Transcription of Antennas - A Brief Tutorial - Cooper Industries
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Antennas - A Brief Tutorial - Cooper Industries
Antennas - A Brief Tutorial By Randy Klassen, OMNEX Contr ol Syst ems Inc. Antennas are simply lengths of conductive metal that radiate radio signals into the air. Most common Antennas ar e designed to be one-quarter , sometimes one-half, the wavelength of the radio signal they are to transmit/receive. Wavelength is calculated with the formula: Wavelength (meters) = 300/frequency (MHz). For example, OMNEX HopLink radios use frequencies ranging from 902-928 MHz, so based on this formula, the wavelength of our radio signals are approximately one-third of a meter , or one-foot. Keeping in mind then that Antennas ar e generally one-quarter wavelength of the radio signal, our basic Antennas for the 900 MHz HopLinks are typically no more than 3 inches in height. antenna TYPES There are wide var ieties of Antennas used for the transmission of radio signals in the world today.
Antennas - A Brief Tutorial By Randy Klassen, OMNEX Control Systems Inc. Antennas are simply lengths of conductive metal that radiate radio signals into the air.
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