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VHF - Very high frequency
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Which type of electromagnetic wave has a wavelength that is about 10m to 1000m long?
The type of electromagnetic radiation includes the wavelength of 10 up to the -7 m is visible light. The wavelike properties of electrons are useful in determining the velocity and position of a particle.
What is the frequency range of visible radiation?
The frequency range for visible light is 400-790 THz
What is speaker frequency range?
Speaker frequency range or response is the range of frequencies that a speaker can play back sound in with a good amount of gain.
What is the frequency range for human audiable sound?
The frequency range for human audible sound is 20 Hz to 20,000 Hz.
What is the frequency range of spectrum?
The range of the visible spectrum is 400THz - 789THz.
What is the frequency range of intermediate frequency?
NTSC TV IFs:video, 45.75MHzchroma, 3.58MHzaudio, 4.5MHz
Operating frequency of Vodafone?
300MHz
What are 3 forms of Electromagnetic Radiation with a wavelength greater than visible light?
Infrared is one, radio waves are another and many include microwaves as a third but microwaves are used for communications and are a form of radio wave. Wavelengths between radio waves and infrared are called TeraHertz radiation. Radio waves start at very long wavelengths LF or low frequency defined as 30kHz to 300kHz, MF or medium frequency from 300kHz to 3MHz, HF or high frequency from 3MHz to 30MHz, VHF or very high frequency from 30MHz to 300MHz, UHF or ultra high frequency from 300MHz to 3GHz and SHF from 3GHz to 30GHz. After that they are normally just called microwaves. Many microwave ovens operate near 2.4GHz which is only UHF.
What are the three primary frequency ranges in wireless communications?
Radio frequency range which is at 3KHz to 300 MHz, Microwave which is at 300MHz to 300GHz, and Infrared is at 300GHz to 400 THz.
Why is Radio Frequency used in mobile communication?
the frequency used in mobile communication should be greater then 30mhz so cannot be reflected by the ionosphere thats why we are using a frequency of range less ghz so called "radio waves"
What is the wavelength of 300MHz electromagnetic wave in free space?
Wavelength = 1/Frequency
Which type of electromagnetic wave has a wavelength that is about 10m to 1000m long?
The type of electromagnetic radiation includes the wavelength of 10 up to the -7 m is visible light. The wavelike properties of electrons are useful in determining the velocity and position of a particle.
What are the applications of hartley oscillator?
hartley oscillators are mainly used in radio receivers. Also note that due to its wide range of frequencies it is the most popular oscilator
What is VHF Osilator?
A VHF ocsillator is a very high frequency ocsillator (30-300MHz). It oscillates (swings back and forth) at a VHF frequency.
What are the ranges of radio spectrum?
From about 9 kilohertz (kHz) to thousands of gigahertz (GHz). This portion is referred to as the RF Spectrum. As the frequency is increased beyond the RF spectrum, electromagnetic energy takes the form of infrared (IR), visible light, ultraviolet (UV), X rays, and gamma rays. The ranges, or frequency bands, are as follows. 3kHz to 30kHz v.l.f. Very low frequency 30kHz to 300kHz l.f. Low 300kHz to 3MHz m.f. Medium 3MHz to 30MHz h.f. High 30 MHz to 300MHz v.h.f. Very high 300MHz to 3GHz u.h.f. Ultra-high 3GHz to 30GHz s.h.f. Super-high 30GHz to 300GHz e.h.f. Extra-high
How do you measure 30MHz frequency at CRO?
If you must use an oscilloscope, then using Lissajous Figures will give you exact multiples of a given frequency. Naturally, you must have a known reference frequency at hand.These days a Frequency Counter will give adequate resolution.
What does vhf and uhf mean?
Very High Frequency and Ultra High Frequency. They are ranges of frequencies of radio waves in the electromagnetic spectrum. VHF ranges from about 30MHz to 300MHz, UHF is from about 300MHz to 3GHz. They are further subdivided into bands for; marine, amature, and other 2 way radio use, also designated channels for television and radio broadcast stations, as well as other uses throughout the world. In the US on the now defunkt analog television system VHF channels were 2-13 UHF channels were 14-83.
