Playing the amp loud at one frequency, I think, is hard on the output section, I can’t explain, but I think this type of testing should be done as little as possible.Ĭlick to expand.Sorry I didn't notice earlier that your load is on the left. It would be better to have a stand alone signal generator than to mess up a more expensive device.Īnd another point. The flubby IPad brings up another point from before. I already checked but I can’t remember if it was there or not. It was because I need to check for the -2.6 when playing music videos. The solution is play some music thru the amp and then go back to the tone generator. Play that flubby sound thru the amp and it comes thru. The tone generator will some times flub up the IPad, and it’s not the speaker like it sounds like. I’ve also played you tube videos thru the amp. Once the signal gets on the grid at a certain level, thats where it stays. There is not a mV of attenuation going from the IPad all of the way to the grid. The level with nothing connected is the same level at the grid, once it is connected. It doesn’t matter, it mostly always the same. Yes, actually I have done a lot of measuring with it connected and unconnected and connected to the amp but the amp not turned on. I looked it up, what that is is a high pass filter, if the cap is to the ground, then it is a low pass filter because the highs go to ground, if there are both, it is a band width filter. This class was not in "my field" at all (which is computer hw/sw, including DACS), it was kind of a random class choice, but it was fascinating and I had to work harder than I thought I would to pass it. I learned a ton of interesting things that I did not know and can now apply elsewhere, like air flow and bending brake and building code regs. If money is a problem you can probably get some kind of 100% fee-waiver at your local technical college for one course, with just a little work and charm.Ĭonfession: I did a continuing ed class this spring, HVAC pre-apprentice 1. Any technical subject is fine, you'll learn a lot that can be applied elsewhere. This will be hard work and might a bit of a humbling experience at times, but it will sharpen your skills and improve your life. To view a complete list of Case Studies and Tools available for free, visit Library & Tools main page Here.Peteb, you have tons of curiosity (which is a good thing!), but I feel like you could now really benefit from taking a technical class that is taught face to face by a qualified trained instructor, requires careful focused research and experiments by you, and that you are graded on. Please Sign-In or Sign-Up using the below Buttons. Only Signed-in users can fully activate this page. Violations will be construed as infringement of RITEC property. No reproduction of this page, without explicit written consent from RITEC, is authorized. RITEC is not in any way liable for accuracy of provided results, or damages from use. All efforts are made to ensure accurate results. This is a free demonstration tool provided by RITEC. The Root-Mean-Square (RMS) value of the displayed data is calculated for both the Time Waveform, as well as, the FFT Spectrum. In the FFT Spectrum plot, the user can change the Y-Scale maximum value, as well as Toggle to view in Log Scale (with Y-Scale fixed to 100). Finally, negative aliasing may also be achieved, just below the 0 Hz marker. This means that, aliasing will not occur just beyond the (displayed) Fmax, but rather the folding back of the signal (aliasing) will not occur until the signals' frequency is higher than the computed spectrum's frequency range. Furthermore, to simulate real-life situations, a computed spectrum of 1.28 times the displayed spectrum, is utilized. # Line options have been fixed in the drop-down menu to represent the Radix-2 FFT algorithm requirements, which is in use in most Vibration Analysis Portable Condition Monitoring Data Collectors. Signal Parameters such as amplitude and frequency, can be manipulated via the sliders to obtain the desired values.ĭata Acquisition Parameters such as Number of Lines and Fmax may also be changed. This simulator may be used to generate audio of single or dual sine wave frequency content in a signal.
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