Automatic Gain Transimpedance Amplifiers for analog applications having high bandwidth, wide dynamic range, and ultra-high linearity. The transimpedance amplifiers includes an operational amplifier and a variable feedback resistance means connected between the input and the output of the amplifier. The...http://www.google.de/patents/US5646573?utm_source=gb-gplus-sharePatent US5646573 - Automatic gain-control transimpedence amplifier
