文中采用数值迭代法和建立等效电流模型,对P_B层结构参数和门极-阴极几何图形尺寸进行了合理设计。
Reasonable designs of the structure parameters of PB layer and the gate-cathode geometry are obtained by numerical iteration and an equivalent current model.
计算了在100V门电压下不同顶端半径的场致发射电流。结果显示,场发射对顶端半径有很强的依赖性。
Field emission currents were calculated for different apex radii at the gate voltage of 100v, and the results indicated that the field emission largely depends on the apex radius.
一旦器件(晶闸管)导通,门极电流即可去掉。
Once the device begins to conduct, it is latched on and the gate current can be removed.
降低磁通门剩磁误差的有效方法是增大激励电流的峰值,但大的激励电流峰值将增大功耗。
An effective method for low perming error of fluxgates is to enlarge the peak value of the excitation current, but large amplitude excitation will increase the power consumption.
这种输出特性还便于AD590实现多路复用:输出电流可以通过一个CMOS多路复用器切换,或者电源电压可以通过一个逻辑门输出切换。
The output characteristics also make the AD590 easy to multiplex: the current can be switched by a CMOS multiplexer or the supply voltage can be switched by a logic gate output.
如果栅极电阻更是降低了,门极电流的5毫安将会更早的周期内达到和SCR将提早火。
If the gate resistance is reduced even more, the 5ma of gate current will be reached even sooner during the cycle and the SCR will fire earlier.
给出了多个GTO元件关断时的电流、电压波形。 并对其门极电流、电压波形进行了分析和比较。
The paper gives the current and voltage waveforms of multi GTO devices at turn-off, analyzes and compares the waveforms of gate current and voltage.
分析还表明,若考虑次级线圈的铜电阻和耦合电容的容抗,用次级线圈匝数的倒数及其二次项表示电流输出型磁通门的灵敏度具有更高的精度。
The analysis also shows that using reciprocal turns and its square to describe the sensitivity can be more precise, if the copper resistance and the impedance of the coupling capacitor are considered.
该文全面和系统地介绍了一门新兴的学科——电流变技术。
A new discipline - Electorheological technology is introduced systematically in this paper.
其次对集成电路内所需要的基本模拟及数字电路如有源电阻、电流镜、电压比较器、与门及或门进行了设计和仿真。
Then the all basic-circuits are also designed and simulated carefully including active resister, current mirrors, comparator, inverter, AND gate, OR gate.
限流过程包括两次电流转移:快速开关至门极关断晶闸管,再至限流电阻。
The operation of the SCCL involves two current transferring processes, i. e. the fast switch transfers the short circuit current to the GTO and then the GTO to the limiting resistor.
该文提出一种采用一个门极可关断开关和六个晶闸管的新的PWM电流源逆变器,此电路通过有源换流来实现传统的晶闸管CSI的脉宽调制。
The paper presents a new PWM CSI using only one gate turn off switch and six thyristors. The converter uses active commutation to realize PWM in a conventional thyristor-based CSI.
该文提出一种采用一个门极可关断开关和六个晶闸管的新的PWM电流源逆变器,此电路通过有源换流来实现传统的晶闸管CSI的脉宽调制。
The paper presents a new PWM CSI using only one gate turn off switch and six thyristors. The converter uses active commutation to realize PWM in a conventional thyristor-based CSI.
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