Beamforming IC by Renesas (16 more products)

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F6521 Image

The F6521 from Renesas is an 8-Channel Transmit Active Beamforming RFIC that operates from 13.75 to 14.5 GHz. It has eight output channels which are independently controlled and can drive eight single-polarized elements or four dual-polarized elements of an electronically scanned array (ESA). Each channel provides 6 bits of digital phase control covering 360° and 25 dB of gain control with a minimum step size of 0.2 dB, enabling precise beam pattern and polarization control. It includes advanced digital modes and large on-chip memory that enables a beam position switching time of less than 100 ns at the array level and greatly reduces dead time and latency. This RFIC is designed for application in Ku-band SATCOM planar phased array antennas.

The F6521 requires a DC supply of 2.3 V and features a low power standby mode as well as independent enable controls on every channel. It has an SPI bus and control pins that operate from standard 1.8 V logic levels at speeds up to 50MHz. This RFIC is available in a 62-pin FC-BGA package that measures 3.8 x 4.6 x 0.9 mm and is suitable for use in phased array antennas, Ku-band SATCOM terminals and aerospace and maritime applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
  • Description
    8-Channel Transmit Active Beamforming RFIC from 13.75 to 14.5 GHz

General Parameters

  • Application
    SATCOM, Aerospace, Maritime, Phased Array Antennas
  • Type
  • Polarization
    Single or Dual
  • No of Channels
    8 channels
  • Band
    Ku Band
  • Frequency
    13.75 to 14.5 GHz
  • Gain Control LSB
    0.2 dB
  • Tx/Rx Switching Time
    100 ns
  • Phase control
    6 Bit
  • Voltage
    2.3 V
  • Operating Temperature
    -40 to 85 Degree C

Tx Parameters

  • Tx Power
    10.5 dBm (P1dB)
  • Tx Gain
    25 dB (Small Signal)
  • Tx Gain Control
    25 dB


  • Package Type
    Surface Mount
  • Package
    62-pin FC-BGA
  • Size
    3.8 x 4.6 x 0.9 mm

Technical Documents