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Hi all,
I use RFSim99 pretty often, and appreciate all it does. I've come across a few "strangenesses" in the past, and just found a new one to add to the list: In the RF Calculator Resonance/Reactance tool, enter 10MHz and 50pF. The resonating inductance is correctly shown as 5.066uH. Now change the capacitance to 50nF; you'd expect the inductance to show as 5.066nH, but it shows instead as 5.061nH. Change the capacitance to 50uF and the inductance shows as 5.066pH as expected. This isn't a big error, but it's a little puzzling that it's there at all. I discovered it when calculating values for a very narrow LC filter near 10MHz; I'm not sure if the error is worse than this at some points or not. This particular error seems to be only in the calculator, not in the simulator. Cheers, Tom |
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