National Instruments 784096-01

The National Instruments 784096-01, also known as the PXIe-5698, is an advanced RF preamplifier module designed for seamless integration into PXI Express systems. It is specifically engineered to enhance the capabilities of the PXIe-5668 vector signal analyzer, though it can also function independently as a standalone preamplifier. This module occupies a single slot in a PXI Express chassis, providing a compact solution for high-performance signal amplification in test setups. It delivers a minimum gain of 23 dB for frequencies ranging from 10 MHz to 200 MHz, with gain levels rising to 32 dB for frequencies between 200 MHz and 2 GHz when enabled, effectively amplifying weak RF signals. When disabled, the module features minimal insertion loss with gains ranging from -0.8 dB to -2.6 dB depending on frequency, allowing signals to progress with negligible attenuation.

The 784096-01 is designed with a low noise figure that is essential for precise RF measurements; it showcases a noise figure of ≤3.1 dB at frequencies up to 200 MHz, maintaining excellent performance even at higher frequencies. Its architecture limits additional noise introduction, ensuring accurate measurements of low-level signals without significant distortion. The module can handle a maximum continuous safe RF power level of 10 dBm when the preamplifier is enabled and up to 30 dBm when bypassed, ensuring durability in demanding RF environments. It includes an RF signal bypass path managed by a mechanical relay, allowing users to remove the preamplifier from the signal path without needing to physically disconnect the system.

With a wide operational temperature range of 0 °C to 55 °C and storage capabilities between -40 °C to 71 °C, the 784096-01 is built to perform reliably in diverse conditions. It withstands operational shocks of up to 30 g and vibrations, making it a robust choice for various applications. The module measures 21.6 cm × 2.0 cm × 13.0 cm (8.5 in. × 0.8 in. × 5.1 in.) and weighs 500 g (17.6 oz). A warranty of 2 to 3 years further emphasizes its reliability and quality assurance.