The class - d voltage switching amplifier technology is adopted to develop the rf amplifier 載頻放大器采用高效率的class - d開關(guān)放大技術(shù)。
An integrated switch amplifier allows direct connection of the contact to a plc system 集成的開關(guān)放大器sva使接點(diǎn)能直接與plc系統(tǒng)相連。
Control circuit devices and switching elements proximity sensors , d . c . interface for proximity sensors and switching amplifiers 鄰近傳感器和開關(guān)放大器接口用直流控制電路裝置和開關(guān)元件鄰近直流傳感器
Namur low - voltage switchgear and controlgear - part 5 - 6 : control circuit devices and switching elements - dc interface for proximity sensors and switching amplifiers 低壓開關(guān)設(shè)備和控制設(shè)備.第5 - 6部分:控制電路設(shè)備和開關(guān)元件.近接傳感器和開關(guān)放大器用直流接口
Namur low - voltage switchgear and controlgear - part 5 - 6 : control circuit devices and switching elements - dc interface for proximity sensors and switching amplifiers 低壓開關(guān)設(shè)備和控制裝置.第5 - 6部分:控制電路器件和開關(guān)元件.接近傳感器和開關(guān)放大器用直流接口
Namur specification for low - voltage switchgear and controlgear - control circuit devices and switching elements - dc interface for proximity sensors and switching amplifiers - dc interface for proximity sensors and switching amplifiers 低壓開關(guān)設(shè)備和控制設(shè)備規(guī)范.控制電路器件和開關(guān)元件.近接傳感器和開關(guān)放大器用直流接口
The following conclusions were drawn from : firstly , the working principle of piezoelectric transformers ( pt ) and switch amplifiers are reaseached and their properties are tested 論文的主要內(nèi)容如下:一、研究了開關(guān)放大電路以及壓電變壓器的工作原理,實(shí)驗(yàn)測(cè)試壓電變壓器的工作特性,實(shí)現(xiàn)了振動(dòng)控制系統(tǒng)中功率放大系統(tǒng)的小型化。
The usage of digital signal and its merit in storage , transmission , and processing make people pursue to convert digital signal into pwm signal directly , which amplified through switching amplifier 數(shù)字信號(hào)源的廣泛使用及數(shù)字信號(hào)在存儲(chǔ)、傳輸和數(shù)據(jù)處理上的優(yōu)點(diǎn),使人們開始追求直接將數(shù)字信號(hào)轉(zhuǎn)換為pwm信號(hào),通過(guò)開關(guān)放大器進(jìn)行放大,省去傳統(tǒng)功放所需的模數(shù)轉(zhuǎn)換環(huán)節(jié)。
This dissertation focuses on the integration technology in the magnetic bearing system including permanent magnet biased axial - radial magnetic bearing , bearingless induction motor , novel switching amplifier used in mb and robust control of mb 電磁軸承集成技術(shù)是目前磁軸承高速電機(jī)領(lǐng)域研究的熱點(diǎn)。該技術(shù)對(duì)于提高系統(tǒng)的可靠性、減小轉(zhuǎn)子軸向長(zhǎng)度和體積,改善高速電機(jī)的動(dòng)態(tài)性能具有獨(dú)特的作用。