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Balun

Baluns, short for Balancing Transformers, are used in pairs to enable the transmission of differential signals between the two ports. BRN6036-0020S baluns are designed to operate in the frequency range from 183 to 536 MHz. They are specifically designed for use in packet and digital transmission applications, as well as some TV applications. The BRN6036-0020S can provide a high level of isolation between the two ports, ensuring that any signal interference is minimized.

Application Field

The BRN6036-0020S baluns are designed to provide perfect 90 degree phase splitting from the input port to the two output ports, which are typically designated as the common-mode port and the differential-mode port. This type of balun can be used in many RF applications, including:

• Radio Transmission and Receiving
• Microwave Radio Applications
• VHF/UHF Applications
• Transmission Line Balancing
• Test and Measurement Systems
• Antenna Impedance Matching

In addition, the BRN6036-0020S baluns can be used for other combinations of matching and/or isolation applications.

Working Principle

The BRN6036-0020S baluns are a type of transformer that is built using two coils wound in opposite directions and separated by a non-conductive substrate such as ferrite core. The purpose of the two coils is to create a differential voltage between the two outputs by providing wound transformers with two inputs where each input receives 180 degrees out of phase signals, and one output carrying the 180 degrees out of phase signals.

The distance between the two coils is also an important factor for the differential mode voltage, as it affects the amount of current flowing through the cores. The two coils then create a ‘magnetic flux’ which is divided between them based on the distance between them. This magnetic flux is coupled between the two coils to generate the differential voltage.

At the output of the balun, the differential voltage is then converted back into the original two separate signals, the common-mode and the differential-mode, and then presented at the output terminals. This enables the transmission of signals between the two ports without any mutual interference.

Conclusion

The BRN6036-0020S is a high-performance, high-isolation balun designed for use in RF applications. Through its unique design, it is able to provide a perfect 90 degree phase splitting from the input to the two output ports, which is essential for the efficient transmission of radio signals. The high degree of isolation also ensures that any interference is minimized.

In conclusion, the BRN6036-0020S balun is an ideal choice for use in RF transmission applications, providing high-performance operation and high-levels of signal isolation.

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