Abstract
In this paper, an optoelectronic receiver IC for optical data storage applications is presented. The IC was developed in a 0.5 /spl mu/m BiCMOS technology with integrated PIN-photodiodes. It includes a new architecture of high-speed and low-noise transimpedance amplifiers with a gain range of 130 /spl Omega/ to 270 k/spl Omega/ programmable with a serial interface. The bandwidth is 260 MHz for highest gain which gives a gain-bandwidth-product of 70 THz/spl Omega/ and a sensitivity improvement by a factor of 2 compared to published OEICs. The amplifiers support a special write/clip mode. The output buffers are 130 /spl Omega/ impedance matched for optimized data transmission over a flex cable.
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