7.8 GHz to 9.1 GHz Microwave Fractional – N Synthesizer

Product No: WEA89S22GDownload Datasheet

  • Applications:Satellite,Radar
  • Maturity:silicon proven
  • Foundry:GF
  • Geometry (nm):22nm
  • Process Node:22FDX

The WEA89S22G is a complete 24 bits Fractional-N microwave synthesizer able to synthesize frequencies from 7.8 GHz to 9.1 GHz with the integrated VCO. It consists of a low noise phase detector with lock detect indication, a programmable charge pump, a programmable loop filter, a multi modulus Prescaler, and a 64 band VCO with auto-calibration circuitry. Implemented in a 22nm CMOS SOI GlobalFoundries process, the WEA89S22G occupies a silicon area of 1.9 mm2.It exhibits high performance, high integration and flexibility for RADAR applications.

Key Features
  • Low Power PLL
  • Crystal Oscillator input 50 MHz
  • Reference 50 MHz to 250 MHz
  • 20mA @ 0.8 V PLL Supply – 40mA @1.5 V VCO Supply
  • 24 bits Programmable order MASH (1st /2nd/3rd )
  • Banerjee Figure of Merit: – 210 dB
  • Programmable Charge Pump
  • Programmable Active and Passive Loop Filter with high/low loop bandwidth mode
  • Multi-modulus Prescaler (32-639)
  • LC VCO with 64 bands
  • Automatic Band Selection System
  • Output Frequency 7.8 GHz – 9.1 GHz
  • Output Clock Generator High Frequency :  257 MHz- 575 MHz
  • Output Clock Generator Low Frequency : 26 MHz- 143.75 MHz
  • Area: 1330 um x 1440 um (1.9 mm2)
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