dc insertion 中文意思是什麼
dc insertion
解釋
直流分量插入-
The low insertion loss is achieved by optimizing the transistor widths and bias voltages, by minimizing the substrate resistances, and by dc biasing the transmit and receive nodes, which decreases the capacitances while increasing the p1db
通過優化mosfet的柵寬及偏置電壓可以降低插入損耗。在版圖設計中通過增加襯底接觸降低襯底電阻，從而減小插入損耗。另外，為接收和發送端提供直流偏置可以降低p1db 。 -
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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