PURPOSE:To improve the reliability and to attan small size and light weight by inserting respectively a switch circuit between each midpoint of two lines having a characteristic being equivalent to an input/output impedance among 4 lines and ground. CONSTITUTION:The switch circuits 22, 23 are ...
Frequency circuit, high-frequency components, and multi-band communication device A high-frequency circuit for use in a multiband wireless apparatus for switching the connection between an antenna and transmission/reception circuits depe... 竹内 紳一朗 被引量: 0发表: 2009年 High-frequency circuit an...
SWITCH CIRCUIT AND HIGH-FREQUENCY MODULE Provided is a switch circuit with which it is possible to improve isolation characteristics relative to other circuits by effectively attenuating unnecessary signals such as harmonics. By appropriately designing the inductance of an indu... M Hayakawa 被引量: ...
Accordingly, an object of the present invention is to provide a miniaturized, high-performance, high-frequency switch circuit capable of switching transmission circuits and reception circuits of a plurality of systems with high-frequency switches, as a high-frequency circuit part used in a portable ...
Development of High Frequency Switching Power Supply for Electric Locomotive 电力机车用高频开关电源的研制 ilib.cn 9. A Novel High Frequency Switching Power Supply 高频新型开关电源 www.ilib.cn 10. Study on High Frequency Switching Power Supply for 25 Hz Track Circuits 25Hz轨道电路高频开关电源的研究...
Review of High-Performance Three-Phase Power-Factor Correction Circuits 热度: AMixed-SignalASICPower-Factor-Correction(PFC)ControllerforHighrequencySwitchingRecti,ers ReganZaneandDraganMaksimovi´c ColoradoPowerElectronicsCenter(CoPEC)DepartmentofElectricalandComputerEngineeringUniversityofColorado(Boulder)CO80309-...
The switching circuitry has numerous applications, e.g. in power down circuits, video or telephone switches, or any other application where the required frequency of switching may be lower than the transmitted frequency. 展开 收藏 引用 批量引用 报错 分享 ...
HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY COMPONENT, AND COMMUNICATION DEVICE A high-frequency circuit comprising first and second antenna terminals, a transmitting terminal and first and second receiving terminals for first and second communications systems, and first and second switch circuits each having ...
Switch circuit and composite high frequency elementsA switch circuit for switching the connection of the receiving or transmitting circuits of two communication systems to an antenna circuit, which comprises first and second switch means having two switching elements, the first switch means comprising a...