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介绍了利用铁氧体磁环制作窄带 3dB耦合器的原理和方法 ,详细分析了利用此耦合器设计制作模拟压控移相器的理论和制作技巧 ,以及所制作的多种频率的压控移相器的测试技术指标和实际运行情况。
The principle and method of making narrow band 3dB coupler by using ferrite magnetic ring are introduced. The theory and technique of using this coupler to design and manufacture analog voltage-controlled phase shifter are analyzed in detail. The pressure-controlled displacement Phase testing of the technical indicators and the actual operation.