Inductively coupled filter and wireless fidelity WiFi module
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United States of America Patent
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Jan 5, 2021
Grant Date -
Aug 22, 2019
app pub date -
Jun 6, 2016
filing date -
Jun 6, 2016
priority date (Note) -
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Abstract
Embodiments of the present invention provide an inductively coupled filter and a WiFi module. The inductively coupled filter includes a first circuit, where the first circuit is disposed on a first substrate; and a second circuit, where the second circuit is disposed on a second substrate; and the first substrate and the second substrate are disposed opposite to each other, so that a coil inductor in the first circuit and a coil inductor in the second circuit form a mutual induction structure. In the inductively coupled filter in the embodiments of the present invention, the coil inductors are disposed on two substrates respectively. This can reduce an area occupied by the inductively coupled filter on each package substrate.
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