High-performance superconducting digital-to-analog converter emp

Details High-performance superconducting digital-to-analog converter emp High-performance superconducting digital-to-analog converter emp

1993-12-21

1995-03-14

Logan, Sharon D.

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341149, 341171, H03M 112, H03M 166

Patent

active

053980301

ABSTRACT:
A high-performance superconducting digital-to-analog (D/A) converter providing asynchronous high-speed, low-power D/A conversion. The high-performance superconducting D/A converter includes a double-junction superconducting quantum interference device (SQUID) voltage divider circuit, which generates a series of discrete binary voltages, and a double-junction SQUID voltage selector circuit, which selects the binary voltages in accordance with a digital input signal. The currents generated by the selected binary voltages are added together to produce an analog output current that represents the digital input.

REFERENCES:
patent: 4922250 (1990-05-01), Phillips et al.
patent: 4956642 (1990-09-01), Harada
patent: 5019818 (1991-05-01), Lee
patent: 5128675 (1992-07-01), Harada
patent: 5192951 (1993-03-01), Ko

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