Nxp Usa, Inc.

Jeremie Jean Simon

Lionel Mongin

Pierre Marie Jean Piel

James Eric Scott

Laurent Gauthier

Jamison Michael McCarville

Maria Del Carmen Medina Urturi

A defrosting system includes an RF signal source, two electrodes proximate to a cavity within which a load to be defrosted is positioned, a transmission path between the RF signal source and the electrodes, and an impedance matching network electrically coupled along the transmission path between the output of the RF signal source and the electrodes. The system also includes power detection circuitry coupled to the transmission path and configured to detect reflected signal power along the transmission path. A system controller is configured to modify, based on the reflected signal power, values of variable capacitors of the impedance matching network to reduce the reflected signal power. The impedance matching network may be a single-ended network or a double-ended network.

Thermal increase system and methods of operation thereof

A balun includes a dielectric layer having first and second sides, an electrically conductive plate on the second side of the dielectric layer, a first electrically conductive line on the first side and comprising a first end electrically connected to a first terminal and a second end, a second electrically conductive line on the second side and comprising a third end electrically coupled to a second terminal and a fourth end connected to an unbalanced terminal and a micro strip line comprising a fifth end electrically connected to the third end and a sixth end. The first electrically conductive line overlaps the second electrically conductive line. The second and the sixth ends are electrically coupled to the electrically conductive plate. The electrically conductive plate is hollowed in at least a region corresponding to an overlap area of the first electrically conductive line and second electrically conductive line.

Balun transformer

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Saubens, France

Jeremie Jean Simon