SKY85309-11

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RF front-end systems are essential components in any wireless communication system. Such systems are typically composed of low noise amplifiers (LNAs), power amplifiers (PAs) and balanced mixers or modulators. The SKY85309-11 device is a RF front-end, which combines LNA, PA and mixer in one package for easy integration into wireless applications. It is an ideal device for wireless applications such as GSM,DCS,CDMA, 3G/4G LTE, and WiMax.

Features

The SKY85309-11 has many features that make it an ideal and reliable RF front-end, such as:

• High linearity and low noise
• High efficiency with low power consumption
• Compact size and easy integration
• Wide input bandwidth
• Integrated biasing networks

Applications

The SKY85309-11 can be used in a wide range of applications, including:

• Wireless Local Area Network (WLAN)
• Cellular Base Stations (BTS)
• GPRS/EDGE/3G/4G/LTE
• WiMAX
• Bluetooth and Other RF Systems

Working Principle

The SKY85309-11 is based on a multi-stage architecture, and consists of a low noise amplifier (LNA), power amplifier (PA), mixer/modulator, band filters, bypass switches, and integrated biasing networks. The LNA amplifies the received signal before it reaches the PA, which then amplifies the signal to the transmit power level. The mixer and modulator is used for up/down conversion of the signal and also provides signal modulation and demodulation. The band filters are used to reduce the out-of-band signals and improve the device’s linearity. Finally, the bypass switches are used to enable or disable individual stages, thus providing further control over the device’s operation.

Conclusion

The SKY85309-11 is a high performance RF Front-End that combines LNA, PA and mixer/modulator in one package, making it an ideal solution for wireless applications such as GSM,DCS,CDMA, 3G/4G LTE, and WiMax. It also offers high efficiency, low noise, wide bandwidth, and integrated biasing networks, all of which make it an ideal device for a range of wireless applications.

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