Electronic Circuit

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An electronic circuit is an electrical circuit that also contains Active component electronics devices such as transistors or vacuum tubes. They can display highly complex behaviors, even though they are governed by the same laws as simple electrical circuits. Electronic circuits can usually be categorized as analog, digital, or mixed-signal (a combination of analog and digital) electronic circuits.

Analog circuits analog electronics are those in which electric signals vary continuously to correspond to the information being represented. Electronic equipment like voltage amplifiers, power amplifiers, tuning circuits, radios, and televisions are largely analog (with the exception of their control sections, which may be digital, especially in modern units).

The basic units of analog circuits are passive (resistors, capacitors, inductors) and active (independent power sources and dependent power sources). Components such as transistors may be represented by a model containing passive components and dependent sources. Another classification is to take impedance and independent sources and opamp as basic electronic components; this allows us to model frequency dependent Negative resistance, gyrators, negative impedance converters, and dependent sources as secondary electronic components.

Digital circuits In digital electronics, electric signals take on discrete values to represent logical and numeric values that represent the information to be processed. Transistors are used primarily as switches to make logic gates. A logic gate processes signals that represent either true or false. It takes in one or more inputs and produces a single logical output. Many of the electronics produced today are digital. This is because the digital circuit has many advantages over the analog circuit. This is obvious in computers. Since computers have digital circuits, new features can be added without having to change hardware. An example of this is when a company comes out with an update for a system, you can just install it and everything works just fine. Another advantage digital has over analog is that information storage is much easier and efficient. Examples of electronic equipment which use digital circuits include digital wristwatches, calculators and PDAs, and microprocessors.

Mixed-signal circuits Mixed-signal or hybrid circuits contain elements of both analog and digital circuits. Examples include comparators, Multivibrator, PLLs, ADCs (analog-to-digital converters), and DACs (digital-to-analog converters).



Electronic circuit - Wikipedia, the free encyclopedia
An electronic circuit is an electrical circuit that connects active and passive electronic components such as resistors, capacitors, microprocessors, transistors or vacuum tubes.

Category:Electronic circuits - Wikipedia, the free encyclopedia
Pertains to the connections between two or more electrical components in ways that produce useful functions. Also covers general circuit theory and concepts.

Electronic Circuits
An archive of electronic circuits divided into categories such as power supplies, auto, computer circuits, sound/radio.

Electronic Circuits
Here are some neat circuits you might want to try. The schematics and printed circuit board patterns are GIF's, and may show up different on some browsers.

Design - MotionTouch
An electronic circuit itself contains electronic devices such as transistors or vacuum tubes, and it allows current to flow through a pathway.

CIRSIM - Electronic Circuit Simulation Program
Electronic circuit simulator for the hobbyist. The site contains examples and evaluation programs for downloading.

Inspec Subject Updates
Electronic Circuits ©IEE, 2004 page 1of40 1.0 AnalogueElectronics 1 Routine high-return human-competitive evolvable hardware Author(s): J.R. Koza (Affiliation:

Electronic Circuit Theory
This presentation features a demonstration of Web-based lessons on the basics of electronic circuit design and theory.

Free Electronic Circuits
A collection of do it yourself electronic schematics that you can build. ... Free Electronic Circuits Welcome to Free Electronic Circuits, a site dedicated to electronic hobbyists.

Circuit Symbols of Electronic Components
The Electronics Club ... Wires and connections: Component : Circuit Symbol : Function of Component: Wire: To pass current very easily from one part of a circuit to another.





 
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