Optical Receiver Front-end for Active Optical Cable in 180 nm CMOS

Abstract

This paper introduces a 4-channel optical receiver front-end in 180 nm CMOS technology for active optical cable application. The receiver is composed of HDMI 2.0 configuration, occupying area of $2.52\ \mathrm{mm}^{2}$. Regulated-cascode transimpedance amplifier is used in the chip. Shared inductor and capacitive feedback techniques are applied in limiting amplifiers to enhance bandwidth. The receivers consumes power of 54 mW at the data rate of 6 Gb/s with the energy efficiency of 3 pJ/bit/channel.