SE2521A34-R

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The SE2521A34-R is an RF Front End (LNA + PA) device designed for wireless applications. It is a highly integrated front-end product that combines low noise amplifier (LNA), power amplifier (PA) and a switching device that allows for selective gain optimization between the two. The device is configured using on-chip control pins that can be used to select the required gain settings. In addition, the configuration of the device also provides an integrated DC blocking capability.

The SE2521A34-R is designed to operate in the 868/915MHz frequency range, allowing for a wide range of applications. It is suitable for use in remote control and telemetry applications, wireless LAN and GSM/GPRS equipment, and short-range communication systems. The SE2521A34-R is especially designed to provide increased efficiency, even in the presence of external noise, while consuming very low power. It is also designed to provide immunity to noise and interference.

The SE2521A34-R consists of two individual stages: the low-noise amplifier (LNA) and power amplifier (PA). The LNA provides a high input-referred gain of 30dB while consuming only 4mA of current. The PA also provides a high output power of up to +18dBm while consuming only 6mA of current.

The SE2521A34-R features an on-chip switching device that allows for the selective optimization of gain between the two stages. This switching device is configurable through the on-chip control pins, which can be used to select the exact required gain setting. In addition, the device also includes an integrated DC blocking device that allows for the isolation of the input and output.

The SE2521A34-R is capable of providing significant RF performance while consuming very low power. It is highly efficient and also provides immunity to noise and interference. Moreover, the on-chip configuration provides a wide range of gain settings that can be used to optimize for the desired performance. As a result, the SE2521A34-R can be used in a wide variety of wireless applications.

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