科研之友
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摘要
A novel adaptive current biased CLASS-A/shallow AB RF power amplifier is demonstrated in this paper. By theoretical deduction, a prototype is described to improve the linearity of a linear PA. With the realization on Jazz 0: 35 mu m SiGe HBT process and test verification, the novel adaptive current biased RF power amplifier shows 3 similar to 7 dB improvement of the ACPR at the output power of 19 dBm to meet the demand of CDMA IS95 spectrum mask without debasing the efficiency.
- 出版日期2010-8
- 单位清华大学
