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Q: How power line carrier installed?
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What is the frequency and wave form of old land line phone carrier?

First answer.The landline phone has no carrier frequency it is a baseband signal with a 3KHz bandwidth.Correction:So there is a signal that can handle a 3KHz bandwidth, what do you call that signal? I call it a carrier, if you don't have a carrier, you will need to amplify the audio every 30 meters else you will end up with no audio at the end of the line. So there is a carrier on all phone lines. Note the carrier signal are up to 90 VPP and is AM modulated at the instrument, but in digital systems the carrier are switched on and of, FSK modulation.


When the neutral switch is open where do the line current flow to?

There is never a switch installed in a neutral line.


What happens to the power in the carrier after frequency modulation?

In FM the carrier is still present and the power is still there, at a constant amplitude at the transmitter. It's only the frequency of the carrier that alters, in time with the audio applied to it. The louder the sound the further the frequency shifts.


What the difference between single side band single carrier transmission and full carrier AM?

1. Single-sideband transmission requires only half as much bandwidth as double sideband.2. SSBSC require less total transmitted power than full carrier AMIn full carrier AM, the transmitted signal consists of two sidebands (containing the transmitted information) and the carrier signal. Long ago, it was realized that both sidebands contained the same information, and the carrier signal could be supplied by the receiver. Thus, if you suppress transmitting the carrier and one sideband, you can use the available power to increase the power in the remaining sideband.


Where would power factor capacitors be installed on a 3 phase motor?

Power factor capacitors can be installed on a three phase motor between the motor contactor and the overload heater block.

Related questions

What is power line carrier communication?

bill gates


What is power line carrier comunications?

Power in USA is 60 hertz. Typical speech is between 0 and about 16,000 Hz. In power line carrier applications the 60 Hz is modulated by a higher frequency that is in turn modulated by a transducer that captures speech. With the proper modulator and demodulators you can either modulate the 60 Hx carrier to send a transmission or demodulate to receive.


Relation between total power and carrier power?

Total power is the summation of the carrier power and any additional sidebands or noise present in the signal. Therefore, the carrier power contributes to the total power but is not the sole component. The carrier power represents the power contained in the main signal frequency.


You have a 91 Buick LeSabre that has struts you have a carrier for a power wheelchair mounted on the back How can you raise the back of the car up some more?

have air-shocks installed


Can a sim card from a Samsung VGA 1000 flip cell be installed in a Sanyo flip cell SCP 7300 same carrier?

yeah if its from the same carrier


What are difference between bus reactor and line reactor?

Bus reactors are connected to the busbars of a power system to limit fault currents and improve system stability. Line reactors are connected in series with the power line to limit current surges, reduce harmonics, and provide overvoltage protection. Both types of reactors help improve the performance and reliability of the power system, but they are installed at different locations within the system.


Why would 2005 dodge ram new fuel pump be blowing fuel out around top?

Broken/miss-installed line.Broken/miss-installed line.


What the AM transmitted power equation?

Total Power = Power of unmodulated carrier + 2 * Power per sideband


How do you add a new phone onto your existin shared plan?

The process is carrier-specific. Call your carrier and ask to add a line.


What if your company has decided to order adsl from its local telecommumications carrier you call the carrier and find out that your office is located 17000 feet from the nearest co given adsl potenti?

Depends. You need to find out if your local carrier supports ADSL 2+ or not. 2+ DSL can go up to 30000 feet. The speed is dependent upon the quality of the line, but i have installed many 3.0 mbs DSL lines at 17k feet. You should have no problem getting 3.0 mbs service if the carrier has the ADSL 2+ technology in place.


What can not be installed from the command line by the ServerManagerCmd.exe utility?

Applications


Can you keep your land phone line number if you get a cell phone?

Yes you can. Your phone line has nothing too do with your cell phone. In fact, for most people your phone line carrier is completely different from your cell phone carrier. And you phone line has absoloute no connection TO YOU HOME PHONE AT all