SE5501L-R RF/IF and RFID

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The SE5501L-R RF Front End is a high performance sub-1GHz RF Front End device designed for applications including low power wireless access points, wireless mBMS/sensors, and point to point industrial applications. It consists of a low noise amplifier (LNA) and power amplifier (PA) in a single package, operating over an industry standard Frequency range of 860 to 960MHz.
The SE5501L-R RF Front End integrates a high linearity LNA with a single-power output stage to provide a fully balanced, high efficiency amplification chain. The LNA has a typical gain of 20dB and its output stage has a typical output power of +28dBm. The output stage is capable of providing up to +33dBm of peak output, with an efficiency of 65% for a maximum current of 1A.

The LNA and PA both feature high linearity and robust design for operations in harsh radio environments. The wide operating bandwidth (860 to 960MHz) provides a wide degree of flexibility for different applications. The SE5501L-R RF Front End also has a slew rate of 50nS, which is suitable for use in radio communication systems.

The working principle of the SE5501L-R RF Front End is relatively simple. The device consists of two integrated stages: an LNA stage and a PA stage. The LNA is responsible for amplifying and conditioning the signal received from the antenna. It has a wide input dynamic range, as well as low noise figure and high linearity. The output of the LNA is then connected to the PA stage, which amplifies the signal and routes it to the desired load. The output stage has a wide output power range and high efficiency, being capable of providing up to +33dBm of peak output.

The SE5501L-R RF Front End is designed to be used in a wide variety of applications, due to its small size, low power consumption and wide operating frequency range. It is suitable for low power access points, wireless mBMS/sensors, and point to point industrial applications. The device is built with robust design, high linearity and wide operating bandwidth, making it suitable for use in harsh radio environments.

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