Modulation and Demodulation

Foster Seeley Detector – Circuit Diagram, Working and its Phasor Diagram

Foster Seeley Detector – Circuit Diagram, Working and its Phasor Diagram: The circuit diagram of the Foster Seeley detector is shown in Fig. 22.54. This Foster Seeley Detector circuit consists of an inductively coupled double tuned circuit in which both primary and secondary coils are tuned to the same frequency (intermediate frequency). The centre of

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Amplitude Detection Process

Amplitude Detection Process: Amplitude Detection – The process of demodulation demands that the modulated wave has some definite average value and the carrier wave is separated out. Hence in demodulation of an AM wave two operations, viz. rectification of the modulated wave and elimination of the RF component of the modulated wave are involved. Essentials

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What is Demodulation or Detection? – Need of demodulation

What is Demodulation or Detection? – Need of demodulation: Demodulation or detection is a process of recovering the original modulating signal (intelligence) from the modulated carrier wave i.e., the demodulation is a process reverse of the process of modulation. Need of demodulation: The wireless signals transmitted from a transmitter consist of RF carrier waves and

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Single Sideband Modulation (SSB)

Single Sideband Modulation (SSB): Single Sideband Modulation (SSB) can he obtained by passing the output of a carrier suppressor (product modulator) through filter circuits that are selective to transmit one sideband while suppressing the other. However, this method is suitable only for obtaining Single Sideband Modulation corresponding to low or moderate carrier frequencies. The other

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