HMC439 Digital Phase-Frequency Detector SMT, 0.01 - 1.3 GHz

Product Details

The HMC439QS16G(E) is a digital phase-frequency detector intended for use in low noise phase-locked loop applications for inputs from 10 to 1300 MHz. Its combination of high frequency of operation along with its ultra low phase noise floor make possible synthesizers with wide loop bandwidth and low N resulting in fast switching and very low phase noise. When used in conjunction with a differential loop amplifier, the HMC439QS16G(E) generate output voltages that can be used to phase lock a VCO to a reference oscillator. The device is packaged in a low cost, surface mount 16 lead QSOP package with an exposed base for improved RF and thermal performance.


  • Point-to-Point Radios
  • Satellite Communication Systems
  • Military Applications
  • Sonet Clock Generation

Features and Benefits

  • Ultra Low SSB Phase Noise Floor:
    −153 dBc/[email protected] kHz offset @ 100 MHz
    Input up to 1300 MHz Fin.
  • Differential Input/Single Ended Output
  • Open Collector Output Buffer Amplifiers
  • QSOP16G SMT Package: 29.4mm2