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Q. Commercial FM radio broadcasting?
Commercial FM radio broadcasting utilizes the frequency band of 88 to 108 MHz for the transmission ofmusic and voice signals. The carrier frequencies are separated by 200 kHz, and the peak frequency deviation is fixed at 75 kHz. Each station (out of the possible 100) broadcasts in a channel bandwidth of 200 kHz centered on the carrier. The FM system is capable of presenting higher quality audio to the user than AM because of the larger audio band allowed from 50 Hz to 15 kHz. Distortion at most stations is below 1%. Besides broadcast applications, FM is also used in satellite links, aircraft altimetry, radars, amateur radio, and various two-way radio applications. Because of the larger bandwidth (up to 20 times more than in AM), an FM system has more freedom from interference and better performance in noise than any AM station.
Design a logic circuit when to provide an output when any two or three of four switches are closed.
winding turns of 415v step down transformer on 50%, 60% & 80% tapping
how do you define the expertise for this hot line maintenance?
Determine the resistance and temperature-coefficient: A platinum coil has a resistance of 3.146 Ω at 40 o C and 3.767 Ω at 100 o C. Determine the resistance at 0 o C and the t
Q. Explain topology method used in LAN technology? Ans: LAN Topologies: Network topology is a physical schematic which demonstrates interconnection of the many users. Th
Q. How does one arrive at the probability of availability of free lines during busy hour? How can this be improved? Ans: One can arrive at probability of free lines during busy
Devise a "green" design to improve the electrical plan of a room in your home. How might you reduce electricity use in your home. Initiate and plan 1. Select two rooms in y
Write discussion on Construction and working of analog type storage oscilloscope
SBB Instruction This instruction is used to subtract the contents of register or memory location with carry flag from accumulation. The results of operations is stored
3) A sine wave oscillator, in effect, converts
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