Electronic devices having complementary current mirror circuitry
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 18, 2025
Grant Date -
Nov 2, 2023
app pub date -
May 2, 2022
filing date -
May 2, 2022
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Abstract
An electronic device may include wireless circuitry having digital-to-analog converters, filters, mixers, and current buffers disposed between the filters and the mixers. The current buffers may provide proper resistance termination for the filters. The current buffers may include current mirrors formed from diode-connected n-type transistors and diode-connected p-type transistors, which collectively provide a linear input resistance. The current mirrors may receive a high voltage from a voltage regulator having a replica current mirror and proportional-to-absolute-temperature current sources.
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