quadrature coupler 中文意思是什麼
quadrature coupler
解釋
正交耦合器- quadrature : n. 1. 【數學】求積分，求面積。2. 【天文學】矩；（月的）上[下]弦；方照。3. 【物理學】正交；轉象差；九十度相位差。
- coupler : n. 1. 連結者，配合者。2. 聯結器；【無線電】耦合器；【鐵路】車鉤；【攝影】發色劑；【音樂】（風琴上連結兩組鍵盤的）聯奏器。
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It is presented that the theory and the manufacturing technology of such analog phase shifter, which are made from conventional 3db quadrature hybrids coupler with two identical varactor - diode networks to provide a shifted phase that varies continuously with biased dc voltage. several analog phase shifters have been made for different operating frequencies. each phase shifter has phase range more than 180, return loss better than - 20db, insertion loss 4. 8db including 3db attenuator, transmission difference less than0. 075 db. computer code phases. bas can present the referenced component values
介紹了利用鐵氧體磁環製作窄帶3db耦合器的原理和方法，詳細分析了利用此耦合器設計製作模擬壓控移相器的理論和製作技巧，以及所製作的多種頻率的壓控移相器的測試技術指標和實際運行情況。
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