DSP Group. has been granted a patent for a radio frequency digital-to-analog converter (RF-DAC) that features two power amplification modules (PAMs) with distinct power amplifiers, a transformer, and control units. This design enables precise digital signal processing and output through controlled amplification and transformer parameters. GlobalData’s report on DSP Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on DSP Group, Wearable transceivers was a key innovation area identified from patents. DSP Group's grant share as of June 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
Radio frequency digital to analog converter (rf-dac) technology
The granted patent US11979118B2 introduces a novel radio frequency digital to analog converter (RF-DAC) designed to enhance signal processing capabilities. The RF-DAC comprises two distinct power amplification modules (PAMs), each containing groups of power amplifiers that vary in amplification levels. The system is equipped with control units that manage the activation of individual amplifiers based on digital control signals. A transformer is integrated into the design to receive output signals from both PAMs and produce a transformer output signal that accurately reflects the digital information conveyed by the control signals. The architecture allows for multiple operational cycles, enabling the RF-DAC to process both positive and negative RF pulses effectively.
Additionally, the patent outlines a method for radio frequency digital to analog conversion, detailing the steps involved in determining transformer parameters, activating power amplifiers, and amplifying intermediate RF signals. The transformer plays a crucial role in transferring the difference between the amplified signals to generate an output signal that maintains a linear relationship with the digital information. The RF-DAC is further designed to translate various digital control signal values into distinct points on a power curve, ensuring precise signal output. This innovative approach aims to improve the efficiency and accuracy of RF signal processing in various applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
