The Libera Digit 125 is a general purpose digitizer with 4 channels and a sampling frequency of 125 MHz. The data is stored in a configurable buffer with max 8 M data samples stored per channel. Instrument is available in AC and DC version. The DC-coupled version has a front-end with 40 MHz bandwidth, suitable for time-domain processing of signals coming from different types of sensors. The AC-coupled front end has a bandwidth ranging from 10 MHz to 700 MHz and is suitable for narrow-band signals and digital down-conversion applications.