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设计制作了一个从22.8GHz到68.4GHz的封装型变容管三倍频器,这是目前报导的用封装型变容管所达到的最高频率。该倍频器在结构上实现了空闲回路独立可调,从而提高了倍频效率。当频率为22.8GHz而输入功率为47mW时,最大三次谐波输出为4.9mW,最大倍频效率为10.4％,输出频率至少在2GHz的范围内倍频效率不低于7％。
A package varactor tripler from 22.8GHz to 68.4GHz has been designed and manufactured, the highest reported frequency with package varactors. The frequency multiplier in the structure to achieve an independent adjustable free loop, thereby enhancing the frequency multiplication efficiency. When the frequency is 22.8GHz and the input power is 47mW, the maximum third harmonic output is 4.9mW, the maximum frequency doubling efficiency is 10.4% and the output frequency is not less than 7% at least within the frequency range of 2GHz.