直接QPSK调制器点对点无线电链路在23ghz

5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service. TELSIKS 2001. Proceedings of Papers (Cat. No.01EX517) Pub Date : 2001-09-19 DOI:10.1109/TELSKS.2001.954879

B. Jokanović, S. Stojanovic, M. Perić

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引用次数: 11

摘要

介绍了一种用于地面点对点无线电链路的简易直接QPSK调制器的设计和特点。这种调制器使一个紧凑，低成本和高效率的发射机。在21.0 ~ 24.0 GHz频率范围内，无需调谐，边带抑制效果好，大于25 dB。在3ghz带宽下，插入损耗小于8db，载波抑制约为22db。

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Direct QPSK modulator for point-to-point radio link at 23 GHz

The design and characteristics of a simple direct QPSK modulator for a terrestrial point-to-point radio link is presented. This modulator enables a compact, low cost and high efficiency transmitter. Good sideband suppression, greater then 25 dB is obtained in the frequency range 21.0 to 24.0 GHz, without tuning. The insertion loss is less than 8 dB in 3 GHz bandwidth and the carrier suppression is about 22 dB.

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5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service. TELSIKS 2001. Proceedings of Papers (Cat. No.01EX517)

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