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Search Publications by: Charles J. Burroughs (Fed)

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Displaying 151 - 175 of 233

Error Measurements and Analysis for an AC Josephson Voltage Standard

June 1, 2002
Author(s)
Charles J. Burroughs, Samuel Benz, Paul Dresselhaus
The Josephson arbitrary waveform synthesizer can be used as a precision voltage source for both ac and dc signals. Recent improvements in circuit designs have have resulted in output voltages greater than 100 mV so that we can investigate ac metrology

Nanotechnology for Next Generation Josephson Voltage Standards

December 1, 2001
Author(s)
Samuel P. Benz, Paul D. Dresselhaus, Charles J. Burroughs
We have developed two voltage standard systems: 1) the programmable Josephson voltage standard and 2) the Josephson arbitrary waveform synthesizer. The programmable system is fully automated and provides stable programmable dc voltages from -1.2 V to +1.2

AC and DC Voltages From a Josephson Arbitrary Waveform Synthesizer

May 7, 2001
Author(s)
Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus, Laurie Christian
We have synthesized and measured ac and dc voltages using a Josephson arbitrary waveform synthesizer. On-chip filtering has enabled the first practical operating margins for ac and arbitrary waveforms. Using a digital voltmeter, we demonstrate the

High Precision Comparison Between SNS and SIS Josephson Voltage Standards

April 15, 2001
Author(s)
Blaise Jeanneret, Alain Rufenacht, Charles J. Burroughs
Recently, a new Josephson voltage standard based on a 1 V programmable chip provided by the National Institute of Standards and Technology (NIST) was implemented at the Swiss Federal Office of Metrology (OFMET). A comparison with a conventional Josephson

Comparison Between the SNS and SIS Josephson Voltage Standards at OFMET

April 1, 2001
Author(s)
Blaise Jeanneret, Alain Rufenacht, Charles J. Burroughs
Recently, a new Josephson voltage standard based on a lV programmable chip provided by the National Institute of Standards and Technology (NIST) was impemented at the Swiss Federal Office of Metrology (OFMET). A comparison with a conventional Josephson

Nanotechnology for Next-Generation Josephson Voltage Standards

August 30, 2000
Author(s)
Samuel P. Benz, Paul D. Dresselhaus, Charles J. Burroughs
We have developed two voltage standard systems: the programmable Josephson voltage standard and the Josephson arbitrary waveform synthesizer. The programmable system is fully automated and provides stable programmable DC voltages from -1.2 V to +1.2 V. The

Low Harmonic Distortion in a Josephson Arbitrary Waveform Synthesizer

August 14, 2000
Author(s)
Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus
The use of broadband integrated filters has enabled practical operating margins for ac waveforms synthesized from the perfectly quantized voltage pulses of Josephson junction arrays. This improvement enabled the digital synthesis of arbitrary waveforms

1 Volt Josephson Fast Reversed DC Source

May 1, 2000
Author(s)
Charles J. Burroughs, Samuel Benz, Todd E. Harvey, H. Sasaki
We have made several improvements to the NIST Josephson FRDC (fast reversed dc) source so that it now operates at 1 Volt. We have made a precision comparison to a conventional semiconductor FRDC source by measuring the thermoelectric transfer difference of

DC Voltage Synthesis Using a Pulse-Quantized Josephson Voltage Source

May 1, 2000
Author(s)
Samuel Benz, Laurie Christian, Charles J. Burroughs, Clark A. Hamilton
We have synthesized and measured dc voltages using a bipolar pulse-quantized Josephson voltage waveform synthesizer. Bias current ranges were determined for 101 equally spaced dc voltage steps between -18.6 and +18.6 mV. The flatness of a step at -7.444 mV

1 Volt DC Programmable Josephson Voltage Standard System

June 1, 1999
Author(s)
Charles J. Burroughs, Samuel Benz, Todd E. Harvey, Clark A. Hamilton
NIST has developed a programmable Josephson voltage standard (JVS) that produces intrinsically stable voltages that are programmable from -1.1 V to +1.1 V.