技术特性

• Continuous frequency coverage: 0.35 to 6.2 GHz
  
• Integer-N frequency synthesizer
  
• Low phase noise VCO
  
• Four integrated VCOs with automatic digital frequency calibration
  
• Automatic VCO selection based on the target RF output
  
• Programmable VCO division by 1, 2, 3, 4, or 8
  
• VCO divide-by-three with 50% duty cycle
  
• Integrated input/output RF buffer
  
• Device provides both divided and direct VCO outputs
  
• Programmable RF output power levels
  
• Low RF output comparison spurs
  
• Programmable 18-bit N-counter and 11-bit R-counter
  
• Dual modulus 7 GHz prescaler (selectable 16/17 or 32/33)
  
• Programmable charge pump current
  
• Flexible configuration allows connection to external VCO or PLL
  
• Bidirectional read/write three-wire serial to parallel interface
  
• Digital lock detect
  
• Digital output used as a loop filter component switch
  
• Optional adjustment of the core, divider, and charge pump
  current by external resistor
  
• Power supply: 3.3 V
  
• Small, RFLGA (32-pin, 5 x 5 mm) package (MSL3, 260 °C per
  JEDEC J-STD-020)

订购信息 Ordering Information

• SKY73134-11

应用领域 APPLICATION

• Cellular base station systems: GSM/EDGE, CDMA2000, WCDMA,
  TD-SCDMA, LTE
  
• Other wireless communication systems

功能框图 Functional Block Diagram