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Adaptively linearised MMIC power amplifier for W-CDMA applications

Adaptively linearised MMIC power amplifier for W-CDMA applications

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A high-linearity and high-efficiency MMIC power amplifier is proposed that adopts a new on-chip adaptive bias circuit, which simultaneously improves efficiency at the low output power level and linearity at the high output power level. The intelligent W-CDMA power amplifier using the adaptive bias circuit extends the maximum linear output power of 0.6 dB and exhibits an improvement of average power usage efficiency of 1.85 times.

http://iet.metastore.ingenta.com/content/journals/10.1049/el_20046323
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