4.4 GHz To 7.75 GHz Low phase Noise Fractional-N Synthesizer

Product No: WEA48S55TDownload Datasheet

  • Applications:Phased array antennas and beam forming
  • Maturity:GDSII ready
  • Foundry:TSMC
  • Geometry (nm):55nm
  • Process Node:

The WEA4S8TSMC55 is a wide band fractional–N frequency synthesizer with low fractional spurs. It can generate an RF signal ranging from 4.4 GHz up to 6.4 GHz with a bank of 3 integrated VCOs (option 1) and 6.87 GHz up to 7.75 GHz with a bank of 2 integrated VCOs (option 2).  The synthesizer has integrated frequency autocalibration and phase synchronization mechanisms. The WEA4S8TSMC55 is powered by a 1.8 V supply.

Key Features
  • Low Spur PLL
  • Reference input: 81.25 MHz to 162.5 MHz
  • Output frequency range (Option 1): 4.4 GHz to 6.4 GHz
  • Output frequency range (Option 2): 6.87 GHz to 7.75 GHz
  • Integrated Phase Jitter: 200 fs rms (from 10 kHz to 250MHz, excluding reference clock noise)
  • Banerjee figure of merit: -227 dBc/Hz
  • Programmable Charge Pump
  • Programmable Loop Filter
  • Bank of LC-VCOs with 128 Bands/VCO
  • Automatic VCO/Band Selection System
  • RF, Analog Supply 1.8 V
  • Area: 2.25 mm2
WEA4S8TSMC55
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