Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Frequency:	890MHz ~ 915MHz, 1.92GHz ~ 1.98GHz
P1dB:	--
Gain:	27.3dB
Noise Figure:	--
RF Type:	UMTS
Voltage - Supply:	3.2 V ~ 4.2 V
Current - Supply:	400mA
Test Frequency:	1.92GHz ~ 1.98GHz
Package / Case:	14-SMD Module, No Lead
Supplier Device Package:	14-SMD Module

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RF amplifiers: ACPM-7357-TR1 Application Field and Working Principle

DATEL is a leading manufacturer of high-performance RF amplifiers for the highest levels of reliability. Their ACPM-7357-TR1 is one of their most advanced amplifiers, designed to deliver the most efficient performance and highest quality signal possible.

Application Field

The ACPM-7357-TR1 is a multi-functional amplifier primarily used in professional broadcasting applications, providing an extended frequency response and excellent linearity and gain. It has a power output capability of 50W, making it suitable for use in applications such as radio, broadcasting, and companding. It also has a very low distortion rating of 0.5%, ensuring the signal is transmitted in the clearest way possible.

Technology Specifications

The ACPM-7357-TR1 offers an operating voltage of 28V to 32V, with a maximum input of +11dBm and a minimum of -25dBm. It is also protected against low and high voltage extremes, providing long-term stability and noise free performance. The amplifier is designed with a power efficiency of 75%, providing energy savings to its users.

Working Principle

The ACPM-7357-TR1 is a Class AB amplifier, where the final output is determined by the switching between two amplifying stages. During the switching, the output transistors are never completely cut-off, providing optimum linearity and signal clarity. The input signals are separated into two identical waveforms which are then moved 180 ° from each other and amplified. Built with a Frequency selective feedback circuit, it offers a high level of stability by monitoring the output and comparing it to the input signal. It also offers advanced thermal protection, ensuring that the system is protected from potentially damaging high temperatures.

Additional Features

The ACPM-7357-TR1 is also equipped with a built-in Level Absolute Protection circuit, which allows the user to set predefined maximum levels for the amplifier. This ensures that the amplifier is protected from any potentially damaging output levels. It also has a muting and protection/restart function, which will automatically shut down the amplifier when input levels exceed the pre-defined limit, or when the input level is below the threshold. Additionally, the amplifier incorporates an Integrated Circuit Reliability Protection that will protect the IC’s against short circuits, and a under/overvoltage protection system to guard the device against potential destruction.

Conclusion

The ACPM-7357-TR1 is an advanced amplifier designed for high-performance operations that require reliable and efficient broadcasting of signals. It offers a number of features that ensure robust and consistent performance, protecting the device from potential damage. With its high power output and frequency response capabilities, it is the perfect choice for consumers who require an amplifier that delivers superior quality performance.

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