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Re: Making a Q-meter /


 

I'm looking at this page in the files section,?
/g/Test-Equipment-Design-Construction/files/Q-factor%20%28Q%20is%20the%20inverse%20of%20dissipation%20factor%20DF%29./Method%20simplifies%20testing%20high-Q%20devices;%20Alan%20Victor,%20EDN%20Feb%202002.pdf
?It gives a chart of Notch depth vs series resistance (Rs). That doesn't work well with a 240uh coil with a Q of 1000 at 1MHz.
?XL would be 1507¦¸ that make Rs 1.5¦¸, that is below the charts(Figure 1) maximum Rs. Also the chart spacing is to wide to get meaningful numbers
and with the graph (Figure 2) even if you could read the graph with accuracy, it's poor. What is the mathematical formula to convert notch depth to actual Rs?
??????????????????????????????????????? Thanks, Mikek

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