Frequency modulation Study guides, Class notes & Summaries

What reason for modulation involves modulating low frequency signals for transmission over long distances? correct answer: Ease of radiation. What are the three general categories used to produce modulation in radio frequency (RF) transmission today? correct answer: Amplitude, frequency, and phase. When the modulating signal and carrier signal are combined within a modulator, the output signal contains a/an correct answer: carrier, upper sideband, and lower sideband. If a carrier fre...

Field Tech 1 Exam Questions and Answers Latest Updated 2023/2024 (Graded). Upstream frequency ranges between 5Mhz and 42Mhz Downstream frequency ranges Between 50MHz 860MHz Upstream frequency ranges 5MHz and 42 MHz A 6 MHz downstream channel can hold 2-4 hd channels or 8-12 standard definition channels Egress When a signal leaks out of a cable Ingress when a signal leaks into a cable Field technicians are responsible from The tap to the CPE (customer premise equipement) Field Tech 1 Exam ...

1. Communication is the process of exchanging information. TRUE 2. Blooms: 1. Remember Chapter: 01 Introduction to Electronic Communication Difficulty: Easy Section: 01.01 The Significance of Human Communication Subtopic: The Significance of Human Communication Topic: Introduction to Electronic Communication All electronic communication systems have a transmitter, a communication channel or medium, and a receiver. TRUE ...

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...

digital VoIP phones carry _________ data over the Internet. WirelessHD _____________ can transfer video and sound at 7 Gbps and higher. 10 UWB WirelessHD and WiGig have a range of up to ___ meters. GPS _____ technology is implemented by roadside assistance services to link a vehicle and driver to a central service center. 4G _____ technology uses 100% digital transmission for voice and data. AP A(n) ____ connects wireless devices to the wired LAN. ...

NCTI - Installer Book 2023/2024 EXAM Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? - ANSWER B) Distribution amplifiers. Which of the following describes a carrier wave? - ANSWER B) A wave with a much higher frequency than the input signal. Which of the following desc...

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...

Field Tech 1 Exam Questions and Answers Latest 2023/2024 (100% Pass). Upstream frequency ranges between 5Mhz and 42Mhz Downstream frequency ranges Between 50MHz 860MHz Upstream frequency ranges 5MHz and 42 MHz A 6 MHz downstream channel can hold 2-4 hd channels or 8-12 standard definition channels Egress When a signal leaks out of a cable Ingress when a signal leaks into a cable Field technicians are responsible from The tap to the CPE (customer premise equipement) Field Tech 1 Exam Quest...

NCTI - Installer Book 2023/2024 EXAM. Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? B) Distribution amplifiers. Which of the following describes a carrier wave? B) A wave with a much higher frequency than the input signal. Which of the following describes modulation? B) The reshaping of a carrier wave to include information contained by an input signal. Which of the following is the symbol for power? W = watt...

ROC I: Lesson Quizzes Only what enables set-top boxes (STB) and data over cable service interface specification (DOCSIS) modems to operate as completly separate systems that operate independent of each other? - STB and DOCSIS modems are assigned different upstream channels with different upstream channels with dedicated receivers in the headend what did the 1.1 version of DOCSIS introduce, incorporating solutions for transporting real-time data applications (such as voice traffic) over...