Patent ID: 8644198
Filing Date: 2014-02-04
Classification: H03F

Abstract:
1. A front end radio architecture (FERA) comprising: a transmitter block having a first output terminal and a second output terminal; a power amplifier (PA) having a first input terminal coupled to the first output terminal of the transmitter block, a second input terminal coupled to the second output terminal of the transmitter block, a first output terminal, and a second output terminal; a first split-band duplexer coupled to the first output terminal of the PA; and a second split-band duplexer coupled to the second output terminal of the PA, wherein the first split-band duplexer is active with a first carrier and the second split-band duplexer is active with a second carrier when the first carrier and the second carrier have an offset frequency equal to or greater than an associated half duplex frequency.