MABA-011032

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Balun

A balun (also spelled balun, derived from balanced to unbalanced) is an electrical device that converts electrical energy between two circuits that are balanced and unbalanced. It can also be used to feed a signal from a balanced transmission line into an unbalanced load or vice versa. The input of the balun is typically a balanced two-wire system such as twisted pair or coaxial cable, while the output is an unbalanced single-wire system similar to that found in radios and other electronic devices. Baluns come in various forms, such as balun transformers, wide-band baluns, voltage-controlled baluns, and power-baluns.

MABA-011032 Application Field and Working Principle

MABA-011032 is a high-performance wide-band balun module designed for use in wireless communication systems. It is a 4-port balun module, meaning it allows a signal to be converted between balanced and unbalanced systems with four ports or connections. The balun is capable of processing signals in the 10MHz to 1.8GHz frequency range. It has an insertion loss of less than 1.1dB and an isolation of more than 20dB. The balun is designed to convert a single-ended input to a double-ended balanced output by using two differential outputs.

The MABA-011032 provides high isolation between the differential outputs, which helps reduce interference and increases overall signal performance. It also features excellent linearity, which ensures improved signal transmission across the frequency range. The balun supports low supply voltage, making it ideal for applications requiring low-power and high efficiency. It is suitable for use with various radio systems and wireless systems such as GSM, DCS, WCDMA, and LTE.

The working principle of MABA-011032 is very simple. It uses a two-stage coupling network which converts a single-ended input signal to a double-ended differential signal and isolates the two ports from each other. The first stage of the balun applies a coupled transformer, while a directional coupler is used for the second stage. The double-ended differential signal is then recombined using a 4-port hybrid coupler, which provides the desired isolation and linearity of the balun. The directional coupler will also protect the balun from high-power input signals, which could potentially damage the balun.

In summary, the MABA-011032 is a high-performance wide-band balun module designed for use in wireless communication systems and is a great choice for applications requiring low-power and high efficiency. Its two-stage coupling network allows for superior signal performance with excellent linearity and high isolation, while the directional coupler provides additional protection from high-power input signals.

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