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Modulation - Wikipedia
https://en.wikipedia.org/wiki/Modulation
WEBA modulator is a device or circuit that performs modulation. A demodulator (sometimes detector) is a circuit that performs demodulation, the inverse of modulation. A modem (from modulator–demodulator), used in bidirectional communication, can …
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Modulators | How it works, Application & Advantages - Electricity
https://www.electricity-magnetism.org/modulators/
WEBOct 26, 2023 · A modulator is a device that performs modulation, a process where the characteristics of a carrier wave are varied according to the information signal. This is the essence of how data is transmitted over various distances, enabling devices to communicate. Types of Modulators.
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What You Need to Know About Modulators | DigiKey
https://www.digikey.com/en/articles/what-you-need-to-know-about-modulators-and-demodulators
WEB2013-03-14. Modulation, in the context of RF applications, refers to the mixing of two sinusoidal signals. An RF modulator is a device that takes an input signal and outputs a modulated signal. Modulators have basically two inputs and one output. One input is usually known as the ‘information’ input. The other input is the RF carrier input.
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What is Modulation and Demodulation? - Definition, Types, …
https://byjus.com/physics/modulation-and-demodulation/
WEBModulation is defined as the process of superimposing a low-frequency signal on a high-frequency carrier signal. Or. The process of varying the RF carrier wave in accordance with the information in a low-frequency signal. The concepts of amplitude modulation and demodulation, along with their differences, are explained below.
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Modulator | Analog Devices
https://www.analog.com/en/resources/glossary/modulator.html
WEBA modulator is an electronic circuit that superimposes a low-frequency (information) signal onto a high-frequency (carrier) signal for the purpose of wireless transmission. The reason for this is that higher frequency signals can be received using shorter aerials, which are more practical than longer ones.
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What is a modulator? - The Solid Signal Blog
https://blog.solidsignal.com/tutorials/what-is-a-modulator/
WEBAug 31, 2018 · In order to understand what a modulator is, you have to understand what it does. A modulator, well, modulates. When you look at an unaltered video and audio signal, it travels through a wire in such a way that nothing else can travel on that wire. We call this baseband video. Modulation is a trick that takes this signal and only lets it occupy ...
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2.4: Analog Modulation - Engineering LibreTexts
https://eng.libretexts.org/Bookshelves/Electrical_Engineering/Electronics/Microwave_and_RF_Design_I_-_Radio_Systems_(Steer)/02%3A_Modulation/2.04%3A_Analog_Modulation
WEBMay 22, 2022 · 2.4.4 Analog Modulation Summary. The waveforms and spectra of the signals with common analog modulation methods are shown in Figure . The modulating signal is generally referred to as the baseband signal and it contains all of the information to be transmitted and interpreted at the receiver.
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What Is Modulation? - EEP - Electrical Engineering Portal
https://electrical-engineering-portal.com/what-is-modulation
WEBNov 28, 2016 · 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 carrier signal, the result is amplitude modulation. It is important that you do not confuse “mixing” with “modulation.”
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Channels, modulation, and demodulation - MIT …
https://ocw.mit.edu/courses/6-450-principles-of-digital-communications-i-fall-2006/1e8d60eb6c0a68cc48e81af039fd4af6_book_6.pdf
WEBDigital modulation (or channel encoding) is the process of converting an input sequence of bits into a waveform suitable for transmission over a communication channel. Demodulation (channel decoding) is the corresponding process at the receiver of converting the received waveform into a (perhaps noisy) replica of the input bit sequence.
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Amplitude Modulation (AM) circuits | How it works, Application
https://www.electricity-magnetism.org/amplitude-modulation-am-circuits/
WEBOct 26, 2023 · It is a technique used in electronic communication, predominantly in transmitting information via a radio carrier wave. AM works by varying the strength (amplitude) of the carrier wave in proportion to the waveform being sent, which typically corresponds to sounds to be reproduced by a loudspeaker or light intensity in television.
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