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Theory articles

Basic principles, ideas, concepts, laws, and formulas behind electronics.


727 topics in this forum

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  3. PNP and NPN replacements

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  7. Wireless telephones

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  8. switching diode

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  9. What this circuit do???

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  10. MICRO ANTENNAS

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  11. Power transformer winding

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  12. Trying to understand

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  13. Gas turbine bike.

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  14. LED driving

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  15. Impedance matching

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