Search

Presents information on a single-chip digital SQUID magnetometer, which integrates a sensitive analog SQUID sensor with a comparator gate and feedback circuitry on the same chip. Information on the comparator gate; Dynamic range of digital chips.

Reports on the development and demonstration of high bandwidth Josephson circuits to interface the output of Rapid Single Flix Quantum (RSFQ) circuits to room temperature electronics. Design of asynchronous dc powered voltage driver circuits; Characterization of the driver circuits.

Presents information on digital error-correction circuits which were designed, fabricated and tested to improve the performance of superconductive flash analog-to-digital converters (ADCs). Information on the comparators coding the most significant bits (MSBs); Other information on the experiment.

Compares the Superconducting Quantum Interference Device (SQUID) wheel/Quantum Flux Parametron (QFP) comparator to a Rapid Single Flux Quantum (RSFQ) compatible design. Simulation of the devices to demonstrate threshold accuracy; How the designs were demonstrated.

Presents information on a Time-to-Digital converter (TDC) which was designed, fabricated and tested. What the TDC circuit consists of; Value of th counter; How the TDC resolution is determined.