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Journal Article
Adaptively Linearised MMIC Power Amplifier for W-CDMA Applications
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- Issue Date
- 2004-09
- Citation
- Electronics Letters, v.40, no.20, pp.1237-1238
- ISSN
- 0013-5194
- Publisher
- IET
- Language
- English
- Type
- Journal Article
- Abstract
- 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.