PALM – Predistortion-Based Amplifier Linearization Module

Product Information


POC’s PALM is a wideband, signal-agnostic, linearization module which can be integrated with or attached to an existing RF high power amplifier with no modification, compatible with high power amplifiers operable in the HF, VHF, UHF and low microwave.


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Scott Fitzgerald


  • Operates across the entire HF/VHF/UHF/L-band (2-2500 MHz) simultaneously
  • Operates on an entire signal environment (i.e. multiple simultaneous signals within the operating band)
  • Targeted reduction of user-selectable nonlinear spurious signals) by 40 dB or more
  • Signal agnostic: operates on any signal type within 2-2500 MHz band including high peak-to-average power ratio (PAPR) signals such as OFDM
  • Versatile integration in RF chain: can operate on the Tx or Rx side
  • Self-calibrating: automatically optimizes nonlinear compensation based on user specifications
  • High fidelity: does not affect fundamental signals
  • Real-time adjustment: to account for real-time changes in amplifier nonlinearity
  • Compatible with up to 500 W amplifier RF output power.

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