A radio frequency front end of a user equipment for reducing power consumption includes a
receive chain having a first low noise amplifier stage, a transmit chain including a first power …

A radio front end includes a power amplifier, a tone injection module, a duplexer, a
balancing network, and a processor. The tone injection module is operable, in a first mode …

Abstract A Radio Frequency (RF) circuit including a receive path, a transmit path, a switching
circuit, and an output configured to receive RF signals from an antenna in a receive mode of …

2 2 nectible to the second antenna, as well as an output con nectible to the receive chain of
the RF transceiver. A first matching and Switch network is connected to the first antenna, the …

A radio frequency (RF) circuit including control circuitry adapted to select one of multiple
modes, including a first transmit mode and a first receive mode. The first receive circuitry is …

A dual mode radio frequency (RF) front end circuit includes a first transformer for conversion
between a balanced and an unbalanced RF signal and a second transformer for conversion …

A front-end module is for use with at least three radio frequency bands. The front-end
module includes at least five signal paths, and an antenna switch to electrically connect an …

Provided is a switched multiplexer configured to combine first, second, third and fourth
signal paths each covering a sub-octave in a frequency range of from about 2 to about 18 …

(57) ABSTRACT A front-end module that uses a carrier aggregation scheme in which Band,
which is selected from a low-frequency band group, and Band, which is selected from a high …

Technology for a bi-directional radio frequency front-end (RFFE) architecture with high
selectivity performance is described. One RFFE has a first mixer that receives a LO signal …