Power amplifying device
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorKyu Jin Choi
Life of this patent
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Abstract
A power amplifying device includes a first amplification circuit amplifying a first signal having a first frequency component and a second frequency component; a second amplification circuit amplifying a second signal received through an output node of the first amplification circuit; a filter circuit connected between a ground node of the first amplification circuit and a common ground to pass the first and second frequency components to the common ground through the ground node; and an inverting circuit that phase-inverts a signal including second harmonic components of the first and second frequency components that are received through the ground node of the first amplification circuit and provide the phase inverted signal to the output node of the first amplification circuit.
Claims21
A power amplifying device comprising:
- a first amplification circuit configured to amplify a first signal having a first frequency component and a second frequency component;
- a second amplification circuit configured to amplify a second signal received through an output node of the first amplification circuit;
- a filter circuit connected between a ground node of the first amplification circuit and a common ground, and configured to pass the first frequency component and the second frequency component to the common ground through the ground node;
- and
- an inverting circuit configured to phase-invert a signal that includes second harmonic components of the first frequency component and the second frequency component received through the ground node of the first amplification circuit and provide the phase inverted signal to the output node of the first amplification circuit.
A power amplifying device comprising:
- a first amplification circuit configured to amplify a signal having a first frequency component and a second frequency component;
- a second amplification circuit configured to amplify a signal received through an output node of the first amplification circuit;
- a resonance circuit connected between a ground node of the first amplification circuit and a common ground to pass the first frequency component and the second frequency component to the ground through the ground node;
- and
- an inverting amplification circuit configured to phase-invert a signal including second harmonic components of the first frequency component and the second frequency component received through the ground node of the first amplification circuit and provide the phase inverted second harmonic components to an output node of the first amplification circuit, and configured to generate phase inverted third-order intermodulation distortion signals for the first frequency component and the second frequency component and provide the phase inverted third-order intermodulation distortion signals to the output node of the first amplification circuit.
A power amplifying device comprising:
- a first amplification circuit configured to amplify a first signal having a first frequency component and a second frequency component, and generate second harmonic components of the first frequency component and the second frequency component and third-order intermodulation distortion components of the first frequency component and the second frequency component;
- a second amplification circuit configured to amplify a second signal received through an output node of the first amplification circuit;
- a filter circuit connected between a ground node of the first amplification circuit and a common ground, and configured to pass the first frequency component and the second frequency component to the common ground;
- and
- an inverting circuit connected to the output node of the first amplification circuit and the ground node, and configured to phase-invert a signal received from the ground node that includes second harmonic components of the first frequency component and the second frequency component.
Dependencies are inferred from the claim text.