Silicon Labs Si483x IC是業界第一款用於模擬調諧AM/FM/SW收音機的CMOS DSP IC，這片晶片提供了從天線輸入到音頻輸出的完整收音機解決方案。基於專利設計，Si483x AM/FM接收晶片不需要外接的微控制器、可變電容、AM/FM IF濾波器以及其他分立元件，大大地節省了開發時間、零件的數量和勞動力成本。Si483x系列產品可應用在可擕式收音機、身歷聲收音機、時鐘和臺燈收音機、玩具收音機和禮品收音機等各種帶收音功能的產品上。

Specification:

• Worldwide FM band support (64–109 MHz)
  
• Worldwide AM band support (504–1750 kHz)
  
• SW band support (5.6–22 MHz) (Si4835 only)
  
• Direct volume control
  
• On-chip bass and treble tone control
  
• Supports station and stereo LED indicators
  
• Flexible band selections
  
• Excellent real-world performance
  
• Automatic frequency control (AFC)
  
• Integrated LDO regulator
  
• 24-pin Pb-free SSOP
  
• EN55020-compliant
  
• Small single-sided PCB
  
• No manual alignment required
  
• No external MCU required
  
• Runs off 2 AAA batteries with 2.0~3.6 V supply voltage
  
• Wide range of ferrite loop sticks and air loop antennas supported
  
• Advanced linear frequency display

Applications:

• Table and portable radios
  
• Stereos
  
• Mini/micro systems
  
• CD/DVD players
  
• Boomboxes
  
• Modules
  
• Clock radios
  
• Mini HiFi
  
• Entertainment systems


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