Macronix International has been granted a patent for a continuous time linear equalizer (CTLE) circuit. The invention features a differential pair of transistors, resistors, current sources, and coupling capacitors, designed to provide a differential output voltage from an input signal. GlobalData’s report on Macronix International 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 Macronix International, Magnetic RAMs was a key innovation area identified from patents. Macronix International's grant share as of July 2024 was 82%. Grant share is based on the ratio of number of grants to total number of patents.
Continuous time linear equalizer (ctle) circuit
The granted patent US12074739B1 presents a continuous time linear equalizer (CTLE) circuit designed to enhance signal processing in electronic devices. The core of the invention consists of a differential pair of transistors, each connected to a drain-side supply voltage through resistors. The first transistor's gate is linked to a reference voltage, while the second transistor's gate connects to an input voltage, producing a differential output voltage from their drains. The circuit incorporates coupling capacitors to facilitate signal transmission and can include additional capacitors for improved performance. Notably, the architecture can be configured as a two-stage operational amplifier or a fold-cascade architecture, allowing for flexibility in design.
Additionally, the patent outlines the integration of the CTLE circuit within various memory devices, such as static random access memory (SRAM) and different types of flash memory. The claims also detail an input buffer circuit that employs a similar differential transistor configuration, emphasizing the versatility of the design. The input buffer includes coupling capacitors and drain-side capacitors, ensuring effective signal processing. The current sources connected to the transistors provide biasing currents, which can be adjusted to optimize performance. Overall, the patent highlights innovative approaches to improving signal integrity in electronic circuits, particularly in memory 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.
