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本文描述了一种用于94GHz数字通信系统中的低插损BPSK调制器.该调制器采用一环行器与一低插损的移相器相串联结构.在相位误差±5°范围内,插入损耗低于3.8dB、带宽2.5GHz.其电路结构及实验结果亦在文中给出.
This article describes a low insertion loss BPSK modulator for use in a 94 GHz digital communication system that uses a circulator in series with a low insertion loss phase shifter that is inserted within ± 5 ° of the phase error The loss is less than 3.8dB and the bandwidth is 2.5GHz. The circuit structure and the experimental results are also given in the text.