X-tal tester circuit

2016-01-19 23:21  
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Here is X-tal test analog circuit. thisX-tal testerciruit to build for test x-tal. The frequency tuned by inserting placed ofx-tal tester. above the BC548  wires acolpitts oscilator. A good crystal will create high frequency oscillations, the output at the collector is rectified by the germanium OA91 diode and a deflection will appear on the meter. The more active the crystal, the higher the output deflection which may be adjusted with the preset. its simple X-tal tester to build and very easy to make it. Here is a schematicX-tal testercircuit:


x tal tester circuit 400x224 X tal tester circuit

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