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April 2007 [Communications] Monitor And Control Base-Station Power Amps Cellular-communications evolution has involved increasingly advanced modulation schemes. In the latest-generation (2.5G and 3G) base stations, design strategies include methods for achieving high linearity while also minimizing power consumption. By monitoring and controlling the performance of the base station's power amplifier (PA), for example, it is possible to maximize the PA's output power while achieving optimum linearity and efficiency. Fortunately, the... |
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