2-13-1JEL

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A balun is an electrical device that converts an unbalanced signal, such as one that is composed of one type of electrical impedance, into a balanced signal in which the impedance of each line is equal. It stands for "balanced/unbalanced," as it is used to facilitate the conversion of signals between balanced and unbalanced devices. The balun works by transforming an unbalanced differential voltage signal into a balanced differential voltage signal. This is achieved by adding an additional transmission line that alters the signal to equalize the line impedances.

Baluns are used in applications where it is necessary to convert between single-ended and differential signals, or between ideal and real impedances. These applications include RF and microwave circuits, video surveillance systems, motion control, and industrial automation. A common application is for matching an antenna to a twisted pair cable. Baluns are also used to convert between coaxial and twisted pair cables.

A 2-13-1JEL balun is a particular type of balun designed for applications that require a large number of balanced output lines, such as high speed serial communications. It is a two-stage balun that combines two 1:1 single baluns together for greater signal fidelity. It consists of two 1:1 baluns that are connected by a transmission line, with one balun for each of the two outputs. This allows the output of the first balun to be balanced and converted to a single output line, while the second balun is used to convert the output of the first balun back into a balanced differential signal.

The working principle of a 2-13-1JEL balun is based on the principle of electromagnetic induction. This occurs when an alternating magnetic field is applied to a conductor and a voltage is induced across the conductor. This induction creates an alternating current in the conductor. The alternating current creates an alternating magnetic field around the conductor, which in turn induces an alternating voltage in the adjacent conductors. This alternating voltage is then balanced out by the single balun.

The 2-13-1JEL balun can be used in various applications such as RF/Microwave systems, signal modulation, signal transmission, and embedded systems. It is a high-performance balun that provides a high level of signal integrity and is capable of operating over a wide frequency range. The 2-13-1JEL balun has the advantages of high intelligibility and low radiation, making it suitable for a broad range of applications.

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