Analog & Digital Communication 2 min read
QAM Theory and Formulas
The basic QAM theory aims to express the operation of QAM, quadrature amplitude modulation using some mathematical formulae. Fortunately it…
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What is QAM: quadrature amplitude modulation
Quadrature Amplitude Modulation, QAM utilises both amplitude and phase components to provide a form of modulation that is able to…
Analog & Digital Communication 2 min read
Differential Phase Shift Keying
In Differential Phase Shift Keying DPSKDPSK the phase of the modulated signal is shifted relative to the previous signal element. No reference signal…
Analog & Digital Communication 2 min read
Quadrature Phase Shift Keying
The Quadrature Phase Shift Keying [Math Processing Error]QPSK is a variation of BPSK, and it is also a Double Side Band Suppressed Carrier [Math…
Analog & Digital Communication 2 min read
Digital Communication – Phase Shift Keying
Phase Shift Keying PSK is the digital modulation technique in which the phase of the carrier signal is changed by varying the…
Analog & Digital Communication 3 min read
Frequency Shift Keying
Frequency Shift Keying FSKFSK is the digital modulation technique in which the frequency of the carrier signal varies according to the digital…
Analog & Digital Communication 2 min read
Amplitude Shift Keying
Amplitude Shift Keying ASKASK is a type of Amplitude Modulation which represents the binary data in the form of variations in the…
Analog & Digital Communication 4 min read
Difference Between Analog and Digital Communication
The crucial difference between Analog and Digital Communication is that Analog communication uses analog signals for transmission and reception of data while…
Analog & Digital Communication 6 min read
Evolution and Description of SSB techniques
Single side band suppressed carrier: (SSB-SC) · In SSB-SC any one of the unwanted side band is suppressed along with the…
Analog & Digital Communication 3 min read
Sideband Modulation
In the process of Amplitude Modulation or Phase Modulation, the modulated wave consists of the carrier wave and two sidebands.…
Analog & Digital Communication 4 min read
Amplitude Modulation
Among the types of modulation techniques, the main classification is Continuous-wave Modulation and Pulse Modulation. The continuous wave modulation techniques…
Analog & Digital Communication 1 min read
Analyzing Signals
To analyze a signal, it has to be represented. This representation in communication systems is of two types − Frequency…