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Balanced Intermodulation Reference With Flat Frequency Response Using Nonlinearity Equalization
IEEE Transactions on Electromagnetic Compatibility ( IF 2.0 ) Pub Date : 2020-12-01 , DOI: 10.1109/temc.2020.2981462
Qianwen Chen , Xiong Chen , David J. Pommerenke , Ming Yu

This letter proposes a balanced intermodulation (IM) reference source with constant IM magnitude-frequency response using the nonlinearity equalization method. In the design, the diode is working as the nonlinear source, while the excitation carriers are equalized versus frequency to stimulate diode; thus, a flat IM3 magnitude-frequency response can be obtained accordingly. The experiment demonstrates this designed IM source can provide flat IM3 magnitude-frequency response at 700 MHz, 1800 MHz, and 2600 MHz IM3 test bands with a fluctuation error less than 1.5 dB, while three typical reference magnitudes ranges from −80 dBm, −90 dBm to −100 dBm at 2 × 43 dBm are demonstrated also.

中文翻译:

使用非线性均衡具有平坦频率响应的平衡互调参考

这封信提出了一种使用非线性均衡方法具有恒定 IM 幅度-频率响应的平衡互调 (IM) 参考源。在设计中,二极管作为非线性源工作,同时激励载流子与频率均衡以激励二极管;因此,可以相应地获得平坦的 IM3 幅频响应。实验表明,这种设计的 IM 源可以在 700 MHz、1800 MHz 和 2600 MHz IM3 测试频段提供平坦的 IM3 幅度-频率响应,波动误差小于 1.5 dB,而三个典型的参考幅度范围为 -80 dBm、-90还演示了 2 × 43 dBm 时的 dBm 至 −100 dBm。
更新日期:2020-12-01
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