The 20065201-003 Master Acquisition Modulator (MAM) board assembly is compatible with MKS MultiGas 203X /603x Rev G Fourier Transform Infrared (FTIR) gas analyzers designed for data acquisition rates up to 5Hz. This interal printed circuit board (PCB) assembly serves as a core electronic component within the analyzer, contolling and interpretting the data output of the modulator assembly.