Frequency modulation Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Frequency modulation? On this page you'll find 523 study documents about Frequency modulation.
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NCTI - Installer Book 2023/2024 EXAM
- Exam (elaborations) • 41 pages • 2023
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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...
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Broadband Digital Installer Test
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Broadband Digital Installer Test 
 
What information is typically stored in a signal level meter's (SLM) channel plan? - The 
SLM channel plan typically includes the channel number, center frequency, channel bandwidth, 
modulation type, and symbol rate. 
 
What advantages are there to performing automated measurements with an SLM? - 
Automated measurements help ensure consistent measurement practices among different 
technicians. 
 
What parameters of the RF carrier should be measured when diag...
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ROC I: Lesson Quizzes Only
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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...
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Field Tech 1 Exam Questions and Answers Latest 2023/2024 (100% Pass)
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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...
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PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers.
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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...
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PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers.
- Exam (elaborations) • 5 pages • 2024
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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...
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PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers.
- Exam (elaborations) • 5 pages • 2024
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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...
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Progression: Field Tech II - III Conventional Exam Questions and Answers Latest Updated 2024/2025 Graded A+
- Exam (elaborations) • 24 pages • 2024
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Progression: Field Tech II - III Conventional Exam 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 th...
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Spectrum Field Tech Questions and Answers Latest 2023/2024 (100% Verified)
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Spectrum Field Tech Questions and Answers Latest 2023/2024 (100% Verified). 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'' 
Spectrum Field Tech Questions an...
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RCDD TEST QUESTIONS (TOPIC 1 - TOPIC 7) WITH COMPLETE SOLUTIONS.
- Exam (elaborations) • 26 pages • 2024
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RCDD TEST QUESTIONS (TOPIC 1 - TOPIC 7) WITH COMPLETE SOLUTIONS. 
 
If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: 
 
A. 3 dB 
B. 20 dB 
C. 30 dB 
D. 40 dB 
E. 1000 dB 
C. 30 dB 
The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt....
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