Electronic device adaptively changing power supply circuit connected to power amplifier for transmit power of signal

Patent metadata

Field	Value
Publication number	US-2025007542-A1
Application number	US-202418765018-A
Country	US
Kind code	A1
Filing date	Jul 5, 2024
Priority date	Jun 27, 2023
Publication date	Jan 2, 2025
Grant date	—

Abstract

An electronic device is provided. The electronic device includes a first antenna. The electronic device includes a second antenna. The electronic device includes power supply circuitry including a first power supply circuit and a second power supply circuit. The electronic device includes a first front end module (FEM) including a power amplifier (PA) connected to the first power supply circuit and connectable to the second power supply circuit. The electronic device includes a second FEM including a PA connected to the second power supply circuit and connectable to the first power supply circuit. The electronic device includes at least one processor comprising processing circuitry.

First claim

What is claimed is:

1 . An electronic device comprising:
memory, storing instructions, comprising one or more storage mediums; a first antenna; a second antenna; power supply circuitry including a first power supply circuit and a second power supply circuit; a first front end module (FEM) including a power amplifier (PA) connected to the first power supply circuit and connectable to the second power supply circuit; a second FEM including a PA connected to the second power supply circuit and connectable to the first power supply circuit; and at least one processor comprising processing circuitry, wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to: control the power supply circuitry to disconnect the PA in the first FEM from the second power supply circuit to transmit a signal, with a transmit (Tx) power obtained using the PA in the first FEM operating based on a voltage from the first power supply circuit, via the first antenna; control the power supply circuitry to disconnect the PA in the second FEM from the first power supply circuit to transmit a signal, with a Tx power obtained using the PA in the second FEM operating based on a voltage from the second power supply circuit, via the second antenna; and control the power supply circuitry to connect the PA in the second FEM to the first power supply circuit to transmit a signal, with a Tx power obtained using the PA in the second FEM operating based on a voltage from the second power supply circuit from among the first power supply circuit and the second power supply circuit, via the second antenna.

2 . The electronic device of claim 1 , wherein a connection between the PA in the first FEM and the first power supply circuit and a connection between the PA in the second FEM and the second power supply circuit are configured to be maintained independently of whether the PA in the second FEM is connected to the first power supply circuit.

3 . The electronic device of claim 2 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
disable transmitting a signal via the first antenna using the PA in the first FEM, while the PA in the second FEM is connected to the first power supply circuit.

4 . The electronic device of claim 3 , wherein the second power supply circuit is configured to be disabled while the signal is transmitted via the second antenna with the Tx power obtained using the PA in the second FEM operating based on the voltage from the first power supply circuit from among the first power supply circuit and the second power supply circuit.

5 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
control the power supply circuitry to connect the PA in the first FEM to the second power supply circuit to transmit a signal, with a Tx power obtained using the PA in the first FEM operating based on a voltage from the second power supply circuit from among the first power supply circuit and the second power supply circuit, via the first antenna.

6 . The electronic device of claim 5 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
disable transmitting a signal via the second antenna using the PA in the second FEM, while the PA in the first FEM is connected to the second power supply circuit.

7 . The electronic device of claim 6 , wherein the first power supply circuit is configured to be disabled while the signal is transmitted with the Tx power obtained using the PA in the first FEM operating based on the voltage from the second power supply circuit from among the first power supply circuit and the second power supply circuit via the first antenna.

8 . The electronic device of claim 1 , wherein the PA in the first FEM is connected to the second power supply circuit while the PA in the second FEM is connected to the first power supply circuit.

9 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
control the power supply circuitry to connect the PA in the second FEM to both the first power supply circuit and the second power supply circuit to transmit a signal, with a Tx power obtained using the PA in the second FEM operating based on a voltage from both the first power supply circuit and the second power supply circuit, via the second antenna.

10 . The electronic device of claim 9 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
disable transmitting a signal via the first antenna using the PA in the first FEM, while the signal is transmitted via the second antenna with the Tx power obtained using the PA in the second FEM operating based on the voltage from both the first power supply circuit and the second power supply circuit.

11 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
control the power supply circuitry to connect the PA in the first FEM to both the first power supply circuit and the second power supply circuit to transmit a signal, with a Tx power obtained using the PA in the first FEM operating based on a voltage from both the first power supply circuit and the second power supply circuit, via the first antenna.

12 . The electronic device of claim 11 , wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to:
disable transmitting a signal via the second antenna using the PA in the second FEM, while the signal is transmitted via the first antenna with the Tx power obtained using the PA in the first FEM operating based on the voltage from both the first power supply circuit and the second power supply circuit.

13 . The electronic device of claim 1 , wherein the power supply circuitry includes:
a first pin connected to the PA in the first FEM; a second pin connected to the PA in the second FEM; and a switch including a first terminal connected to a first path from the first power supply circuit to the first pin and a second terminal connected to a second path from the second power supply circuit to the second pin, and wherein the instructions, when executed by the at least one processor, individually or collectively, cause the electronic device to: control the power supply circuitry to control the switch to disconnect the first terminal from the second terminal for disconnecting the PA in the first FEM from the second power supply circuit and disconnecting the PA in the second FEM from the first power supply circuit; and control the power supply circuitry to control the switch to connect the first terminal to the second terminal for connecting the PA in the second FEM to the first power supply circuit.

14 . The electronic device of claim 1 , wherein the power supply circuitry includes:
a first pin connected to the PA in the first FEM; a second pin connected to the PA in the second FEM; and a switch including a first terminal connected to the first power supply circuit, a second terminal connected to the second power supply circuit, a third terminal connected to the first pin, and a fourth terminal connected to the second pin, and wherein the instructions, when executed by

Assignees

• Samsung Electronics Co Ltd

Inventors

• Moon Yohan
• Na Hyoseok
• Kang Hyunsang
• Yang Dongil

Classifications

• H04B2001/0416

  having gain or transmission power control · CPC title

• H03F3/195

  in integrated circuits · CPC title

• H03F1/0222

  by using a signal derived from the input signal · CPC title

• H04B1/40 Primary

  Circuits · CPC title

• H03F2200/511

  Many discrete supply voltages or currents or voltage levels can be chosen by a control signal in an IC-block amplifier circuit · CPC title