Posted inAnalog & Digital Communication
Pulse Communication
PAM Modulator The amplitude of a carrier pulse is altered in accordance to that of…
Posted inAnalog & Digital Communication
Error Detection and Correction Techniques
Different Types Of Error Detection Techniques: a. Redundancy b. Echoplex c. Exact count encoding d. Parity e. Check sum f. Vertical…
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Data Communication Circuits, Data Communication Codes
When the modulation index is less than 1, the angle modulated systems are called low…
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History of Data Communications
Though data communication may seem a relatively new innovation, the history of data connections dates…
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Pulse Code Modulation
Modulation is the process of varying one or more parameters of a carrier signal in accordance…
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QAM Formats: 8-QAM, 16-QAM, 32-QAM, 64-QAM, 128-QAM, 256-QAM
QAM, quadrature amplitude modulation provides some significant benefits for data transmission. As 16QAM transitions to…
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QAM Theory and Formulas
The basic QAM theory aims to express the operation of QAM, quadrature amplitude modulation using…
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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…
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Differential Phase Shift Keying
In Differential Phase Shift Keying DPSKDPSK the phase of the modulated signal is shifted relative to the previous…
Posted inAnalog & Digital Communication
Quadrature Phase Shift Keying
The Quadrature Phase Shift Keying [Math Processing Error]QPSK is a variation of BPSK, and it is also a…