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发表于 2006-8-6 22:33:00
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paper5
补充下内容:Abstract- A reconfigurable power amplifier (PA) is studied
in this paper, dedicated to multi-mode, multi-standard radio
frequency front-end (RFFE), from a low cost approach. The
reconfigurable amplifier topology is presented, made up of twostages
independently controllable by the biasing scheme
proposed -#hieh allows the dynamic modification of the
quiescent current of the RF transistor, to adapt both its linearity
and its output power in order to fulfill different standards
specifications. |
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