English |
Chinese |
these…are not discussed here.
Eg. These more analog topics are not discussed here. |
关于…的内容,这里就不讨论了
拟译:关于模拟电路方面的详细内容,这里就不讨论了。 |
Most notably… |
主要是…(补充说明) |
Yet there are numerous instances in which discrete semiconductors, most notably diodes and transistors, are required to complete a system. |
但仍有很多使用分立式半导体元件,主要是二极管和三极管,来构成系统的例子。 |
By the junctions of …
Diodes are formed by the junctions of two semiconductor materials of slightly differing properties. |
把…结合在一起
二极管是把两种特性稍有不同的半导体材料结合在一起所构成的。 |
In the case of xx, … |
对于xx,…… |
Along this pn junction is where the physical phenomenon occurs that creates a diode. |
二极管就是利用在PN结上产生的特殊物理现象而工作的。 |
Above VF, the diode presents very low impedance |
高于VF后,二极管表现出很小的阻抗。 |
Subject to
Normal diodes are usually not subjected to reverse bias voltages sufficient to achieve significant conduction. |
本意:使遭受…;
引申义:工作在…
拟译:一般的二极管通常不会工作在很大的反向偏压下。 |
Be designed specifically to …
Eg. Special-purpose Zener diodes are designed specifically to operate under reverse-bias conditions. |
专门…
拟译:特殊设计的齐纳二极管专门工作在反向偏压下。 |
Saying that ….really means that …
Eg. Saying that a diode conducts “infinite” current beyond VF really means that its impedance becomes so low that It no longer becomes the limiting factor in a circuit. |
我们说……实际上是指……
拟译:我们说二极管在VF以上导通的电流无穷大,实际上是指它的阻抗变得如此之小,以致它不再成为电路中的限制因素。 |
Be specified with …
Diodes are specified with maximum forward current. |
有一个…指标
拟译:每个二极管都有一个最大正向电流指标。 |
When a diode is used in an application wherein it may be forward biased and driven with excessive current, … |
拟译:在应用中如果二极管正向偏置时的驱动电流很大,就要…… |
xx Be useful for doing …
eg. Diodes are useful for providing a fixed voltage reference regardless of a circuit’s operating voltage. |
Xx可以……
拟译:二极管可以提供一个稳定的基准电压,而无论电路的实际电压是多大。 |
A loosely regulated supply |
一个只经过简单稳压的电源 |
In this manner
Using a basic small signal diode in this manner is an effective scheme for many applications. |
照这样
在很多应用场合中,照这样使用一个基本小信号二极管都是一个很有效的方案。 |
Available
Diodes are available with a broad spectrum of characteristics. |
可供使用
拟译:有各种各样特性的二极管可供使用。 |
Provide benefits for
Lower forward voltages provide benefits for high-power applications in which heat and power dissipation are prime concerns. |
对…十分有益
拟译:较低的正向导通电压对主要考虑热量和功耗问题的大功率应用十分有益。 |
Diodes are manufactured in a variety of packages according to the amount of power that they are designed to handle. |
拟译:根据不同应用场合的功率不同,二极管有各种不同的封装形式。 |
Small-signal diodes are manufactured with varying response times to changes in voltage. |
拟译:小信号二极管的电压变化响应时间可长可短。 |
A diode can be used to clip a signal … |
二极管可以用来对一个信号限幅 |
signal’s edge rate |
信号的变化速率 |
As the signal’s edge rate increases, a slower diode may not respond fast enough to be effective. |
拟译:当这个信号的变化速率加快时,反应速度较慢的二极管可能跟不上这种变化而效能下降。 |
Be of equal xx
Its voltage peaks are of equal magnitude above and below 0V. |
xx是相等的
它的正负电压峰值是相等的 |
介词by
The rectified output is reduced in voltage by the diode’s forward voltage. |
由于(表原因)
拟译:整流后的输出电压由于二极管正向导通电压的损耗而略有减小。 |
Be assembled into …
Eg. four diodes can be assembled into a full-wave bridge rectifier. |
组合成…
四个二极管可以组合成一个全波式整流器。 |
Conducting current through D1 through the resistor, then through D3 to the negative AC input wire. |
拟译:电流从D1流经电阻然后再流过D3回到AC输入的负极。 |
In conjunction with
Eg. Transformers are used in conjunction with bridge rectifiers to step down the high-voltage AC input to a more appropriate intermediate level that is much closer to the final voltage level required by the system. A power filter circuit can then be used to smooth the heavily rippled rectified signal into a more stable DC input. |
连同,与…协力
拟译:将变压器和桥式整流器连接在一起,把高压AC输入降低到与系统所需要的电压值很接近的一个中间值,然后通过电源滤电路将整流后具有严重波纹的信号平滑化,得到稳定的DC输入。 |
Rely on …
Eg. This concept relies on the fact that a standard diode will not conduct under normal reverse-bias conditions. |
有赖于/依赖于……
拟译:这有赖于标准的二极管在正常的方向偏置下不导通这一特性。 |
These diodes are often called OR-ing diodes, because they perform a logical OR function on the power supplies. |
拟译:这些二极管通常称为“或”二极管,因为它们在电源供应中起逻辑“或”作用。 |
In one’s immediate vicinity |
如今在我们的身边 |
Positive portion of the sine |
正弦波的正半周 |
Next half of the sinusoid |
后半个正弦周期 |
Note that, … |
但必须注意,…… |
Most significantly, … |
其中最重要的是,… |
Special-purpose xx |
特殊设计的xx |