Cadence Design Systems. has been granted a patent for a circuit and method that establishes a target phase delay between two signals related to a master signal. The invention involves generating multiple phase signals and selecting one based on the first signal’s phase and desired delay. GlobalData’s report on Cadence Design Systems 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 Cadence Design Systems, Manufacturability analysis was a key innovation area identified from patents. Cadence Design Systems's grant share as of July 2024 was 85%. Grant share is based on the ratio of number of grants to total number of patents.
Circuit for setting phase relationship between two signals
The patent US12072732B2 describes a circuit designed to establish a target phase delay between two signals, referred to as the first and second signals, which are related to a master signal. The circuit includes a phase signal generator that produces multiple output signals based on the master signal, and a phase select logic that determines which output signal to use based on an enabling trigger signal and the desired phase delay. Additionally, a second signal generator creates the second signal based on the selected output signal's phase. The claims also indicate that the first and second signals may initially have an unknown phase relationship and can be periodic signals, such as clock signals or pseudo-random bit sequences.
Further features of the circuit include a phase sampler that samples the phases of the output signals and sends corresponding phase code signals to the phase select logic. The logic can also receive a target delay signal to refine its selection process. The system is designed to accommodate scenarios where the first and second signals operate asynchronously, with provisions for synchronizing the signals through additional logic components. This patent outlines a comprehensive approach to managing phase relationships in signal processing, which is crucial for various applications in electronics and communication systems.
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