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Home › Magazines › 2007 › June › A 100 nH to 100 mH Single-Range Inductance...

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A 100 nH to 100 mH Single-Range Inductance Meter with LCD Readout

Coil Clinic

Published in issue 366, June 2007

A 100 nH to 100 mH Single-Range Inductance Meter with LCD Readout
Here’s a portable instrument to measure self-inductance quickly and accurately. Coil Clinic is a one-stop, autoranging meter with microprocessor control — all you do is connect up the unknown inductor and read the value on the LCD.

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‘Low Battery’ is erroneously displayed when the battery voltage is sufficiently high. The problem is conveniently solved by replacing R2 (10 k) with a 56 k resistor.

Click below to download a PDF copy of this article from Elektor magazine.

 

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PCB layout
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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