Frequency translation and applications of the same are described herein, including RF
modem and wireless local area network (WLAN) applications. In embodiments, the WLAN …

Methods, systems, and apparatuses, and combinations and sub-combinations thereof, for
down-converting an electromagnetic (EM) signal are described herein. Briefly stated, in …

A balanced transmitter up-converts I and Q baseband signals directly from baseband-to-RF.
The up-conversion process is sufficiently linear that no IF processing is required, even in …

Methods and apparatuses for reducing DC offsets in a communication system are described.
In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network …

Methods, systems, and apparatuses, and combinations and sub-combinations thereof, for
down-converting an electromagnetic (EM) signal are described herein. Briefly stated, in …

A balanced transmitter up-converts a baseband signal directly from baseband-to-RF. The up-
conversion process is sufficiently linear that no IF processing is required, even in …

Frequency translation and applications of same are described herein. Such applications
include, but are not limited to, frequency down-conversion, frequency up-conversion …

Frequency translation and applications of same are described herein. Such applications
include, but are not limited to, frequency down-conversion, frequency up-conversion …

Methods, systems, and apparatuses for down-converting and up-converting an
electromagnetic signal. In embodiments, the invention operates by receiving an …

An RF output power amplifier (PA) of a cellular telephone includes first and second Class AB
amplifier circuits. If the cellular telephone is to operate in a high power operating mode, then …