IP Library › Granted Patent US 11,265,028
Granted Patent B2
US 11,265,028 · App. 17/114,497 · Granted Mar 1, 2022

Radio frequency module and communication device

Inventor: Takanori Uejima (Nagaokakyo, JP)
Assignee: MURATA MANUFACTURING CO., LTD.
H04B1/0475H04B1/006H04B1/04H04B1/10H04B1/40H04W52/243H04W52/52H04W88/06H04B2001/0408H04B2001/0416
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Quick Facts
Patent No.
US 11,265,028
App. No.
17/114,497
Granted
Mar 1, 2022
Kind
B2
Abstract

A radio frequency module includes a first transmission power amplifier configured to amplify a radio frequency signal of a first communication band, a second transmission power amplifier configured to amplify a radio frequency signal of a second communication band, and a module board which includes a first principal surface and a second principal surface on opposite sides of the module board, and on which the first transmission power amplifier and the second transmission power amplifier are mounted. The first transmission power amplifier is disposed on the first principal surface, and the second transmission power amplifier is disposed on the second principal surface.

Claims (38)

1. A radio frequency module, comprising:

a first transmission power amplifier configured to amplify and output a radio frequency signal of a first communication band;

a second transmission power amplifier configured to amplify and output a radio frequency signal of a second communication band; and

a module board which includes a first principal surface and a second principal surface on opposite sides of the module board, wherein

the first transmission power amplifier and the second transmission power amplifier are capable of outputting simultaneously,

the first transmission power amplifier is disposed on the first principal surface, and

the second transmission power amplifier is disposed on the second principal surface.

2. The radio frequency module according to claim 1 , wherein

in a plan view of the module board, the first transmission power amplifier and the second transmission power amplifier do not overlap.

3. A communication device, comprising:

an RF signal processing circuit configured to process a radio frequency signal which is transmitted or received by an antenna element; and

the radio frequency module according to claim 1 configured to propagate the radio frequency signal between the antenna element and the RF signal processing circuit.

4. The radio frequency module according to claim 1 , further comprising:

a switch including a first terminal connected to an antenna element, a second terminal connected to a first transmission path including the first transmission power amplifier, and a third terminal connected to a second transmission path including the second transmission power amplifier, the switch being capable of simultaneously establishing connection between the first terminal and the second terminal and connection between the first terminal and the third terminal.

5. A radio frequency module, comprising:

a first transmission power amplifier configured to amplify a radio frequency signal of a first communication band;

a second transmission power amplifier configured to amplify a radio frequency signal of a second communication band; and

a first transmission output matching circuit connected to an output terminal of the first transmission power amplifier;

a second transmission output matching circuit connected to an output terminal of the second transmission power amplifier, and

a module board which includes a first principal surface and a second principal surface on opposite sides of the module board, wherein

the first transmission output matching circuit includes a first inductance element mounted on the first principal surface,

the second transmission output matching circuit includes a second inductance element mounted on the second principal surface,

the first transmission power amplifier is disposed on the first principal surface, and

the second transmission power amplifier is disposed on the second principal surface.

6. The radio frequency module according to claim 5 , wherein

the first transmission power amplifier and the second transmission power amplifier are capable of outputting simultaneously.

7. The radio frequency module according to claim 5 , further comprising:

a switch including a first terminal connected to an antenna element, a second terminal connected to a first transmission path including the first transmission power amplifier, and a third terminal connected to a second transmission path including the second transmission power amplifier, the switch being capable of simultaneously establishing connection between the first terminal and the second terminal and connection between the first terminal and the third terminal.

8. A radio frequency module, comprising:

a module board which includes a first principal surface and a second principal surface on opposite sides of the module board;

a first transmission power amplifier mounted on the first principal surface and configured to amplify a radio frequency signal of a first communication band;

a second transmission power amplifier mounted on the second principal surface and configured to amplify a radio frequency signal of a second communication band;

a first transmission filter disposed in a first transmission path including the first transmission power amplifier, the first transmission filter being mounted on the first principal surface; and

a second transmission filter disposed in a second transmission path including the second transmission power amplifier, the second transmission filter being mounted on the second principal surface.

9. The radio frequency module according to claim 8 , wherein

the first transmission power amplifier and the second transmission power amplifier are capable of outputting simultaneously.

10. The radio frequency module according to claim 8 , further comprising:

a switch including a first terminal connected to an antenna element, a second terminal connected to the first transmission path including the first transmission power amplifier, and a third terminal connected to the second transmission path including the second transmission power amplifier, the switch being capable of simultaneously establishing connection between the first terminal and the second terminal and connection between the first terminal and the third terminal.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 9, 2021
From: UEJIMA, TAKANORI
To: MURATA MANUFACTURING CO., LTD.
Reel/Frame 055201/0464 →
Priority Claims (1)
JP JP2018-111070 · Jun 11, 2018 · national
Continuity (2)
Continuation PCTJP2019022988 · Jun 10, 2019
Related Publication 20210153138A1 · May 20, 2021
Cited By (2)
US 12,237,849 US 12,665,626