“…Hence, high efficiency over a broad range of power levels is achieved. The high efficiency power range can be extended through asymmetry where the peaking amplifier is sized larger in power capability compared with the carrier amplifier [39].…”
Section: Theory Of Operationmentioning
confidence: 99%
“…In modern cellular communications systems, Doherty PAs have been targeted in both mobile handsets [39], [40] as well as for high power infrastructure transmitters [41]- [43]. For mobile handsets, the input splitter and output combiner network are generally implemented in lumped element form due to requirement for minimal size and packaging constraints.…”
Section: Implementations For Cellular Communicationsmentioning
“…Hence, high efficiency over a broad range of power levels is achieved. The high efficiency power range can be extended through asymmetry where the peaking amplifier is sized larger in power capability compared with the carrier amplifier [39].…”
Section: Theory Of Operationmentioning
confidence: 99%
“…In modern cellular communications systems, Doherty PAs have been targeted in both mobile handsets [39], [40] as well as for high power infrastructure transmitters [41]- [43]. For mobile handsets, the input splitter and output combiner network are generally implemented in lumped element form due to requirement for minimal size and packaging constraints.…”
Section: Implementations For Cellular Communicationsmentioning
“…"High" refers to the higher frequency band and "Low" refers to the lower frequency band used in the WCDMA cell phone standard. From [22]. The rule of thumb is that a higher load impedance is required for lower output power levels to get good PAE.…”
Section: Linear Power Amplifi Er Design and Its Architecturementioning
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