what is analog?
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- Analog at a glance. As a technology, analog is the process of taking an audio or video signal (in most cases, the human voice) and translating it into electronic pulses. Digital on the other hand is breaking the signal into a binary format where the audio or video data is represented by a series of 1s and 0s. Simple enough when it's the device—analog or digital phone, fax, modem, or likewise—that does all the converting for you.
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Analog signal For example, in an analog audio signal, the instantaneous voltage of the signal varies continuously with the pressure of the sound waves. It differs from a digital signal, in which the continuous quantity is a representation of a sequence of discrete values which can only take on one of a finite number of values.
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analog (adj.) Also spelled analogue, describes a device or system that represents changing values as continuously variable physical quantities. A typical analog device is a clock in which the hands move continuously around the face. Such a clock is capable of indicating every possible time of day. In contrast, a digital clock is capable of representing only a finite number of times (every tenth of a second, for example). In general, humans experience the world analogically. Vision, for example, is an analog experience because we perceive infinitely smooth gradations of shapes and colors.
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Analog signal processing Analog signal processing. Analog signal processing is any type of signal processing conducted on continuous analog signals by some analog means (as opposed to the discrete Digital Signal Processing where the signal processing is carried out by a digital process). Analog indicates something that is mathematically represented as a set of continuous values.
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analog Analog is the opposite of digital. Any technology, such as vinyl records or clocks with hands and faces, that doesn't break everything down into binary code to work is analog. Analog, you might say, is strictly old school. The original definition of analog is something that is similar to something else; the two are said to be analogous. In technological terms, it means something that has an output that's proportional or similar to its input — usually a voltage.
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- Analog and Digital Circuits. Analog Electronics. Most of the fundamental electronic components – resistors, capacitors, inductors, diodes, transistors, and operational amplifiers – are all inherently analog. Circuits built with a combination of solely these components are usually analog.
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The Basics An analog sensor, such as a CdS cell (Cadmium Sulfide cells measure light intensity), might be wired into a circuit in a way that it will have an output that ranges from 0 volts to 5 volts. The value can assume any possible value between 0 and 5 volts. An 'Analog Signal' is one that can assume any value in a range.
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Contents: Analog vs Digital Bandwidth. Analog signal processing can be done in real time and consumes less bandwidth. There is no guarantee that digital signal processing can be done in real time and consumes more bandwidth to carry out the same information.
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Analog vs. Digital Analog and Digital Circuits Analog Electronics Most of the fundamental electronic components – resistors, capacitors, inductors, diodes, transistors, and operational amplifiers – are all inherently analog.
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digital Computers are digital machines because at their most basic level they can distinguish between just two values, 0 and 1, or off and on. There is no simple way to represent all the values in between, such as 0.25. All data that a computer processes must be encoded digitally, as a series of zeroes and ones. The opposite of digital is analog. A typical analog device is a clock in which the hands move continuously around the face. Such a clock is capable of indicating every possible time of day.
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Defining Analog Voice This document discusses how analog voice signals are measured, the units used, and the points of reference used when you measure. The quality of a transmission system is defined by the difference between spoken voice at one end and reproduced voice at the other end.
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Analog and digital However, analog technology isn't just about measuring things or using dials and pointers. When we say something is analog, we often simply mean that it's not digital: the job it does, or the information it handles, doesn't involve processing numbers electronically. An old-style film camera is sometimes referred to as example of analog technology.
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analogue Definition of analogue. 1  1 : something that is analogous or similar to something else. 2  2 : an organ or part similar in function to an organ or part of another animal or plant but different in structure and origin The gill of a fish is the analogue of the lung of a cat.
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- Analog to Digital Conversion: Sampling. An input signal is converted from some continuosly varying physical value (e.g. pressure in air, or frequency or wavelength of light), by some electro-mechanical device into a continuously varying electrical signal.
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Analog television Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio. In an analog television broadcast, the brightness, colors and sound are represented by rapid variations of either the amplitude, frequency or phase of the signal. Analog signals vary over a continuous range of possible values which means that electronic noise and interference becomes reproduced by the receiver.
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What is WRITE-OFF? What does WRITE-OFF mean? WRITE-OFF meaning, definition & explanation In business accounting, the term write-off is used to refer to an investment (such as a purchase of sellable goods) for which a return on the investment is now impossible or unlikely. The item's potential return is thus canceled and removed from (written off) the business's balance sheet.
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Telecommunications Technology Fundamentals An analog wave form (or signal) is characterized by being continuously variable along amplitude and frequency. In the case of telephony, for instance, when you speak into a handset, there are changes in the air pressure around your mouth.
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analog b. (as modifier): analogue watch; analogue recording. a. an organic chemical compound related to another by substitution of hydrogen atoms with alkyl groups: toluene is an analogue of benzene. b. an organic compound that is similar in structure to another organic compound: thiols are sulphur analogues of alcohols.
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Data transmission In most textbooks, the term analog transmission only refers to the transmission of an analog message signal (without digitization) by means of an analog signal, either as a non-modulated baseband signal, or as a passband signal using an analog modulation method such as AM or FM.
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- Most data acquisition signals can be described as analog, digital, or pulse. While analog signals typically vary smoothly and continuously over time, digital signals are present at discrete points in time (Figure 3-2). In most control applications, analog signals range continuously over a specified current or voltage range, such as 4-20 mA dc or 0 to 5 V dc.
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Overview Emory University is a private institution that was founded in 1836. It has a total undergraduate enrollment of 6,867, its setting is city, and the campus size is 630 acres. It utilizes a semester-based academic calendar. Emory University's ranking in the 2017 edition of Best Colleges is National Universities, 20. Its tuition and fees are $47,954 (2016-17).
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Translations for analog signal Any information may be conveyed by an analog signal; often such a signal is a measured response to changes in physical phenomena, such as sound, light, temperature, position, or pressure. The physical variable is converted to an analog signal by a transducer.
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Definitions &Translations Wiktionary (0.00 / 0 votes) Rate this definition: analog clock (Noun). A clock that displays the time using hands. Origin: This is a retronym coined when digital clocks became common.
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Translations for analog signal An analog or analogue signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.
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analogue Analogue. A drug that is similar to the drug from which it is derived. Mentioned in: Pituitary Tumors. analog, analogue. 1. a part or organ having the same function as another, but of different evolutionary origin. 2. a chemical compound having a structure similar to that of another but differing from it in respect of a certain component; it may have similar or opposite action metabolically. Saunders Comprehensive Veterinary Dictionary, 3 ed.
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- Definition of Analog Clock. An Analog Clock is a clock having the numbers 1 to 12 or equivalent Roman numerals around its face and three distinct moving hands to show seconds, minutes, and hours.