A wide‐range self‐contained amplifier and charge‐to‐time converter module for energy detectors was designed, prototyped and built. The charge‐to‐time conversion is accomplished using a LeCroy MQT300L integrated circuit and a switch is provided to convert either positive or negative charge inputs. This new module replaces the charge preamplifier, shaping amplifier, fast amplifier, CFD, and level discriminator normally found in a traditional NIM‐based system and can be placed close to the detector. It is powered from a small, dedicated AC‐DC power supply. The module is self‐triggering and provides an ECL timing signal from an onboard constant fraction discriminator. The outputs are routed to a standard RJ45 connector and conditioned for long cabling. Details of module linearity and timing resolution will be discussed. © 2003 American Institute of Physics