What is radio frequency receiver?
The definition of what it is, is actually in your question. It's a receiver that operates in the radio frequency spectrum. Anything that has a transmitter is said to transmit in radio frequency or `RF`. The term radio is short for radiotelegraphy, which has become generic over the years.
Where does the radio frequency start? Technically, it' at 10,000 hz and higher. That's not to say that there's lower frequency transmitters (The U.S. Gov't uses 2 hz. to reach our submarines when they're under water, but that's more of an exception than the rule. The radio frequency spectrum can extend into the gigahertz range for things such as satellite communications, and as our technology advances, we could eventually see frequencies in the teraherts.
So a radio frequency receiver is anything that will receive a a frequency in the radio frequency range.
Hope this helps,
I would very much like to see you with greater frequency. What frequency will you be on? I can switch to another radio station by adjusting the frequency of my radio receiver.
To change the frequency on a radio controller car, you change the crystal in the transmitter and receiver.
radio frequency amplifier intermediate frequency( If strip) in a superheterodyne radio mixer /demodulator Audio amplifier
A transceiver is a transmitter and a receiver in a single unit.
It can get pretty complicated. You need a radio receiver, and you need to be close enough to the transmitter of the station you want to receive. Also, you need to know that station's transmit frequency, and tune your receiver to that frequency.
radio waves transmmit in a particular frequency when a receiver set on particular frequency that catch the information or data of that waves may be contain
Radio Frequency is a wireless technology consisting of a transmitter and receiver tuned to the same frequency
You need a VHF radio antenna, a VHF radio receiver and of course a station broadcasting on the VHF frequency.
A radio receiver is an electronic device that receives radio wave/signal and convert the information carried by them to a usuable form through speaker. The principal functions of a radio receiver are frequency selection, amplification and detection of signals which are been convert back to its original form through the help of radio speaker.
Most FM receivers use 10.7 MHz as the IF.
Is this sentence supposed to be question? Any superheterodyne receiver will have an IF amplifier. It doesn't matter whether TV or radio.
Why the linear combination of a low frequency intelligence signal and a high frequency carrier signal is not effective as a radio transmission?
to shift the frequency of information signal ,at the frequency domain to a higher frequency ...so the information can be transmitted to the receiver.
The "tuning capacitor" in a radio is involved in determining the frequency of an oscillator somewhere in the radio. As that capacitance is varied, the frequency of the oscillator changes. If the radio device is a transmitter, then the frequency on which it's transmitting changes. If the device is a radio receiver, then the frequency of the internal "local oscillator" determines the frequency that will be selected, out of everything coming down from the antenna… Read More
A radio telescope has two basic components, a large radio antenna and a radio receiver. It is used to detect radio-frequency radiation emitted by objects in space.
RF as in Radio Frequency, probably something meant to go between an antenna and a transmitter/receiver.
The most common IF in consumer-grade FM radios is 10.7 MHz .
The AC frequency to which the circuits in the radio receiver must be tuned in order to concentrate on that particular station and ignore all the others.
You would probably be using a radio receiver. It is possible you'd be using a transceiver, which combines the functions of a transmitter and a receiver.
Receiver incremental tuning (RIT)--A transceiver control that allows for a slight change in the receiver frequency without changing the transmitter frequency. Some manufacturers call this a clarifier (CLAM) control.
RF stands for Radio Frequency, magnetic waves radiate out of the transmitting antenna and are picked up or recovered by the receiving antenna at the receiver.
An audio amplifier like your guitar amp cannot do this by itself. The highest frequency it can handle is about 20KHz but radio waves are in the MHz range or higher. You will need to connect a radio receiver to its input (one way to do this is to build the receiver yourself as described in the Expert Answer above). Purchasing an off the shelf "component" radio receiver and connecting it would be easier.
The incoming frequency is fed to a transformer ( or IC chip). Another frequency is fed to that same place. The sums and differences are output. Differences are rectified to recover the modulated info.
De-modulating AM and FM signals is easier at lower frequencies, so the received signal is converted to a lower, intermediate frequency to simplify radio receiver design.
Either via Infra-Red or Radio Frequency key fob programmed with a receiver in your vehicle.
Radio is limited by its own design. AM & FM bands are frequency transmitted as radio waves. However since earth is round waves travels directly they do not bend. So as a rule the higher the frequency the more direct they are FM frequency is considered as line of sight transmission AM will have more range since it operates at lower frequency. At very low frequency it is possible to transmit around the earth by… Read More
A superheterodyne receiver is a Radio Frequency receiver method that multiplies the received signal frequency with a local oscillator frequency to get frequencies that are the sum and difference of the 2 frequencies. For example, if the received signal is 5MHz and the local oscillator frequency is 4MHz, they are multiplied together. 1MHz and 9MHz frequencies would be gotten. Usually the 1MHz is the Intermediate Frequency (IF). It will be admitted (through a band pass… Read More
How do you interface a computer with a high frequency radio trans receiver to transmit and receive text data?
a Whale of a good idea but its probably illegal.
Only the transmitter can be located. Transmiters can be tracked by the strength of the signal they send out. The frequency would only determine what the transmitter is using to send that signal.
I would classify it as a 'short wave' radio wave. Tuning my handy-dandy receiver to that frequency, I would expect to hear one of the standard time and frequency stations operated by N.I.S.T., and I would seize upon the opportunity to calibrate both my wrist watch and the dial on my receiver.
The word radio is a noun, a singular, common, concrete noun; a transmitter or receiver of radio waves; the electromagnetic signals sent or received. The word radio is a verb (radio, radios, radioing, radioed), the act of transmitting radio signals. The word radio is an adjective, a word describing noun for things used to send or receive radio signals, or related to radio; for example: radio transmitter radio receiver radio signal radio beacon radio engineering… Read More
The Doppler Effect describes a frequency shift in reflected waves in proportion to the relative speed between the receiver and the reflected object. For instance, in a radar speed trap, the frequency shift in reflected radio waves allows the unit to calculate the speed toward (higher frequency) or away from (lower frequency) the transmitter/receiver unit. When you drive past a steady noise source, such a bell or a horn, the sound has a higher frequency… Read More
By changing the frequency, phase, or amplitude of the waves according to some pattern that the sender and the receiver have agreed on to represent information.
it is quite easy if it is a simple radio system, all you have to do is make sure the frequency chips are the same, located in the remote and in the radio receiver thing.
Assuming that the receiver uses a high-side local oscillator and an IF of 455 KHz, the image frequency is 910 KHz above. When tuned to 1600 KHz, the image frequency would be 2,510 KHz.
The speed of a radio wave is constant and is just under the speed of light at 300^6 metres per second whether the signal is travelling toward or away from the reciever. What I think you are asking is about Doppler shift in which case a receiver travelling towards the emitter or visa versa would experience the compression of radio waves and therefore a frequency shift to a higher frequency and when travelling away the… Read More
Guglielmo Marconi When Marconi built his first radio it was set to a specific frequency to match the receiver/transmitter that he was going to communicate with...variable tuning came later. The transmission was not voice, but "Click" code. The advent of commercial radio "Stations" and broad use brought about the need for variable tuning. So the FIRST radio would have had one hard frequency setting at a time.
A type of superheterodyne radio using two separate mixers, each producing its own intermediate frequency. The block diagram of such a receiver is like this: RF -> M1 -> IF1 -> M2 -> IF2 -> D -> AF
A carrier frequency is a single radio frequency with steady amplitude. Alone, it would sound like silence on a receiver. This is the frequency that a radio receiver is tuned into. To be of use in communication, this carrier wave has to be changed in time with another signal (usually audio), called 'Modulation' It can be turned on and off using a Morse key. It can be changed by shifting the frequency, FM. It can… Read More
You can use a Faraday box which is a box o metal. If you put a radio receiver or a cellular phone inside it will not receive any signal. Cover your cellular with a alufoil.
Information can be carried on a radio signal by changing its amplitude, according to a pattern that the sender and receiver agree on. Information can be carried on a light beam by changing its amplitude (brightness), according to a pattern that the sender and receiver agree on. Information can be carried on a radio signal by changing its frequency, according to a pattern that the sender and receiver agree on. Information can be carried on… Read More
When a wave source moves toward a receiver does the receiver encounter increase in frequency wave speed or both?
Increase in frequency only.
'AM' is the process of encoding information on a radio carrier in the form of changes in its amplitude. The AM receiver looks for changes in amplitude, and uses those to reconstruct the information. 'FM' is the process of encoding information on a radio carrier in the form of changes in its frequency. The FM receiver looks for changes in frequency, and uses those to reconstruct the information. Virtually all natural sources of noise have… Read More
That is the resonant frequency.
They are the same. The frequency you set on your radio dial is the frequency of the waves transmitted from the radio station's antenna.
A broadcast receiver is a radio that receives broadcasts from commercial radio stations.
A radio programme receiver does not need to be directly in view of the transmitter to receive programme signals. For low frequency radio waves diffraction can allow them to be received behind hills, although repeater stations are often used to improve the quality of the signals.
Amateur radio has always been at the forefront of communication research, so the nickname for amateur radio honors three men who themselves were at the forefront: Heinrich Hertz, who studied electromagnetic waves and for whom the unit of frequency is named; Edwin Armstrong, who invented among other things the superheterodyne receiver and frequency modulation; and Guglielmo Marconi, the first to transmit information by radio wave.
The intuitive picture of FM is a process of changing the frequency of the radio wave in some fashion to correspond to the information wave. That's why it's called "Frequency Modulation". So when there's no sound on the FM station, let's say, the frequency is exactly the number that shows on the radio dial ... let's say 101.7 MHz for example. But when there's information being added to the radio station's signal, such as the… Read More
For CB's that are both modern and "legal" a frequency counter does not help much at all. However if you have an older radio with continuous tuning (dial with a needle) or are tuning "out of band" (using an illegal modified CB) you may find a frequency counter very useful. No,All the frequency counter does is match the frequency to the radio, to tell you how accurate the radio is, if it is a quality… Read More
How does the frequency of a radio wave compare with the frequency of the vibrating electrons that produces it?
The frequency of a radio wave compares to the frequency of the vibrating electrons that make it because the frequency of a radio wave is proportional to the frequency of the vibrating electrons that make it.