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Encyclopedia of Electronic Components Volume 2: LEDs, LCDs, by Charles Platt

By Charles Platt

Want to understand the right way to use an digital part? This moment booklet of a three-volume set comprises key info on electronics elements on your projects--complete with images, schematics, and diagrams. you will study what each does, the way it works, why it really is precious, and what editions exist. irrespective of how a lot you recognize approximately electronics, you will find attention-grabbing info you have by no means encounter before.

Perfect for academics, hobbyists, engineers, and scholars of every age, this reference places trustworthy, fact-checked info correct at your fingertips--whether you are fresh your reminiscence or exploring an element for the 1st time. novices will speedy seize very important innovations, and more matured clients will locate the explicit information their tasks require.

Volume 2 covers sign processing, together with LEDs, LCDs, audio, thyristors, electronic good judgment, and amplification.

  • Unique: the 1st and in simple terms encyclopedia set on digital parts, distilled into 3 separate volumes
  • Incredibly detailed: contains info distilled from enormous quantities of sources
  • Easy to browse: elements are basically geared up by means of part type
  • Authoritative: fact-checked through professional advisors to make sure that the data is either present and accurate
  • Reliable: a extra constant resource of data than on-line assets, product datasheets, and manufacturer's tutorials
  • Instructive: each one part description offers information about substitutions, universal difficulties, and workarounds
  • Comprehensive: quantity 1 covers energy, electromagnetism, and discrete semiconductors; quantity 2 comprises LEDs, LCDs, audio, thyristors, electronic good judgment, and amplification; quantity three covers a variety of sensing devices.

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Additional info for Encyclopedia of Electronic Components Volume 2: LEDs, LCDs, Audio, Thyristors, Digital Logic, and Amplification

Sample text

Figure 3-4. The BTB04-600SL triac can conduct 4A continuous on-state current RMS, and withstands peak offstate voltage of up to 600V. In some reference sources (especially educational text books), current is shown with an arrow indicating a flow of electrons moving from negative to positive. Because the type of current flow is often undefined, diagrams should be interpreted carefully. In this encyclopedia, current is always shown flowing from a more-positive location to a more-negative location.

T indicates that this value changes with temperature. • IT(AV) Maximum average current between anode and cathode while the SCR is in conductive mode. T indicates that this value changes with temperature. • IGT Maximum gate current required to trigger. • IH Typical holding current. • IL Maximum latching current. • TC Case temperature, usually expressed as an acceptable range. • TJ Operating junction temperature, usually expressed as an acceptable range. 6 discrete semiconductor > thyristor > SCR Surface-mount variants may tolerate maximum anode-cathode currents that typically range from 1A to 10A.

However, it is well suited to drive the gate of a triac, because the behavior of a diac is symmetrical in response to opposite voltages, while the triac is not. If an AC voltage applied to a diac is adjusted with a potentiometer in an RC circuit, the diac will pass along a portion of each positive or negative pulse, and will delay it by a brief amount of time determined by the value of the capacitor in the RC circuit and the setting of the potentiometer. This is known as phase control, as it controls the phase angle at which the diac allows current to flow.

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