Communication circuitry including amplifying module and an electronic device including the communication circuitry

Patent metadata

Field	Value
Publication number	US-12512871-B2
Application number	US-202217993582-A
Country	US
Kind code	B2
Filing date	Nov 23, 2022
Priority date	Oct 22, 2021
Publication date	Dec 30, 2025
Grant date	Dec 30, 2025

Abstract

An electronic device may include a communication processor, a transceiver, an antenna, a power supply module, and a communication circuit. The communication circuit includes an input terminal configured to acquire a signal transmitted from the transceiver, an amplifier module, an output terminal configured to transmit a signal to the transceiver, an antenna terminal connected to the antenna, a first switch connected to the input terminal and the amplifier module, a second switch connected to the amplifier module and the output terminal, and a third switch connected to the first switch, the second switch, and the antenna terminal.

First claim

What is claimed is:

1 . An electronic device comprising:
a communication processor; a transceiver; an antenna; a power supply module; and a communication circuit operatively connected to the communication processor, wherein the communication circuit comprises:
an input terminal configured to acquire a signal transmitted from the transceiver;
an amplifier module configured as a single component, the amplifier module comprising:
a first amplifier group including at least one drive amplifier configured to amplify the signal from the transceiver, and
a second amplifier group including at least one power amplifier connected to the at least one drive amplifier and configured to amplify a signal from the first amplifier group;

an output terminal configured to transmit a signal from the communication circuit to the transceiver;
an antenna terminal connected to the antenna;
a first switch connected to the input terminal and the amplifier module;
a second switch connected to the amplifier module and the output terminal; and
a third switch connected to the first switch, the second switch, and the antenna terminal,
wherein the communication processor is configured to:
control the first switch, the second switch, and the third switch to connect the at least one drive amplifier and the at least one power amplifier to the antenna during transmission mode, and to connect the at least one power amplifier to the antenna without connection with the at least one drive amplifier during reception mode such that a power gain during the transmission mode is higher than a power gain during the reception mode.

2 . The electronic device of claim 1 , wherein the communication processor is configured to control the first switch, the second switch, and the third switch, based on a transmission/reception mode of the signal being a transmission mode, so as to connect the input terminal, the amplifier module, and the antenna terminal in the communication circuit.

3 . The electronic device of claim 2 , wherein the communication processor is configured to control the power supply module, based on an operation mode being a high-gain transmission mode, so as to supply power corresponding to the high-gain transmission mode to the communication circuit.

4 . The electronic device of claim 2 , wherein the communication processor is configured to control the power supply module, based on an operation mode being a low-gain transmission mode, so as to supply power corresponding to the low-gain transmission mode to the communication circuit.

5 . The electronic device of claim 1 , wherein the communication processor is configured to control the first switch, the second switch, and the third switch, based on a transmission/reception mode of the signal being a reception mode, so as to connect the antenna terminal, the amplifier module, and the output terminal in the communication circuit.

6 . The electronic device of claim 5 , wherein the communication processor is configured to control the power supply module, based on an operation mode being a high-gain reception mode, so as to supply power corresponding to the high-gain reception mode to the communication circuit.

7 . The electronic device of claim 5 , wherein the communication processor is configured to control the power supply module, based on an operation mode being a low-gain reception mode, so as to supply power corresponding to the low-gain reception mode to the communication circuit.

8 . The electronic device of claim 1 , wherein the first amplifier group comprises a first drive amplifier and a second drive amplifier, and
wherein the second amplifier group comprises a first power amplifier and a second power amplifier.

9 . The electronic device of claim 8 , wherein the communication processor is configured to control the amplifier module,
in response to a transmission/reception mode and an operation mode being a high-gain transmission mode, so as to connect an amplifier input terminal, the first drive amplifier, the second drive amplifier, the first power amplifier, the second power amplifier, and an amplifier output terminal such that a transmission signal acquired through the amplifier input terminal is amplified by the first drive amplifier and the second drive amplifier, and the amplified signal is amplified by the first power amplifier and the second power amplifier and is output to the amplifier output terminal.

10 . The electronic device of claim 8 , wherein the communication processor is configured to control the amplifier module, in response to a transmission/reception mode and an operation mode being a low-gain transmission mode, so as to connect an amplifier input terminal, the first drive amplifier, the first power amplifier, and an amplifier output terminal such that a transmission signal acquired through the amplifier input terminal is amplified by the first drive amplifier, and the amplified signal is amplified by the first power amplifier and is output to the amplifier output terminal.

11 . The electronic device of claim 8 , wherein the communication processor is configured to control the amplifier module, in response to a transmission/reception mode and an operation mode being a high-gain reception mode, so as to connect an amplifier input terminal, the first drive amplifier, the first power amplifier, and an amplifier output terminal such that a reception signal acquired through the amplifier input terminal is amplified by the first drive amplifier, and the amplified signal is amplified by the first power amplifier and is output to the amplifier output terminal.

12 . The electronic device of claim 8 , wherein the communication processor is configured to control the amplifier module, in response to a transmission/reception mode and an operation mode being a low-gain reception mode, so as to connect an amplifier input terminal, the first drive amplifier, a bypass path, and an amplifier output terminal such that a reception signal acquired through the amplifier input terminal is amplified by the first drive amplifier and is output to the amplifier output terminal.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Moon John
• Na Hyoseok

Classifications

• H04B1/44

  Transmit/receive switching · CPC title

• H04B1/04

  Circuits · CPC title

• H04B2001/0408

  with power amplifiers · CPC title

• H04B2001/0416

  having gain or transmission power control · CPC title

• H03F3/68

  Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics {(power amplifiers using a combination of several semiconductor amplifiers H03F3/211; combinations of amplifiers using coupling networks with distributed constants H03F3/602)} · CPC title