Wideband RF device
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United States of America Patent
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Apr 4, 2017
Issued Date -
N/A
app pub date -
Jul 20, 2015
filing date -
Jul 20, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An RF device includes an impedance transformation circuit having a plurality of first RF couplers. Each first RF coupler includes a first portion of a first transmission line winding disposed on at least one first printed circuit board (PCB) and is configured to be electromagnetically coupled to a first portion of a second transmission line winding disposed on at least one second printed circuit board (PCB). The RF device also includes a balun circuit includes a plurality of second RF couplers coupled to balanced port connections, each second RF coupler including a second portion of the first transmission line winding wound around the first portion of a first transmission line winding and configured to be electromagnetically coupled to a second portion of the second transmission line winding wound around the first portion of a second transmission line winding.
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