Vendor: Systems4Silicon Category: Filters Transforms

Digital PreDistortion IP

FlexDPD is a mature, flexible and solution for the linearization of RF Power Amplifiers (PA).

Overview

FlexDPD is a mature, flexible and complete solution for the linearization of RF Power Amplifiers (PA). It enables the utilisation of power-efficient PAs for the compliant transmission of today’s complex linear modulation schemes, affording savings both in CAPEX and OPEX. It is automatically applicable to a wide variety of single or multi-carrier modulation schemes and power amplifier configurations without modification.

Developed for performance and portability, FlexDPD is readily configured for use on all major FPGA and ASIC targets. Systems4Silicon is independent of a device vendor, which facilitates design migration between FPGA vendors’ devices and from FPGA to ASIC.

Key features

  • Better than 40 dB ACLR improvement depending upon the DPD configuration and system specifications/characteristics.
  • Scalable linearization capabilities to suit deployment system and optimise silicon resources.
  • Provides quadrature error correction (QEC), automatic gain control and frequency error compensation.
  • Supports single or multi-carrier instantaneous signal bandwidths from kHz to hundreds of MHz.
  • Software based coefficient adaption that supports multiple transmitter channels.
  • Rapid convergence algorithms.
  • Agnostic with respect to RF PA technology (e.g. GaN, GaS, Doherty etc.) or signal transmission standard (e.g. LTE, DVB, APCO P25, BGAN etc.).

Block Diagram

Benefits

  • Significantly improves transmitter power efficiency by enabling standards and regulatory compliance when using modern high efficiency RF PA designs.
  • Compatible for use with or without a preceeding crest factor reduction (CFR) function.
  • Pre-distortion engine may be ported to any vendor's FPGA or ASIC of suitable size and clock speed for the application.
  • Small resource footprint that is scalable to the system requirements.
  • Coefficient adaption software is portable to any 32/64-bit MCU or DSP.
  • Comprehensive design and integration support provided by dedicated experts in transmitter systems and linearization.

Applications

  • Efficiency enhancement of RF power amplification for the transmssion of single or multi-carrier signals.
  • Linear transmission of today's non-constant amplitude signals.

What’s Included?

  • DPD Core predisortion engine for FPGA/ASIC target.
  • Adaption Processor software for MCU/DSP target.
  • Analysis toolkit to provide integration support and diagnostics.

Video

DPD Linearization Example - APCO P25 Phase2
An illustration of Systems4Silicon's Digital Pre-Distortion IP linearizing a 100W PA transmitting a APCO P25 Phase2 signal. The video starts with the PA partially linearized and then rapidly converging upon full linearization as the algorithm adapts.

Files

Note: some files may require an NDA depending on provider policy.

Specifications

Identity

Part Number
FlexDPD
Vendor
Systems4Silicon
Type
Silicon IP

Provider

Systems4Silicon
HQ: UK
Provider of linearization technology and design services for RF power amplifiers.

Learn more about Filters Transforms IP core

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Frequently asked questions about Filters and Transforms IP cores

What is Digital PreDistortion IP?

Digital PreDistortion IP is a Filters Transforms IP core from Systems4Silicon listed on Semi IP Hub.

How should engineers evaluate this Filters Transforms?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this Filters Transforms IP.

Can this semiconductor IP be compared with similar products?

Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.

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