ATB3225-75034CT RF/IF and RFID

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A balun, also known as a balanced-unbalanced transformer, is an electrical device that helps to match an unbalanced load to a balanced transmission line. This type of device is used to ensure the correct operation of antennas, cable, RF measurements, and other radio frequency equipment. ATB3225-75034CT is a balun manufactured by Taiwan Anker Technology Co., Ltd. This article will discuss the application field and working principle of the ATB3225-75034CT.

The ATB3225-75034CT covers a frequency range from 0.05 to 250MHz, while the frequency range of its transmission line is 600MHz. Its impedance is 50Ω and its matching accuracy is 0.3dB maximum. It has a maximum power rating of 100W, peak, and 10W average. The ATB3225-75034CT is an effective solution for the application of antennas, cable, and various other RF measurements. It can be used in a variety of applications including terrestrial and satellite TV, telecommunication networks, and RFID systems.

In terms of its working principle, a balun is essentially an AC electromagnetic transformer, consisting of two conductors that can be electrically and magnetically coupled with each other. An alternating current applied to one of the conductors will induce an alternating voltage in the other conductor, and vice versa. This allows for a balanced load and unbalanced source to be connected together in a balanced manner.

The ATB3225-75034CT balun consists of two separated parts – a pair of transformers and a Faraday shield. The Faraday shield can effectively reduce noise by blocking RF signals from entering the transformer coils. The transformer coils are then connected to the center conductor (hot) of the unbalanced line, while the Faraday shield is connected to the shield of the unbalanced line. This causes the center conductor of the unbalanced line to be feature-coupled with the Faraday shields, resulting in a balanced load.

The ATB3225-75034CT balun also features a high-efficiency common-mode isolator (CMI) which is designed to block common mode current and protect the device from interference. Additionally, this balun also features an integrated capacitor which helps to reduce the RF noise levels. As a result, the ATB3225-75034CT provides a high level of RF performance and protection which makes it suitable for a wide variety of applications.

In conclusion, the ATB3225-75034CT is a high-quality balun manufactured by Taiwan Anker Technology Co., Ltd. It is capable of covering a wide frequency range from 0.05 to 250MHz while its transmission line can reach up to 600MHz. It features a high-efficiency common-mode isolator which helps to reduce RF noise levels, as well as an integrated capacitor for added protection. As such, the ATB3225-75034CT is ideal for a variety of antenna, cable, and RF measurement applications.

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