Abstract
The paper presents the Dual Use Driver (DUDE) for high speed links, a circuit designed for the Demonstrator ASIC for Radiation-Tolerant Transmitter in 28 nm CMOS (DART28) developed under the EP-R&D programme on technologies for future high energy physics experiments. The driver operates at 25.6 Gbps and it allows driving both 100 Ω transmission lines and optical Ring Modulators (RMs) integrated in a photonics integrated circuit (PIC). The driver includes configurable pre-emphasis. The device will allow to demonstrate the feasibility of wavelength division multiplexing (WDM) optical links operating with bandwidths in excess of 100 Gbps per fiber that are capable of sustaining total ionizing radiation doses up to 10 MGy.
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