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This paper describes the design and measurement results of a high speed optical avalanche photodiode (APD) receiver produced in a standard BiCMOS process. The receiver is intended to be used in an optical wireless communication scenario and therefore has a large-area photodiode, high dynamic range and a dc photocurrent rejection loop. The receiver reaches the sensitivity of −31.8 dBm at 1 Gbit/s and...
Developing paradigm in high speed communication device is heterogeneous 3D integration of electronic components — designed on standard silicon wafers — and photonics, optimized in different processes. This paper shows the advantages of 3D integration and presents the measured results of two receivers fabricated in 0.35 μm SiGe BiCMOS technology. The first is a 10 Gbit/s regulated cascode (RGC) based...
This paper proposes a theoretical framework suitable for the realization of maximum flat group delay transfer functions in delayed feedback amplifiers. Theoretical results are presented for first order negative feedback amplifiers having a delay element inside the feedback loop. The achieved results show that under the maximum flat group delay conditions, it is possible to reach 100% bandwidth improvement...
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