SGA-2163

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The SGA-2163 is RF amplifier, specificallya broadband high-gain medium-power amplifier that has a wide range of applications from HF to UHF. It offers excellent gain and high linearity with low current consumption thanks to its optimized design.In addition, the amplifier provides heating control for controlling the changing output power over temperature, as well as overdrive protection and thermal shutdown functions. The SGA-2163 is commonly used for portable radios, mobile radios, and hand portable radios.

The SGA-2163 has a typical gain of 15dB, a power gain flatness of less than ±2dB, and an output power of up to 10 Watts over the frequency range of 400MHz to 960MHz. It has an outstanding stability with a drain efficiency of up to 65% for higher power applications.The amplifier operates from a 5V DC input voltage, and provides a high linearity of more than 30dBc. The amplifier also offers a wide range of current consumption, making it suitable for compact applications.

The working principle behind the SGA-2163 RF amplifier is to amplify the desired frequency range, while rejecting unwanted signals with the added benefits of low band noise, high linearity, low power consumption, and higher output power. It is designed using advanced layout techniques and low-loss materials to achieve high power gain. The amplifier utilizes an input matching network to adjust the input impedance at the desired frequency range, helping to minimize the insertion loss.

The amplifier also utilizes an output matching network which is designed to control the output impedance at the desired frequency range, helping to optimize the impedance mismatch, while also minimizing the reflection loss. The output matching network also helps to maintain stable gain and linearity characteristics with temperature variations.

The SGA-2163 amplifier offers excellent gain flatness with a typical gain flatness of less than ±2dB over the desired frequency range. It also provides protection against overvoltage and overcurrent by utilizing thermal shutdown circuitry and limiting the operation of the amplifier when voltages become too high.

Overall, the SGA-2163 is an excellent amplifier for applications requiring high-gain broadband medium-power RF amplification. It offers outstanding gain, linearity, and current consumption, making it an ideal solution for compact applications. It also provides heating control for controlling the changing output power over temperature, as well as overdrive protection and thermal shutdown functions.

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