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Archive: Category «Electronics»

Electronics

Insulated-Gate Bipolar Transistor (IGBT)

The IGBT has the high input impedance and high-speed characteristics of a MOSFET with the conductivity characteristic (low saturation voltage) of a bipolar transistor. The IGBT is turned on by… Read more

Oct 21, 2011 | By Edvard

IGBTs classified as punch-through (PT) and nonpunch-through (NPT) structures
Electronics

Power Semiconductor Devices – Thyristor and Triac

The thyristor, also called a silicon-controlled rectifier (SCR), is basically a four-layer three-junction pnpn device. It has three terminals: anode, cathode, and gate. The device is turned on by applying… Read more

Oct 15, 2011 | By Edvard

Thyristor 2.5A 600V
Electronics

State Machine Design

Written by Ray Salemi State machines are a foundation of digital design. Eventually we all reach the point where we need to control our digital algorithm, and we almost always… Read more

Sep 14, 2011 | By elaina

Simple traffic light state machine
Electronics

Resistors in detail

Resistors are one of the simplest varieties of electronic components. A resistor is a two-terminal device that has a fixed relationship between the current passing through the device and the… Read more

Aug 12, 2011 | By elaina

Figure 1 - Typical form of carbon resistor
Electronics

Designing Raw DC Power Supplies

Every type of electrical or electronic apparatus needs a source of electrical energy to function. The source of electrical energy is called the power supply. The two main classifications of… Read more

Jul 03, 2011 | By Sa'ad Eddin

Designing Raw DC Power Supplies
Electronics

ESD – Electro Static Discharge

An increasing problem today with the use of more and more electronic equipment in our systems is the Electro Static Discharge (ESD). The main source of the problem is the… Read more

May 23, 2011 | By Edvard

Printed Circuit Board (PCB)
Electronics

What Is Modulation?

Modulation is the use of one electrical signal to “control” a primary variable of another. For example, if an audio signal voltage is used to control the “amplitude” of a… Read more

Feb 20, 2011 | By Sa'ad Eddin

Modulation - addition of information (or the signal) to an electronic or optical signal carrier
Electronics

Ethernet History

Ethernet is the most popular and widely deployed network technology in the world. In 1973, while working on a way to link the Xerox “Alto” computer to a printer, Bob… Read more

Jan 25, 2011 | By Edvard

Ethernet Plug


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