The Panasonic FX-11A is a slim, analog fiber optic sensor amplifier designed for precise light intensity detection in compact automation systems. Operating on a power supply of 12–24V DC ±10% with a ripple of less than P-P 10%, it ensures stable performance and accurate signal processing under varying voltage conditions. The amplifier consumes 35 mA or less, offering energy-efficient operation suitable for continuous industrial use. Built for easy integration into fiber optic sensing networks, the FX-11A delivers fast response and high reliability in detection applications. The main unit weighs approximately 60 g, emphasizing its lightweight and compact design for streamlined installation. The Panasonic FX-11A may possibly be applied in North America, Europe, Asia, and worldwide environments requiring slim-profile, high-precision analog fiber sensor amplifiers for automation and inspection systems.