Features and Benefits

  • Downconverter
    • Conversion loss
      • 10.5 dB typical for 7 GHz to 22 GHz
      • 11 dB typical for 22 GHz to 40 GHz
    • LO to RF isolation
      • 34 dB typical for 7 GHz to 22 GHz
      • 32 dB typical for 22 GHz to 40 GHz
    • LO to IF isolation
      • 32 dB typical for 7 GHz to 22 GHz
      • 50 dB typical for 22 GHz to 40 GHz
    • RF to IF isolation
      • 14 dB typical for 7 GHz to 22 GHz
      • 29 dB typical for 22 GHz to 40 GHz
  • IP3: 20 dBm typical
  • IP2: 40 dBm typical
  • Input power for P1dB
    • 11 dBm typical for 7 GHz to 22 GHz
    • 12 dBm typical for 22 GHz to 40 GHz
  • IF frequency range: dc to 10
  • Passive, no dc bias required
  • Small size: 1.38 mm × 0.81 mm × 0.102 mm

Product Details

The HMC774A is a general-purpose, gallium arsenide (GaAs), monolithic microwave integrated circuit (MMIC), double balanced mixer chip that can be used as an upconverter or downconverter from 7 GHz to 40 GHz. This mixer requires no external components or matching circuitry.

The HMC774A provides excellent local oscillator (LO) to radio frequency (RF) and LO to intermediate frequency (IF) suppression due to optimized balun structures. The mixer operates well with LO drive levels of 13 dBm. The HMC774A is also available in surface-mount technology format as the HMC774ALC3B.


  • Point to point radios
  • Point to multipoint radios and very small aperture terminals (VSATs)
  • Test equipment and sensors
  • Military end use

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Tools & Simulations

Design Tools


ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

Sample & Buy

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