Cadence Design Systems. has filed a patent for a referential amplifier device that includes two current path systems and an output port to provide an output voltage based on the input signal and a threshold voltage level. The device aims to improve amplifier performance. 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 January 2024 was 86%. Grant share is based on the ratio of number of grants to total number of patents.
Referential amplifier device with input and output voltage levels
The patent application (Publication Number: US20240007066A1) describes a referential amplifier device with unique features. The device includes two current path systems, each comprising transconductor devices, resistor devices, and cascode devices, to provide an output voltage based on the input signal and a threshold voltage level. The resistance values and current levels in the systems are carefully set to eliminate temperature variations and ensure proportional responses to absolute temperature changes. Additionally, the transconductor devices are configured to operate in weak inversion, enhancing the device's performance.
Furthermore, the patent application outlines a method for manufacturing the referential amplifier device. The method involves setting specific resistance values, configuring transconductor devices for temperature compensation, and ensuring proportional current levels in the two current path systems. The inclusion of cascode devices and resistor segments in the systems helps increase the voltage gain level at the output port. By following this method, manufacturers can produce referential amplifier devices with improved stability, accuracy, and performance, making them suitable for various applications requiring precise voltage amplification and temperature compensation.
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