RFX8422S RF/IF and RFID

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RF Front End Module is a highly integrated single and multi-channel RF front end module. It is widely used in various wireless communications systems such as base stations, cellular phones, satellite communications systems, wireless local area networks (WLANs) and cordless telephones. The RFX8422S front end module is ideal for use in these systems as it provides a comprehensive range of features for rapid system integration. These features include a low noise pre-amplifier, low power amplifier, adjustable antenna gain and power control.

The RFX8422S front end module is designed for use in single-antenna wireless systems. It consists of a low noise amplifier (LNA), a power amplifier (PA) and a switching circuit that allows the user to switch between the two amplifiers via a digital control pin. The LNA provides gain over the entire signal bandwidth of the system, while the PA is designed to provide gain in the desired frequency range. The RFX8422S is also designed to prevent interference between adjacent carrier frequencies, ensuring higher image rejection.

The RFX8422S has excellent linearity features, with low inter-modulation distortion (IMD) of less than 0.05dB. It also has adjustable gain control and adjustable power output, allowing the user to set the power level precisely to meet the needs of their system. Furthermore, as the RFX8422S is powered from a single supply voltage, it is ideal for a wide range of applications that require a low-cost, low-power amplifier.

The RFX8422S also features integrated Temperature Compensated Self-Correction (TCSC) which compensates for power drift caused by temperature variations. This ensures the amplifier maintains a consistent output power throughout its operating temperature range. The device is optimized for direct modulation and it includes both SMT and Through-Hole versions providing cost effective design flexibility. The device also features over-current protection which prevents the amplifier from being damaged due to incorrect system configuration.

The RFX8422S is ideal for use in a wide range of applications such as mobile phones, wireless local area networks (WLANs), cordless telephones, satellite communications systems and digital radio. It is also suitable for use in high power digital radio, short range communication devices, Wi-Fi cards and other consumer electronics requiring accurate and reliable signal delivery. The RFX8422S provides users with an excellent performance and features in a small, cost effective and highly integrated RF front end module.

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