'Dsb signal' diaporamas de présentation

Principles of Electronic Communication Systems

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S-72.245 Transmission Methods in Telecommunication Systems (4 cr)

S-72.245 Transmission Methods in Telecommunication Systems (4 cr). Review. 25. Filt. Phase detector. VCO. Divide by 10. PLL based frequency synthesizer. Reference signal f in is locked for instance to the fundamental frequency of a crystal oscillator. By adjusting the

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AM Modulator

AM Modulator. Types of AM modulator. There are low-level and high-level modulators . Low-level modulators generate AM with small signals and must be amplified before transmission. High-level modulators produce AM at high power levels, usually in the final amplifier stage of a transmitter.

316 views • 11 slides