MGA-21108-TR1G

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RF amplifiers have become an essential component in a wide range of wireless communication applications. The MGA-21108-TR1G is a great example of an RF amplifier designed to serve a variety of markets. This RF amplifier combines rich features with a high level of integration, making it an ideal solution for a variety of wireless communication applications.

Application Fields

The MGA-21108-TR1G works incredibly well in radio-frequency applications, due to its impressive performance and high power density. This device is suitable for mobile phone, repeater, and other digital/analog network infrastructure applications. It’s also useful for wireless auto-tracking and communications, providing reliable performance for point-to-point and point-to-multipoint designs. In addition, its small size and low power consumption make it well-suited for communications in industrial, residential, and commercial buildings.

Working Principle

The MGA-21108-TR1G is based on a wide band gain block design, featuring excellent low noise figure and outstanding gain and linearity performance. The RF input amplifier utilizes a GaAs pHEMT process technology, delivering 20 dB or higher gain with 10 dB or higher power added efficiency (PAE). This design also features an integrated positive output impedance and thermal compensation, enabling a wide range of temperature stability. With its efficient power amplifier, harmonic rejection filters, and two-stage gain architecture, the MGA-21108-TR1G is able to offer superior linearity performance over the entire frequency range.

The MGA-21108-TR1G also features a digital predistortion gain control, which is used to adjust the distortion levels and improve efficiency. This device is able to operate across a wide frequency range of 0.9 to 3.5 GHz, and the power amplifier is able to achieve a power output of 24 dBm peak for GSM1800, 17 dbm peak for UMTS/CDMA450, and 30 dBm peak for LTE.

The user can control the entire device through a programming interface or connected external digital processor. The integrated digital power control input (PCI) allows the user to adjust the gain and current of the power amplifier, allowing for higher efficiency and lower distortion by reducing the maximum current profile. Utilizing this advanced feature enables efficient operation by reducing peak temperature and power dissipation.

Conclusion

The MGA-21108-TR1G is an incredibly efficient and robust RF amplifier. It’s suitable for a wide range of wireless communication applications, including mobile phone, repeater, network infrastructure, and industrial/commercial buildings. Its excellent performance and high power density make it a great choice for radio-frequency applications, as well as its digital predistortion and integrated positive output impedance for temperature stability. Lastly, its programming interface is user-friendly and allows for efficient operation by limiting peak temperature and power dissipation.

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