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A new quad-band/dual-band power amplifier (PA) module has been developed for use with dual-mode GSM and EDGE handsets. The RMPA1852 PA module was designed to deliver the highest power efficiency in EDGE mode without sacrificing performance in GSM mode. The product achieves 27 percent power-added efficiency (PAE) in EDGE...
With the emphasis today on smaller and lighter cellular phones, battery size and weight is of paramount importance. Talk time, however, must not suffer. Therefore, low DC current consumption is a must. This relates specifically to the power amplifier since it is the main current drain in the handset....
