Circuits, devices and methods related to impedance tuners
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United States of America Patent
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May 7, 2024
Grant Date -
Jan 19, 2023
app pub date -
Jul 19, 2022
filing date -
Jul 19, 2022
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Abstract
Circuits, devices and methods related to impedance tuners. In some embodiments, a capless impedance tuner can include first node and second nodes, a first series path, a second series path, and an inductance path, each between the first node and the second node and including a switch to allow the path to couple or uncouple the first and second nodes. Each series path can be configured to allow a substantially continuous flow of a direct current between the first node and the second node when coupled. The tuner can further include a shunt path with a switch to allow coupling or uncoupling of the second node and ground. The tuner can further include a switchable grounding path implemented along the inductance path and configured to allow the inductance path to function as a series inductance path between the first and second nodes, or as a shunt inductance path between the ground and a node along the inductance path.
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