RF7413

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RF amplifiers are key components in many wireless communications systems, including cellular base stations, mobile handsets, satellite navigation systems, broadcast radio and television, and global positioning systems. The RF7413 is an integrated amplifier module designed for these wireless systems, providing high efficiency signal amplification for a variety of modulation schemes and signal formats. This article will discuss the application field and working principle of the RF7413.

RF7413 Application Field

The RF7413 is a two-stage amplifier suitable for a wide range of applications, from low-power base station and satellite transceiver designs, through to multi-carrier cellular base station deployments. It is optimized for use in broadcast radio and television transmission antennas, as well as in global positioning systems. The device can also be used for lower-power services, such as wireless local area networks, Bluetooth, or Wi-Fi.

The amplifier is designed to provide excellent efficiency and performance for the 2G-4G LTE and WiMAX standards, as well as 5G NR communications systems. It is suitable for use with MIMO (multi-in-multi-out) base station architectures, and can operate with both narrowband and wideband signals. The device can also be used in simplex or duplex operational scenarios.

The RF7413 has a wide operating frequency range covering 800MHz-2.7GHz. It is also certified for operation in cellular networks, with the majority of operators around the world using this amplifier in their 3G and 4G base stations. Available in a high-thermal performance 4X4mm surface-mount package, the RF7413 provides a low profile solution for indoor and outdoor wireless systems.

RF7413 Working Principle

The RF7413 is based on a two-stage amplifier topology, using a low-noise MMIC input amplifier and a complementary power amplifier. The device has a rated power gain of 30dB, and maximum output power of +26dBm. The amplifier has a noise figure of 1.4dB, and a nominal output third-order intercept of +34dBm.

The device is based on a heterojunction bipolar transistor (HBT) process, which offers high efficiency and linearity for power amplification. The amplifier utilizes a low-power CMOS driver stage, which allows for very low noise performance as well as power efficiencies up to 68%. The device also includes an active bias generator, which is designed to maintain optimal bias current accuracy versus temperature.

The RF7413 is designed to meet the rigorous requirements of the healthcare and medical industries. It is certified to the medical EMC standard IEC60601-1 3rd edition, and is compliant with other industrial safety and performance standards. The device has an internal temperature sensor with thermal shut-down protection for reliable operation in high temperature environments.

Conclusion

The RF7413 is a high efficiency two-stage amplifier suitable for a wide range of applications, from low-power base station and satellite transceiver designs, through to multi-carrier cellular base station deployments. Optimized for use in broadcast radio and television transmission antennas, as well as in global positioning systems, the device features a wide operating frequency range of 800MHz-2.7GHz, and a rated power gain of 30dB. The device has a nominal output third-order intercept of +34dBm, and a noise figure of 1.4dB. The device is designed to meet the rigorous requirements of the healthcare and medical industries, and is compliant with other industrial safety and performance standards. It is certified to the medical EMC standard IEC60601-1 3rd edition, and includes an internal temperature sensor with thermal shut-down protection for reliable operation in high temperature environments.

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