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Si4703 fm tuner evaluation board

Si4703 fm tuner evaluation board


Si4703 fm tuner evaluation board.

The vma444 is a radio and rds receiver combined with an efficient 150 mw audio amplifier. this module is ideal if you want to create your own clock radio or if you want to add fm functionality to your projects..


  • interface: I2C
  • power / logic level: 3.3 - 5 V
  • sensitivity: 1.7 µ emf
  • max. output power: 150 mW (8 Ohm)
  • default gain: 18 dB (8 x) (adjustable)
  • dimensions: 2.68" x 2.13" x 0.91" (68 x 54 x 23 mm)


  • worldwide FM band support
  • digital low-IF receiver
  • automatic frequency control (AFC)
  • automatic gain control (AGC)
  • volume control
  • RDS/RBDS support
  • Arduino® library available
  • 150 mW amplifier stereo amplifier
  • level shifters 5 V -3.3V on board

 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product