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 by connecting to a dedicated signal transmission line. 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 June 2024 was 52%. 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 signal lines, enabling the processing of multiple bits simultaneously, with specific resistance values tailored to optimize performance.
Additionally, the patent details the operational characteristics of the variable termination resistor units, which can switch between two resistance states based on the switch's position. Each unit can be configured to handle different bits of a signal, with resistances and inductances designed to maintain a specific ratio between units. The use of metal oxide semiconductor field effect transistors (MOSFETs) as switches is also specified. The patent emphasizes the versatility of the variable termination resistor, which can accommodate multiple units, resulting in a wide range of resistance states, thereby enhancing the adaptability of the signal driver 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.
