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| Number | Title | Issue Date |
| 6608581 | Superconductor modulator with very high sampling rate for analog to digital converters The invention provides an analog-to-digital modulator for converting an analog input signal to a digital output signal. The filter is constructed and arranged to subtract the feedback signal from the external input signal and to filter the subtracted sign... | 08/19/2003 |
| 5818373 | Interface between superconductor and semiconductor electronic circuits using phase-shift keying coded output data format Disclosed herein are circuits and methods for receiving SFQ data pulses from a superconductor signal source, and first and second clock pulses that are substantially equal in frequency but opposite in phase from clock signal sources, and for encoding and ... | 10/06/1998 |
