MSA-3186-TR1G

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RF amplifiers enable devices to detect, amplify and transmit radio frequency signals. The MSA-3186-TR1G is a monolithic amplifier module that utilizes new technologies to deliver reliable and high-performance RF amplification. This article outlines the application field and working principle of the MSA-3186-TR1G.

Application Field

The MSA-3186-TR1G is a versatile RF amplifier designed for a wide range of applications, from radio transmitters and receivers to radar systems, communication links, industrial automation, and automotive/energy systems. The module is particularly suitable for low-noise and high-linearity applications.

Technical Parameters

The MSA-3186-TR1G amplifier module has a variety of technical parameters. It has a maximum DC power of about 5.8W, a frequency range of 690MHz to 2.7GHz, and an input/output return loss better than 25dB/30dB. Additionally, the MSA-3186-TR1G offers a maximum gain of 27dB and an oscillation frequency of 30MHz. It has a noise figure of less than 6dB and average output linearity IP3 better than +32.5dBm. The module is packaged in a 7.8*7.8*1.1mm QFN package, which is designed to provide excellent isolation and high-frequency performance.

Working Principle

The main working principle of the MSA-3186-TR1G is based on the doherty power amplifier topology. It consists of two power amplifiers connected together while being regulated differently. One amplifier operates at large power levels, while the other operates at reduced power level. By modulating the bias of the power amplifiers, the MSA-3186-TR1G is able to provide a stable output with high efficiency and linearity.The MSA-3186-TR1G also features smart power detection, which enables the device to automatically regulate the operating voltage of the amplifier to match the supply voltage. This helps to reduce power consumption and maximize efficiency. It also has an integrated temperature sensor and auto-protection features, which help ensure safe and reliable operation.

Conclusion

The MSA-3186-TR1G is a high-performance RF amplifier module that is suitable for a wide range of applications. It is highly efficient and offers excellent stability and linearity. The amplifier module utilizes a doherty power amplifier topology to provide improved efficiency and linearity. Additionally, the MSA-3186-TR1G also features smart power detection and temperature sensing capabilities to ensure reliable operation.

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