Features and Benefits

  • Programmable Bandwidth: 1 to 3 GHz
  • Compatible with Narrowband & Wideband:
    PLLs with Integrated VCOs
  • LO Harmonic Rejection: ~20 dB
  • Improves Modulator/Demodulator
    Sideband/Image Rejection
  • Performance: 20 dB Typical
  • Single-Ended or Differential Options
  • Footprint up to 90% Smaller than
    Current Discrete Fixed
    Bandwidth Solutions
  • 16 Lead 3x3 mm SMT Package

Product Details

The HMC1044LP3E is a programmable bandwidth LPF (Low Pass Filter) targeted at all applications that use quadrature modulators and/or demodulators. The HMC1044LP3E filters out LO harmonics and ensures little or no LO contribution to modulator sideband rejection or demodulator image rejection performance.

Although targeted at LO filtering applications, the HMC1044LP3E can be used to filter all RF harmonics such as the ones generated by amplifiers.

The HMC1044LP3E offers a choice of 16 programmable bands, optimized for high and low cellular bands ranging from 1 to 3 GHz, making the a truly wideband part compatible with wideband PLLs with Integrated VCOs and wideband quadrature modulators and demodulators. It enables wideband multi-standard, multi-carrier designs that are field configurable on-thefly for each individual application.

The HMC1044LP3E is packaged in a compact 3x3 mm QFN leadless package.


  • Filtering LO Harmonics to Reduce Modulator Sideband Rejection & Demodulator Image Rejection
  • Amplifier Harmonic Filtering
  • RF Filtering

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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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.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.