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  1. What is the difference between the terms wave, waveform, and signal?

    What is the difference between wave, waveform, and signal? Or do they have the same meaning? Can they be used in place of one another?

  2. impedance - 50 Ω or high-Z setting on waveform generator?

    Apr 6, 2023 · I have an arbitrary waveform generator that allows me to set the load as 50 Ω or high-Z. This generator is connected to an amplifier that has as input an unbalanced BNC connector, 10 kΩ, …

  3. How do I save a waveform from ModelSim for later opening/viewing

    Saving the waveform as an image takes away a lot of important features, this is what I do at present but want to know how to save the wave itself for later use in the wave editor???

  4. What does the US power supply waveform look like?

    Sep 6, 2016 · I know that we (typically) get 120 V AC in USA, but what does the waveform look like? Can anyone post a pic? How many phases are there, and what's the peak voltage?

  5. What exactly are harmonics and how do they "appear"?

    May 21, 2012 · "how are harmonics generated? The signal is just "on" or "off", how are there first, third, and fifth harmonics and why do they get weaker?" // Although not a satisfactory answer, you could …

  6. What does the RMS value of a DC current waveform represent?

    Apr 19, 2023 · I understand (or at least think I understand) the math and calculation of RMS values and that it generally is used for representing equivalent power of non-DC circuits, like typical sinusoidal AC

  7. Power Supply Lightning Protection - Waveform 5A in DO-160

    Feb 7, 2025 · I am working on protecting a 28V power supply from lightning-induced surges. According to the DO-160 standard, the test limit for this design is set at 1600V/1600A. While I am aware of …

  8. What Does 8 x 20-µs and 10 x 1000-µs Mean in Surge Testing …

    Apr 24, 2013 · I'm trying to understand the meaning of 8 x 20-µs and 10 x 1000-µs standardized transient impulses (or sometimes it's called a waveform). But what does it actually mean.

  9. Observing frequency of waveform in LTspice

    Apr 7, 2018 · 5 I'm using Ltspice for circuit simulation. I stimulate the circuit using run command in the menu stimulate. But I didn't find how to measure (simply in hertz) frequency from there. So how can I …

  10. verilog - Why does output register remain x in the waveform even …

    end endmodule When I use ISE simulation mode, the waveform is like: To get the proper waveform, I first set the time. Then click the "restart" button and then "run for the time specified in the toolbar ". …