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When Is a Non-Directional FM Antenna Directional

I’m going to go out on a limb here and start with a statement: In the real world, there is no such thing as a non-directional FM broadcast antenna. An isotropic radiator may be theoretically possible, but as soon as you connect a transmission line or mount the antenna, the field is disturbed and th

Posted on:11-30 View:1638
what are the different types of power supply

DC power supply A DC power supply is one that supplies a voltage of fixed polarity (either positive or negative) to its load. Depending on its design, a DC power supply may be powered from a DC source or from an AC source such as the power mains. AC-to-DC sup

Posted on:11-28 View:1027
MIB issues letter of intent for FM radio broadcasters

MUMBAI: The Ministry of Information & Broadcasting (MIB) has issued letter of intent (LoI) agreements to be signed by new and existing FM radio broadcasters with Prasar Bharati for the allocation and operation of radio channels. As per the notice inviting applications (NIA), once the auc

Posted on:11-28 View:432
What is the modulation characteristics of FM broadcasting

Modulation Frequency modulation or FM is a form of modulation which conveys information by varying the frequency of a carrier wave; the older amplitude modulation or AM varies the amplitude of the carrier, with its frequency remaining constant. With FM, frequency deviation from the assigned

Posted on:11-28 View:3603
Resolving FM Interference to LTE Broadcast Requires Cooperation

An interesting spectrum phenomenon has reared its ugly head over the past few years. The ubiquity of mobile devices, the desire for faster data speeds, longer battery life and increased features have brought us to later-generation standards such as LTE, which stands for Long Term Evolution.

Posted on:11-27 View:1712
Question list Questionnaire for building FM Radio stations

Recently we have received many inquires about building FM radio stations from different customers, however, sometimes our customers are not quite sure what information they should provide to make us understand their needs. Thus we have made a question list as below for us to understand better.

Posted on:11-26 View:623
FCC’s AM Revitalization = Move AM Stations to FM

For those who have been waiting with baited breath since 2013 to find out how the FCC plans to revitalize the FM dial: your wait is over. The Commission released its First Report and Order on Revitalization of the AM Radio Service late on Friday after its October open meeting. The order covers a fe

Posted on:11-26 View:1440
How to Evaluate an Old Transmitter

In the pages of Radio I’ve written many times about the importance of having a second (and even a third) transmitter. Usually, the context for this is ways and means to buy a new transmitter. However, we all know simply buying a new one is not always possible. Several times, early in my

Posted on:11-26 View:193
"The Tarsier": A Silent-Alarm Radio Transmitter and Receiver...

Invents introduces "The Tarsier" which will revolutionize how all drivers share the streets and highways today. New York, NY - November 5, 2015 According to the Internet injuries to motorcyclists are out of proportion to their presence on the roads. They are just 1% of total r

Posted on:11-25 View:230
what is transmitter station

A transmitter station or transmission facility is an installation used for transmitting radio frequency signals for wireless communication, broadcasting, microwave link, mobile telephone or other purposes. Choice of location The location may be chosen to fit the coverage area and for

Posted on:11-25 View:555

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