SIMPLE INDUCTANCE METER


Posted on Feb 5, 2014

This figure shows the schematic diagram of the simple inductance meter. U1, a 74LS00 two-input quad NAND gate logic integrated circuit, two resistors, a capacitor, and a surplus microprocessor crystal form a stable crystal oscillator near the marked frequency of the crystal. The RF voltage is taken from pin 8 through isolation capacitor C3 to the measuring..


SIMPLE INDUCTANCE METER
Click here to download the full size of the above Circuit.




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Corey Moulton   Jan 24, 2018

What is U2? It is not in the parts list.

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