Amplitude modulation - Study guides, Class notes & Summaries

PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers. Select ONE answer for each numbered problem. If you choose more than one on the Scantron sheet, you will be marked incorrect on that problem. Data Rate=(Number of Channels)x(samples/second)x(bits/sample) Capacity=(Number of Channels)x(Bandwidth/Channel)xlog2(SNR+1) SNR = Signal Power/Noise Power AM = Amplitude Modulation FM = Frequency Modulation PM = Phase Modulation FET = Field Effect Transistor RAM = Random Access Memory Capa...

Spectrum Field Tech Questions and Answers 100% Pass Current/ amperage Flow or movement of electric charges Resistor a passive two-terminal material that impedes the flow of current What is the most common workplace hazard involving electricity? Electrical shocks What is minimum approach distance? The shortest safe distance to keep from energized conductors CATV at the pole 40'' CATV at the mid-span 24'' CATV at the house 12'' Live parts of electric equipment must be guarded against ...

Progression: Maintenance Tech I - II Conventional: Exam In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? What technologies are defined in DOCSIS 4.0 to help sustain the hybrid fiber/coax (HFC) network infrastructure for several more years? How can a less-experienced technician identi...

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Fiber Technician I - II Complete Exam Review Answered. What happens if the optical signal exceeds the maximum specified input power into a photodetector? What are the factors that contribute to an optical receiver's sensitivity? What is the benefit of coarse wavelength division multiplexing (CWDM) over dense wavelength division multiplexing (DWDM)? What product based on the Data Over Cable Service Interface Specification (DOCSIS) defines the protocols for Internet protocol (IP) te...

RSC 2 Prep #MidasTouch Exam Questions and Answers 100% CorrectRSC 2 Prep #MidasTouch Exam Questions and Answers 100% CorrectRSC 2 Prep #MidasTouch Exam Questions and Answers 100% CorrectRSC 2 Prep #MidasTouch Exam Questions and Answers 100% CorrectA power inserter - ANSWER-What is spliced into the hardline coaxial cable to combine the AC power with the transported RF signal in a Hybrid fiber/coaxHFC network? Amplitude modulation-vestigial sideband AM-VSB - ANSWER-Which transmission scheme is ...

001) What is an example of analog-to-digital and digital-to-analog techniques? - Answer- Pulse code modulation (PCM) and continuously variable slope delta (CVSD) modulation. (002) What converts analog signal information into an analog carrier signal? - Answer- Analog modulation. (002) What converts analog signal information into a digital carrier signal? - Answer- Digital modulation. (003) The information-carrying components that occur on either side of a carrier are called - Answer- si...

Progression: Field Tech II - III Conventional Exam Questions and Answers Latest Updated 2024/2025 Graded A+. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which of these components is used in a passive optical network (PON)? - Optical splitters. Which type of star topology used in a passive optical network (PON) places the PON spli...

Progression: Field Tech II - III Conventional Questions and Answers Latest Updated 2024/2025 Graded A+. What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - An FTTC is allowed a smaller number of RF amplifiers between the opt...

Radio correct answers First time a message could send itself and required no one to deliver it how did radio begin correct answers The telegraph Radio was built from the idea of a telegraph Designed to be like telegraph without wire Who invented the radio? correct answers Marconi (1900s) When and how did the public become aware of radio? correct answers in 1912 due to Titanic David Sarnoff had a radio set and heard chatter of Titanic sinking When was mass media born? correct...