The National Instruments PXI-5404 is a high-performance 100 MHz frequency generator designed for the PXI platform. It functions as both a versatile function generator, capable of producing sine and square waves, and a high-precision clock source. With its wide frequency range and exceptional resolution, the PXI-5404 is ideal for a variety of automated test and measurement applications, including device characterization, telecommunications testing, and system synchronization. Its ability to phase-lock to other PXI modules via the PXI star trigger makes it a powerful tool for building complex, tightly-synchronized test systems.