Qorvo‘s patent involves a delay estimation circuitry that compensates for delays between envelope power supply and RF input signals. By measuring differences in subsequent measures of signals crossing a threshold, the circuitry estimates delays and adjusts accordingly. GlobalData’s report on Qorvo gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Qorvo, was a key innovation area identified from patents. Qorvo's grant share as of February 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.

Delay estimation circuitry for compensating signal delays

Source: United States Patent and Trademark Office (USPTO). Credit: Qorvo Inc

A recently granted patent (Publication Number: US11929720B2) discloses delay estimation circuitry designed to calculate the delay between two signals in a circuit. The circuit includes programmable delay circuitry, comparator circuitry, sample and hold circuitry, and delay control circuitry. The delay is determined based on changes in the difference signal over time, allowing for precise control and adjustment of the delay between the signals. The patent also covers variations of the circuit, such as additional delay circuitry and signal estimator circuitry, to further enhance the accuracy and functionality of the delay estimation process.

Moreover, the patent extends to envelope power supply circuitry that utilizes the delay estimation circuitry to provide an envelope power supply voltage based on a power envelope of a radio frequency input signal. By measuring the magnitude of the signals and calculating the delay between them, the circuit can generate an envelope tracking power supply signal with high precision. The method outlined in the patent involves measuring the signals, determining the difference between subsequent measurements, estimating the delay, and generating the envelope tracking power supply signal based on the estimated delay. This innovative approach to delay estimation and envelope power supply control has the potential to improve the efficiency and performance of radio frequency power amplifiers 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.