Frequently Asked Questions

Downloading, installing, running:

  1. I downloaded/received by email GoldExI's zip file. How do I install GoldExI?go 2 answer

  2. Where can I get the latest beta version of GoldExI? go 2 answer

  3. Command line.go 2 answer

How To's:

  1. Getting started: How to measure V(I)?go 2 answer

  2. All about Ic(H).go 2 answer

  3. How to measure the maximum current of the step Im(H)?go 2 answer

  4. How to measure Voltage or Resistance vs. Temperature i.e. V(T) or R(T)?go 2 answer

  5. How do I program a waveform?go 2 answer

  6. How to measure the response of the system to the digital input sequence(s)? How does it work?go 2 answer

  7. How to remove self-field from Ic(H) plot?go 2 answer

  8. How to remove series resistance from IVC?go 2 answer

Math:

  1. How math functions work when there is something selected on the screen?go 2 answer

  2. How GoldExI calculates Rn in Math | Rn & Ic and Math | Resistance Histogram functions?go 2 answer

  3. What is the difference between simple derivative (Math | Calculus| Simple dy/dx) and multi-point derivative (Math | Calculus| Multi-point dy/dx)?go 2 answer

  4. How Ic, Rn, Ie algorithms work?go 2 answer

Measurements features

  1. I need to specify a delay in microseconds rather than in milliseconds in Options|Delay. Can I write 0.1 ms? go 2 answer

  2. How does AutoZero feature work? go 2 answer

  3. How does the averaging work? go 2 answer

  4. How do I know that Turbo averaging works? go 2 answer

  5. How can I filter out 50 Hz noise? go 2 answer

  6. You say Turbo Averaging acts as a filter. What is its amplitude-frequency characteristic? go 2 answer

  7. How does Fast Generator work? Which currents GoldExI sweeps? What is the shape and the amplitude of the generated signal? What are the limitations?go 2 answer

  8. How exactly is going on when GoldExI measures each point of IVC? What are the delays? How are they related to averaging? go 2 answer

  9. Does GoldExI have any feature which protects experimental setup from sudden current/voltage jumps which may come from DAC cards?go 2 answer

  10. When doing Ic(H) measurements I am afraid that my small JJ is overheated when the working point jumps into the resistive branch of IVC. Can I reduce the time during which the working point stays on/moves along a resistive/quasiparticle branch? go 2 answer

File formats:

  1. What is the format of *.dat file which GoldExI creates? go 2 answer

Problems:

  1. When I click generator checkbox in Measurement window my PC hangs up. go 2 answer

  2. I do nothing but the voltage on some of channels jumps back and forth more or less randomly as I see in Measurement dialog window. Definitely, when I change the current e.g. dragging one of the scroll bars, those voltages also react, although continue to behave strange. Why all these happens? go 2 answer

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