Semtech has been granted a patent for a signal driver featuring a variable termination resistor. This design includes multiple resistor units with switches and T-coils, enhancing signal transmission through a connected signal transmission line, thereby improving performance in electronic communications. GlobalData’s report on Semtech 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 Semtech, Adaptive video coding was a key innovation area identified from patents. Semtech's grant share as of July 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Variable termination resistor for signal transmission line
The granted patent US12028055B2 outlines a signal driver that incorporates a variable termination resistor designed to enhance signal transmission efficiency. The signal driver consists of one or more variable termination resistor units, each featuring a switch, a T-coil, and two resistors connected to its respective end nodes. The T-coil is composed of two inductors and a bridge capacitor, facilitating improved signal integrity. The configuration allows the first end node to connect to either ground or a supply voltage, while the second end node connects to a signal transmission line. The design supports differential signaling through the inclusion of a second variable termination resistor linked to an additional signal transmission line.
The patent further details the operational characteristics of the variable termination resistor units, which can switch between two resistance states based on the activation of the switch. Each unit can process distinct bits of an incoming signal, with specific resistance values tailored to optimize performance. Notably, the resistance and inductance of the components in one unit can be designed to be multiples of those in another, allowing for precise control over signal processing. The patent also describes a method for providing the signal driver, emphasizing the systematic connection of its components to achieve the desired functionality. Overall, this innovation aims to improve the efficiency and reliability of signal transmission in electronic systems.
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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.
