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US 12,744,495 B2Granted
Transmit/receive (TRx) interface for Doherty operation
AssigneeQUALCOMM Incorporated
InventorsMaziar Hedayati, Mohammad Javad Asadi, Chuan Wang, Chinmaya Mishra
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Abstract
An apparatus includes a main power amplifier (PA) and an auxiliary PA of a Doherty power amplifier coupled to an electromagnetic (EM) structure having a plurality of branches, capacitances selectively coupled to an output of the main PA and to an output of the aux PA, respectively, a low noise amplifier (LNA) coupled to the EM structure, and a port comprising an antenna interface coupled to the EM structure.
Claims20
An apparatus, comprising:
- a main power amplifier (PA) and an auxiliary PA of a Doherty power amplifier coupled to an electromagnetic (EM) structure having a plurality of branches;
- capacitances selectively coupled to an output of the main PA and to an output of the aux PA, respectively;
- a low noise amplifier (LNA) coupled to the EM structure;
- and
- a port comprising an antenna interface coupled to the EM structure.
2 more elements
A method for transmission and reception, comprising:
- conveying communication signals between a main power amplifier (PA) and an auxiliary PA of a Doherty power amplifier and an antenna port through an electromagnetic (EM) structure having a plurality of branches;
- conveying communication signals between a low noise amplifier (LNA) and the antenna port through the EM structure;
- and
- selectively coupling capacitances to outputs of the main PA and the auxiliary PA, respectively.
1 more element
A device, comprising:
- means for electromagnetically conveying communication signals between a main power amplifier (PA) and an auxiliary PA of a Doherty power amplifier and an antenna port;
- means for electromagnetically conveying communication signals between a low noise amplifier (LNA) and the antenna;
- and
- means for selectively coupling capacitances to outputs of the main PA and the auxiliary PA, respectively.
1 more element
Dependencies are inferred from the claim text.