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A CMOS class-E outphasing RF power amplifier is presented with a new passive combining circuit that provides high efficiency and high output power. An efficiency enhancement circuit and a power enhancement circuit are proposed as part of the combiner that improve efficiency at power back-off and increase output power without violating reliability limits, respectively. The proposed power amplifier...
A high efficiency multi-mode class-E outphasing RF power amplifier with a passive combining circuit is presented. The multi-mode PA improves efficiency at lower power levels by switching ON and OFF individual branches and using Efficiency Enhancement Circuit (EEC). The proposed power amplifier is designed in 45nm CMOS technology. The PA delivers 31.6 dBm peak output power at 2.4GHz with 49.2% drain...
A high efficiency class-E outphasing RF power amplifier is presented using a new passive combining circuit. A Power Enhancement Circuit (PEC) and an Efficiency Enhancement Circuit (EEC) are also proposed as part of the combiner that increase output power without violating reliability limits and improve efficiency at power back-off, respectively. The proposed power amplifier is designed in 45nm CMOS...
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