Direct Current（直流）的首字母缩写。 DC是极性（方向）不随时间变化的电流。 流动极性（方向）和大小皆不随时间变化的电流通常被称为DC。

什么是DC-DC电路？凡是直流变换成直流的电路都能成为DC-DC电路，最常见的DC-DC电路如开关转换和线性转换两种方式。狭义上，通过开关转换方式将直流变换成直流的电路成为DC-DC电路。一般来说，DC-DC电路必须有调整管，调整管工作于开关状态或线性放大状态 ...

DC-DC converter chips provide a regulated DC voltage output from a different, unregulated input voltage. They are used in power management applications and incorporate several conversion technologies.

Adobe Acrobat Reader DC software is the free, trusted standard for viewing, printing, signing, and annotating PDFs. Its the only PDF viewer that can open and interact with all types of PDF content ...

Adobe Acrobat Reader DC software is the free, trusted standard for viewing, printing, signing, and annotating PDFs. Its the only PDF viewer that can open and interact with all types of PDF content ...

When we digitize analog signals using an analog-to-digital (A/D)converter, the converter's output typically contains some small DCbias: that is, the average of the digitized time samples is not ...

WASHINGTON — DC Councilmember Robert White is pushing for a concrete plan to revitalize Downtown D.C. — and soon. The Committee on Housing, of which Councilmember White is the chair ...

Darkseid has been lurking in the shadows of the DC Multiverse ever since being brainwashed and controlled by Pariah and The Empty Hand as a servant of The Great Darkness (during the “Dark Crisis ...

Please verify your email address. Female villains in DC Comics are iconic, with characters like Scandal Savage and Silver Swan showcasing unique powers. Characters like Emerald Empress and ...

AC-DC converters are electrical circuits that transform alternating current (AC) input into direct current (DC) output. They are used in power electronic applications where the power input a 50 Hz or ...

The District of Columbia, located on the north bank of the Potomac River, is the capital city of United States. The centers of all three branches of the U.S. federal government are located in the ...