SKY65364-21

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RF Front Ends

A Radio Frequency (RF) Front End (LNA + PA) is an important component of any communication radio system. It provides high signal gain, reliable reception, and efficient transmission of signals. The SKY65364-21 is an RF front end module (LNA + PA) specified for use in digital receivers and transmitters operating within the 2.4-2.5 GHz band.

SKY65364-21 Application Field and Working Principle

The SKY65364-21 is a wideband, low-noise RF front end designed for use in a variety of applications, including wireless local area networks (WLANs), Bluetooth systems, and point-to-point and point-to-multipoint radio systems. The module provides high signal gain and supports data rates of up to 54 Mbps.

The main circuits in the module are a low-noise amplifier (LNA) and a power amplifier (PA). The LNA part provides superior noise figure and improved signal sensitivity, while the PA part boosts the signal power. Both the LNA and PA share the same port, which reduces the complexity of the circuit design.

The LNA utilizes a single balanced topology, and it is designed for a high linearity operation to minimize intermodulation distortion. The amplifier has >50dB gain over the entire operating frequency range, and its output is connected to the input of the PA. The PA operates in a Class-AB to control the linearity and power of the amplifier. The output power of the PA is adjustable in the range of -18 dBm to +26 dBm.

Conclusion

The SKY65364-21 module provides a high signal gain, reliable reception, and efficient transmission of signals. Its unique design makes it suitable for a wide range of applications, including wireless local area networks (WLANs), Bluetooth systems, and point-to-point and point-to-multipoint radio systems. The module is a reliable and efficient solution for digital receivers and transmitters working within the 2.4-2.5 GHz band.

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