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radio frequency for link to bts to bscs/msc
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∙ 10y ago
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What is a padder capacitor?
Padders are a type of Capacitors which are used at low frequency end of the radio dial.
How is modulation used?
To hear a radio 100 of miles away from the source when the frequency is 1000kc it would require antenna of tremendous size and bulk. So the idea is to transmit a very hi frequency and vary that frequency by 1000kc and then get rid of the carrier frequency and hear the modulation frequency only or 1000kc in this example.
Why is the UHF frequency band used for GPS transmissions?
The UHF frequency band used for GPS transmissions for clear reception and sending. UHF or ultra high frequency is meant for radio frequencies between 300MHz and 3GHz. Normal frequencies for GPS transmissions are 1575.42 MHz and 1227.60 MHz. UHF frequency band covers these GPS frequencies.
What is the use of capacitor before input of power supply AC?
They are used to offer a low impedence path to high frequency interference from switching sources such as fridges and thermostats. Also to curb radio frequency breakthrough.
Why intermediate frequency transformers are used in modulation process?
They are used as adjustable bandpass filters in superheterodyne (Google it) recievers. They determine how well you can select the radio station you require, while rejecting those close to it. They work in a fixed frequency range where their characteristics can be optimised.Very many modern radio recievers use some form of the superheterodyne principle though the function of the IF Transformer (ie bandpass filter) can be realised digitally, as in mobile phones for example. For AM radio a bandwidth of 9 KHz at 450KHz is typical.
What is the rate of oscillation for a radio frequency?
Radio frequency rates vary from 3KHz to about 300GHz. Radio frequencies are not only used for radio communication but are also in use in medicine and arc welding.
What is the highest frequency commonly used for unlicensed radio frequency connections?
95 GHz
What term is used for the level of radio waves?
Frequency
What is the main use of frequency modulation?
Frequency modulation is used to broadcast radio waves to receivers. The most common use of it is in FM radio, which contains a range of radio frequencies.
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 a RF Lead?
What is sometimes called a Radio Frequency lead is a shielded cable used beween pieces of equipement to reduce the effects of radio frequency interference.
What is VLF as used by the Titantic?
Very Low Frequency radio signals.
What radio wave frequency is used to ignite water?
14 megahertz
What is rf input in physics?
RF is used as an abbreviation of "radio frequency".
What does a sound technician use a frequency converter for?
This piece of equipment is used to convert a frequency from one channel to another. This is used in radio operations.
What is a tank circuit used for?
A tank circuit is used on a radio transmitter. It is an electronic circuit that is used to tune a specific frequency. The tank is made up of two components, an inductor and a capacitor. The two components are connected in a parallel with each other. This is where the term "tank" comes from. Used in a radio transmitter, it is tuned for maximum RF (radio frequency) output on the frequency the transmitter is tuned to.
What wavelengths are used for radio frequency?
In round figures 1 Km (AM broadcast radio) to 0.1 mm (microwave).
