Procedimiento De Amplificador De Envolvente De Señales Moduladas En RF Para Técnicas EER Y ET
| Data(s) |
2011
|
|---|---|
| Resumo |
An envelope amplifier for an EER (Envelope Elimination and Restoration) and ET (Envelope Tracking) techniques is shown in this paper. The amplifier is based on a high speed two phases buck converter and employs RF LDMOS technology for the switching stage. A DPWM (Digital Pulse With Modulation) signal is used to control the amplifier by means of a functions generator. Simulations and measurements on a circuit prototype are presented showing a good agreement. Up to 125W output peak power can be delivered over a 5Ω load resistor. About 80% efficiency has been obtained. And at the two tone test, the third order intermodulation products (IP3) remain below 45dBc over a 2MHz bandwidth. |
| Formato |
application/pdf |
| Identificador | |
| Idioma(s) |
spa |
| Publicador |
E.U.I.T. Telecomunicación (UPM) |
| Relação |
http://oa.upm.es/13043/2/INVE_MEM_2011_109058.pdf http://www.ursi2011.org/ info:eu-repo/semantics/altIdentifier/doi/null |
| Direitos |
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ info:eu-repo/semantics/openAccess |
| Fonte |
Actas del XXVI Congreso de la URSI | XXVI Congreso de la URSI | 07/09/2011 - 09/09/2011 | Leganés, Madrid, España |
| Palavras-Chave | #Telecomunicaciones |
| Tipo |
info:eu-repo/semantics/conferenceObject Ponencia en Congreso o Jornada PeerReviewed |
