Abstract

A Low DC-Power Multiplexer IC using an InP-based CML (current mode logic) -MOBILE (Monostable bistable transition logic element) RTD/HBT Technology has been proposed and fabricated. The proposed multiplexer topology is composed of two differential CML-MOBILE ICs and a newly proposed RZ-to-NRZ selector IC. By using the NDR (negative differential resistance) - based new topology, the DC power consumption has been significantly reduced compared to the conventional topology. The operation speed of the IC is confirmed up to 15 Gb/s. The power consumption of the multiplexer IC was measured to be as low as 34 mW at a supply voltage of -2V.

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