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Proceedings Paper

Low-power high-resolution superconducting flux-quantizing A/D converter for IR array readout
Author(s): Sergey V. Rylov; R. P. Robertazzi
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Paper Abstract

We have developed a new architecture for a superconducting high-resolution analog-to-digital converter (ADC) which is highly beneficial for IR array readout applications due to its high sensitivity, wide dynamic range and sub-mW power consumption. This ADC is based on the principles of magnetic flux quantization, direct differential coding and decimation filtering. The digital part of the ADC employs elements of the Rapid Single Flux Quantum logic family which are capable of clock frequencies in excess of 100 GHz. We discuss the limits of ADC performance and present an analysis of the power consumption in these ADCs. We also report experimental verification of several key components of this architecture in Niobium technology (operating at 4.2 K), particularly the implementation of a synchronizer unit (necessary for the generation of the differential digital code) as well as a dual-counter synchronous ADC.

Paper Details

Date Published: 23 June 1994
PDF: 11 pages
Proc. SPIE 2226, Infrared Readout Electronics II, (23 June 1994); doi: 10.1117/12.178490
Show Author Affiliations
Sergey V. Rylov, Hypres, Inc. (United States)
R. P. Robertazzi, Hypres, Inc. (United States)


Published in SPIE Proceedings Vol. 2226:
Infrared Readout Electronics II
Eric R. Fossum, Editor(s)

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