In this article, we explore strategies for optimizing and repairing output fluctuations in the REF196GSZ reference voltage source. The REF196GSZ is an essential component for precision applications where stable and accurate voltage is critical. However, like any precision equipment, it may encounter issues that lead to output fluctuations, which can impact performance. We discuss the causes of these fluctuations and provide practical solutions to mitigate or repair them, ensuring optimal performance in sensitive systems.