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摘要
This article reports new predistorters using mixing operation. For compensate the memory effect of the power amplifier, the lower and upper third-order intermodulation components in the PD are controlled independently. From the measured results for a two-tone signal with 20-MHz tone spacing, the significant IM.3 cancellation over 40 dB is achieved over a whole output power range.
- 出版日期2007-10
