System-in-package wireless communication device comprising prepackaged power amplifier
First Claim
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1. A system-in-package wireless communication device, comprising:
- a system-in-package substrate;
a transceiver mounted on the system-in-package substrate and configured to convert an input electric signal to a radio frequency signal;
a system-in-package enclosure configured to encapsulate at least the transceiver and part of the system-in-package substrate, wherein the system-in-package enclosure comprises a window;
a prepackaged power amplifier module mounted on the system-in-package substrate and under the window in the system-in-package enclosure, the prepackaged power amplifier module comprising;
a single-die substrate mounted on the system-in-package substrate;
a power amplifier die on the single-die substrate, the power amplifier die comprising a power amplifier circuit configured to produce an amplified radio frequency signal in response to the radio frequency signal and a power sensing circuit configured to detect the amplified radio frequency signal and to output a power sensing signal; and
a prepackage enclosure configured to encapsulate the power amplifier die on the single-die substrate, wherein the prepackage enclosure is exposed to the ambient environment through the window in the system-in-package enclosure; and
a base band processor mounted on the system-in-package substrate, wherein the base band processor is connected with the power sensing circuit and is configured to receive a power sensing signal from the power sensing circuit, the base band processor being configured to send the input electric signal to the transceiver.
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Abstract
A substantially rectangular shaped power amplifier module includes a power amplifier for amplifying radio frequency signals, a bias control terminal and a power sensing terminal disposed on the same side of the power amplifier module, an input terminal and a ground terminal disposed on the same side of the power amplifier module, and an output terminal and one or more power supply terminals disposed on the same side of the power amplifier module.
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Citations
24 Claims
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1. A system-in-package wireless communication device, comprising:
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a system-in-package substrate; a transceiver mounted on the system-in-package substrate and configured to convert an input electric signal to a radio frequency signal; a system-in-package enclosure configured to encapsulate at least the transceiver and part of the system-in-package substrate, wherein the system-in-package enclosure comprises a window; a prepackaged power amplifier module mounted on the system-in-package substrate and under the window in the system-in-package enclosure, the prepackaged power amplifier module comprising; a single-die substrate mounted on the system-in-package substrate; a power amplifier die on the single-die substrate, the power amplifier die comprising a power amplifier circuit configured to produce an amplified radio frequency signal in response to the radio frequency signal and a power sensing circuit configured to detect the amplified radio frequency signal and to output a power sensing signal; and a prepackage enclosure configured to encapsulate the power amplifier die on the single-die substrate, wherein the prepackage enclosure is exposed to the ambient environment through the window in the system-in-package enclosure; and a base band processor mounted on the system-in-package substrate, wherein the base band processor is connected with the power sensing circuit and is configured to receive a power sensing signal from the power sensing circuit, the base band processor being configured to send the input electric signal to the transceiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system-in-package wireless communication device, comprising:
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a system-in-package substrate comprising first electric interconnects; a transceiver mounted on the system-in-package substrate and configured to convert an input electric signal to a radio frequency signal; a prepackaged power amplifier module mounted on the system-in-package substrate, wherein the prepackaged power amplifier module comprises; a single-die substrate mounted on the system-in-package substrate, wherein the single-die substrate comprises second electric interconnects on a top surface of the single-die substrate, wherein the single-die substrate comprises a plurality of pads on a bottom surface of the single-die substrate and a conductive grounding island in the center of the bottom surface of the single-die substrate; and a power amplifier die on the single-die substrate, the power amplifier die comprising a power amplifier circuit electrically coupled to the second electric interconnects by wire bonding and a power sensing circuit configured to detect the amplified radio frequency signal and to output a power sensing signal, wherein the power amplifier circuit is configured to produce an amplified radio frequency signal in response to the radio frequency signal, wherein the second electric interconnects are configured to be electrically connected to the first electric interconnects when the single-die substrate is mounted onto the system-in-package substrate; a system-in-package enclosure configured to encapsulate at least the transceiver on the system-in-package substrate, wherein the system-in-package enclosure comprises a window configured to expose the prepackaged power amplifier module to the ambient environment; and a base band processor mounted on the system-in-package substrate, the base band processor being configured to send the input electric signal to the transceiver. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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24. A system-in-package wireless communication device, comprising:
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a system-in-package substrate comprising first electric interconnects; a transceiver mounted on the system-in-package substrate and configured to convert an input electric signal to a radio frequency signal; a base band processor mounted on the system-in-package substrate, the base band processor being configured to send the input electric signal to the transceiver; a system-in-package enclosure configured to encapsulate at least the transceiver on the system-in-package substrate, wherein the system-in-package enclosure comprises a window configured to expose the prepackaged power amplifier module to the ambient environment; and a prepackaged power amplifier module mounted on the system-in-package substrate, wherein the prepackaged power amplifier module comprises; a single-die substrate comprising second electric interconnects and mounted on the system-in-package substrate on a top surface of the single-die substrate, wherein the single-die substrate comprises a plurality of pads on the center of a bottom surface of the single-die substrate and a conductive grounding island in the center of the bottom surface of the single-die substrate; a power amplifier die on the single-die substrate, wherein the power amplifier die is substantially rectangular shaped and comprises a power amplifier circuit that is electrically coupled to the second electric interconnects and is configured to produce an amplified radio frequency signal in response to the radio frequency signal, wherein the power amplifier die comprises a power sensing circuit configured to detect the amplified radio frequency signal and to output the power sensing signal, wherein the second electric interconnects are configured to be electrically connected to the first electric interconnects when the single-die substrate is mounted onto the system-in-package substrate wherein the conductive grounding island on a bottom surface of the single-die substrate is positioned underneath the power amplifier die; and a prepackage enclosure configured to encapsulate the power amplifier die on the single-die substrate.
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Specification