MACOM Technology Solutions has been granted a patent for a system that transmits signals via serial links. The system includes multiple lanes for combining data onto a transmission media, a skew detector to detect skew among two of the lanes, and a variable delay circuit that delays the start of a clock signal to one of the lanes. GlobalData’s report on MACOM Technology Solutions 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 MACOM Technology Solutions, Quantum dot devices was a key innovation area identified from patents. MACOM Technology Solutions's grant share as of September 2023 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
System for transmitting signals with adjustable delay for skew detection
A recently granted patent (Publication Number: US11777702B2) describes a system for transmitting signals via serial links. The system includes multiple lanes for combining data onto a transmission medium. Each lane consists of a first and second modulation driver signal. The system also includes a skew detector that detects skew between the lanes and a variable delay circuit controlled by the skew detector. The delay circuit delays the start of a clock signal to the circuitry of one of the lanes, allowing for adjustment of the skew between the lanes.
The patent also discloses a test pattern generator that supplies test patterns to the lanes to detect skew. These test patterns include at least two patterns based on different numbers of symbols, with the option of using prime numbers of symbols. The skew detector controls a common reset signal for resetting the lanes and asserts the signal if unintended skew is detected between any pair of lanes.
In another embodiment, the system includes a skew adjustment circuit that adjusts the skew between two lanes in a closed-loop manner. The adjustment circuit consists of a variable delay circuit that delays the start of a clock signal to the circuitry of a lane. A skew detector is used to control the adjustment circuit and a common reset signal for the lanes. The skew adjustment circuit can introduce intentional skew between multiple lanes.
Furthermore, the patent describes a system for transmitting signals via optical serial links. This system includes multiple lanes for combining independent data onto an optical transmission waveguide. Each lane has a skew adjustment component that adjusts the skew of the respective lane based on the output of a skew detector. The skew adjustment component includes a variable delay circuit controlled by the skew detector, which delays the start of a clock signal to the circuitry of one of the lanes. The skew detector is configured to detect skew between two adjacent lanes and can sense the outputs of the modulation drivers corresponding to these lanes.
Overall, this patent presents innovative systems for transmitting signals via serial links and optical serial links. The inclusion of skew detectors, variable delay circuits, and test pattern generators allows for the adjustment and detection of skew between lanes, ensuring efficient and accurate signal transmission.
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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.
