Title :
Design of a 10 K NbN A/D converter for IR focal plane array sensors
Author :
Eaton, L.R. ; Durand, D.J. ; Sandell, R. ; Spargo, J.W. ; Krabach, T.
Author_Institution :
TRW Inc., Redondo Beach, CA, USA
fDate :
6/1/1995 12:00:00 AM
Abstract :
We are implementing a 12 bit SFQ counting ADC with parallel-to-serial readout using our established 10 K NbN capability. This circuit provides a key element of the analog signal processor (ASP) used in large infrared focal plane arrays. The circuit processes the signal data stream from a Si:As BIB detector array. A 10 mega samples per second (MSPS) pixel data stream flows from the chip at a 120 megabit bit rate in a format that is compatible with other superconductive time dependent processor (TDP) circuits being developed. We will discuss our planned ASP demonstration, the circuit design, and test results.<>
Keywords :
analogue-digital conversion; focal planes; infrared detectors; infrared imaging; niobium compounds; superconducting processor circuits; 10 K; 12 bit; 120 Mbit/s; IR focal plane array sensors; NbN; NbN A/D converter; SFQ counting ADC; Si:As; Si:As BIB detector array; analog signal processor; circuit design; parallel-to-serial readout; pixel data stream; superconductive time dependent processor circuits; Application specific processors; Cables; Circuits; Infrared detectors; Infrared sensors; Sensor arrays; Signal processing; Space technology; Surveillance; Temperature sensors;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
