AFEM-S105-TR1G

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RF Front End (LNA + PA) solutions are designed to provide a highly efficient method for processing wireless signal communication signals. The AFEM-S105-TR1G is a cost-efficient, high-performance LNA + PA solution from Skyworks Solutions, Inc. that balances performance, size, and cost. This article will describe the application field and working principle of the AFEM-S105-TR1G.

The AFEM-S105-TR1G is a 2.2/2.5GHz front end module that combines a low noise amplifier (LNA) and power amplifier (PA) together to create an integrated solution for wireless applications. The device is capable of providing both receive and transmit signals and is designed for use in IEEE 802.11 standard wireless applications such as WLAN, WiMAX and Bluetooth. The AFEM-S105-TR1G also features an integrated amplifier bias regulator for improved system stability and reliability. The device is housed in a compact DFN package measuring only 4.5x2.3x0.8mm. This small size and low cost make it suitable for use in handheld, portable, and embedded devices.

The AFEM-S105-TR1G is designed to provide a low noise figure for the receiver and a high associated gain as well as a low return loss for the transmitter. The device operates in the 2.2 to 2.5GHz frequencies with a power gain of 10.5 dB and features a noise figure of 0.8dB. The two gain stages are optimized to provide a more linear signal and higher output power with lower power consumption. The output power is 1.1 dBm and the input/output return loss is 2.5 dB.

The AFEM-S105-TR1G consists of a low-noise amplifier (LNA) and power amplifier (PA) integrated together. The LNA is designed to provide the lowest noise figure attainable to improve the receiver sensitivity. The LNA features an optimized input matching network to minimize the component count and the input return loss. The PA features an optimized bias circuit to reduce power consumption and improve system stability. The high-efficiency PA also features an impedance-matching network to reduce the Return Loss of the transmitted signal.

The AFEM-S105-TR1G is a perfect solution for wireless applications that require both transmit and receive capabilities in a single integrated solution. The device features a low noise figure, high associated gain, low power consumption, and low return loss. The low cost and small size make it ideal for use in handheld, portable, and embedded systems. The device is designed to provide the highest performance in the most cost-effective package.

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