EHF-2BE1800 RF/IF and RFID

Series:	EHF
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Frequency Range:	1.7GHz ~ 1.9GHz
Impedance - Unbalanced/Balanced:	50 / 100 Ohm
Phase Difference:	180° ±15°
Insertion Loss (Max):	1.0dB
Return Loss (Min):	--
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount

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Introduction

Balun ( BALanced-to- UNbalanced) is a specialized transformer used in various electrical devices and equipment. It is essentially an impedance matching device that routes a single-ended coaxial or balanced input signal to a balanced output signal. Specifically, it can transform different types of electrical signals, such as unbalanced single-ended input signals to balanced signals that are suitable for use in transmission. It can be used to isolate by galvanically separating sections from the main electrical signal path, to reduce ground loop currents, or to change impedance values. One example of this kind of device is EHF-2BE1800, a balun specifically designed for HFC networks and certain radio-frequency applications.

Application Field of EHF-2BE1800

The applications of the EHF-2BE1800 balun are primarily within HFC (Hybrid Fiber Coaxial) network RF systems, usually for the system’s amplification and distribution, providing a steady level of power to users. Additionally, the balun can also be used for different kinds of wireless communication systems, whereby the device converts and balances the unbalanced signals from a single antenna to a balanced output signal.Due to its wide frequency response range ( 1.8 GHz – 2.7 GHz ) and high power rating, the EHF-2BE1800 balun is suited for many RF systems. It is capable of operating in different environments and is certified to operate in a damp climate. It is also designed to be easy to use; it features a compact design for easy installation and connection to other equipment, as well as color coded cable connections for convenience.

Working Principle

The EHF-2BE1800 balun consists of a balanced component connected in series with a balanced and an unbalanced component. The balanced and unbalanced components are connected in parallel, where the unbalanced line is connected between the two balanced parts. The unbalanced output line is then connected to the device\'s output terminal.An unbalanced signal is converted into a balanced two-wire signal with equal positive and negative voltages but out of phase with each other. The two-wire balanced signal is then fed through the balanced elements of the balun. This is possible due to the properties of the balun’s components, which are designed to convert the single-ended input signal into two-wire or four-wire signals, while minimizing the common-mode noise.The result is a balanced output signal that is suitable for applications in RF networks and wireless communication systems. The balun is made of high quality components and is highly reliable. It also features low signal loss, low thermal sensitivity, and low DC resistance.

Conclusion

The EHF-2BE1800 balun is a reliable and highly efficient device designed to convert a single-ended input signal into a balanced output signal. It can be used in various coordination systems, particularly in HFC networks and other wireless radio-frequency applications. The device is easy to use with its own color coded cables and is certified to operate in a damp environment. Its wide frequency response range and high power rating make the balun a robust and reliable device in many applications.

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