Radio-frequency power amplifier device
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United States of America
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Mar 26, 2024
Grant Date -
N/A
app pub date -
Feb 17, 2022
filing date -
Feb 17, 2022
priority date (Note) -
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Abstract
A radio-frequency power amplifier device includes: a carrier amplifier semiconductor device and a peak amplifier semiconductor device on a multilayer submount substrate; a bias power supply semiconductor device; second radio-frequency signal wiring that transmits a radio-frequency signal to the carrier amplifier semiconductor device and the peak amplifier semiconductor device; and carrier-amplifier bias power supply wiring that is wired in a third wiring layer and supplies a bias power supply voltage. The second radio-frequency signal wiring and the carrier-amplifier bias power supply wiring intersect in a plan view. The radio-frequency power amplifier device includes: a shield pattern that is located in a second wiring layer between a first wiring layer and the third wiring layer; and one or more connection vias disposed in an extension direction of the carrier-amplifier bias power supply wiring. The one or more connection vias are connected to the shield pattern.
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