CG7987AF

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The CG7987AF is a semiconductor power amplifier module intended for RF power amplification applications in the 1.8 to 2.2 GHz frequency range. It consists of high-efficiency GaN high electron mobility transistors (HEMT), which offer higher gains and wide dynamic range. The module is designed to eliminate the cost and complexity of incorporating external power amplifiers and provides a highly system-integrated solution. This makes it ideal for applications in wideband communication systems, such as WiFi networks, LTE base stations, mobile and satellite radios, and general communication systems. It is also suitable for medical, industrial, and aerospace uses.

In terms of performance, the CG7987AF offers a wide output power range from 6 W up to 50 W with a peak efficiency of ~87%. This makes it particularly suitable for communication systems where the requirements on power efficiency are stringent. It also features a high linearity across its whole power range and a low noise figure for optimum signal clarity. This ensures excellent signal-to-noise ratio (SNR) and error-free performance.

On the mechanical side, the CG7987AF has a compact size that makes it suitable for integration into space-constrained systems. It features a reliable metal-shielded case suitable for enclosure installation. Additionally, it has several mounting options. Further, its broad temperature range from -40 C to +85 C guarantees reliable operation in extreme environments. To ensure its reliability, the module is also made of high-quality materials that are RoHS compliant. These materials also confer excellent heat dissipation properties and durability.

The working principle of the CG7987AF is based on the input and output waveform matching techniques. This is achieved by controlling the amplifying signal on the input and output power lines. This controller is part of the module\'s Wide Band Power Amplifier (WBPA) module, which also includes a temperature detector, reverse bias detector, and other circuits. Together, these components provide reliable output power and linearity control in the whole operating frequency range. Additionally, the amplifier is protected against over-voltage due to its built-in surge protection circuitry.

In conclusion, the CG7987AF is a high-efficiency, compact, and broad frequency range RF power amplifier intended for multiple applications in the 1.8 to 2.2 GHz frequency range. It features a wide output power range, high linearity, and low noise figure. Its small size and reliable shielding Case make it suitable for integration into high-end systems, and the RoHS compliant materials confer excellent durability. Additionally, its working principle is based on input and output waveform matching that is achieved through a controller circuit. All these features make the CG7987AF a suitable solution for applications in the communications field, medical, industrial, and aerospace sectors.

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