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The Digital PreDistortion (DPD) Solution by Systems4Silicon is a cutting-edge technology developed to maximize the power efficiency of RF power amplifiers. Known as FlexDPD, this solution is vendor-independent, allowing it to be compiled across various FPGA or ASIC platforms. It's designed to be scalable, optimizing resources according to bandwidth, performance, and multiple antennae requirements. One of the key benefits of FlexDPD is its substantial efficiency improvements, reaching over 50% when used with modern GaN devices in Doherty configurations, surpassing distortion improvements of 45 dB. FlexDPD is versatile, operating with communication standards including multi-carrier, multi-standard, and various generations from 2G to 5G. It supports both time division and frequency division duplexing, and can accommodate wide Tx bandwidths, limited only by equipment capabilities. The technology is also agnostic to amplifier topology and transistor technology, providing broad applicability across different setups, whether class A/B or Doherty, and different transistor types like LDMOS, GaAs, or GaN. This technology integrates seamlessly with Crest Factor Reduction (CFR) and envelope tracking techniques, ensuring a low footprint on resources while maximizing efficiency. With complementary integration and performance analysis tools, Systems4Silicon provides comprehensive support and documentation, ensuring that clients can maximize the benefits of their DPD solution.
Systems4Silicon's Crest Factor Reduction (CFR) Technology, named FlexCFR, is an advanced solution designed to optimize the performance of RF power amplifiers by limiting transmit signal envelope. This enables significant improvements in amplifier efficiency by increasing the average transmit power while reducing peak-power demands. FlexCFR stands out for its vendor-independence, allowing it to be configured for any FPGA or ASIC platform, and dynamic adaptability to accommodate various communication standards including multi-carrier signals. FlexCFR offers several advantages, such as reducing the costs associated with higher peak-power requirements and improving overall amplifier efficiency. The product allows for real-time changes, supporting a variety of standard and non-standard communication systems, ensuring a tailored fit for different networking needs. The technologically sophisticated CFR can adjust the Peak to Average Power Ratio (PAPR) to balance spectral emission performance against in-channel outcomes, providing versatile operational benefits. Designed for comprehensive adaptability, FlexCFR is compatible with DPD solutions and envelope tracking, offering robust functionality in diverse network setups. The system is known for its deterministic behavior, facilitating accurate off-line modeling for performance predictions and system optimization. Systems4Silicon offers detailed documentation and ongoing support from experienced engineers to help users harness the full potential of FlexCFR technology.
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