A new front-end electronics (FEE) for PHENIX Ring Imaging Cherenkov Detecto
r (RICH) has been developed. It consists of custom-made Backplane, Controll
er module. Readout module and AMU/ADC module, which are capable of processi
ng signals from 5120 Photo-Multiplier Tubes (PMTs). Several tests have been
carried out, and RICH FEE was proved to satisfy the requirement of PHENIX
experiment. The charge spectrum due to single photo-electron was successful
ly observed as well. (C) 2000 Elsevier Science B.V. All rights reserved.