What is Modulation and Demodulation? - Definition, Types, Differences, Video and FAQs
What is Modulation and Demodulation? - Definition, Types, Differences, Video and FAQs
Oct 25, 2016
byjus.com
This simulation demonstrates the working of an Amplitude Modulation (AM) circuit using operational amplifiers. In this setup, a high-frequency carrier signal of around 100 kHz is combined with a low-frequency modulating signal to produce an amplitude-modulated output. The circuit consists of two op-amps, resistors, and signal sources arranged to mix and control the amplitude variations effectively. The oscilloscope display shows the modulated waveform in green, while the red outline represents t
0:15
This simulation demonstrates the working of an Amplitude Modulation (AM) circuit using operational amplifiers. In this setup, a high-frequency carrier signal of around 100 kHz is combined with a low-frequency modulating signal to produce an amplitude-modulated output. The circuit consists of two op-amps, resistors, and signal sources arranged to mix and control the amplitude variations effectively. The oscilloscope display shows the modulated waveform in green, while the red outline represents t
26K views8 months ago
FacebookElectronics Education
This simulation shows how amplitude modulation is created by combining two signals inside an analog circuit. A high-frequency carrier is applied along with a much lower-frequency message signal. The transistor stage is biased so its gain is not fixed but varies with the message voltage. When the message level increases, the carrier amplitude grows; when it decreases, the carrier shrinks. This controlled change in gain produces the characteristic AM waveform, where a fast oscillation is wrapped i
0:13
This simulation shows how amplitude modulation is created by combining two signals inside an analog circuit. A high-frequency carrier is applied along with a much lower-frequency message signal. The transistor stage is biased so its gain is not fixed but varies with the message voltage. When the message level increases, the carrier amplitude grows; when it decreases, the carrier shrinks. This controlled change in gain produces the characteristic AM waveform, where a fast oscillation is wrapped i
19K views3 months ago
FacebookElectronics Education
Amplitude Modulation (AM) Mathematical Derivation AM expression
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