  Built-in Bit Synchronizer performing Clock Recovery
  •  Incoming Sync Word Recognition
  •  115 dB Dynamic Range RSSI
  •  Automatic RF Sense with ultra-fast AFC
  •  Packet engine with CRC, AES-128 encryption and 66- byte FIFO
  •  Built-in temperature sensor and Low Battery indicator

HC1239

Aplication:

  •  Automated MeterReading
  •  Wireless Sensor Networks
  •  Home and Building Automation
  •  Wireless Alarm and Security Systems
  •  Industrial Monitoring and Control
  •  Wireless M-BUS

Datasheet HC1239

Certificates:

Favourite RF reciever – HC1239
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