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Theory articles

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


718 topics in this forum

  1. Re: what is trimmer

    • 7 replies
    • 2.3k views
    • 4 replies
    • 2.1k views
  2. reproduce PAL

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    • 1.6k views
  3. Three phase transformers

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    • 2.2k views
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    • 21 replies
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  4. Photodiode terminals

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    • 1.6k views
    • 6 replies
    • 3.2k views
  5. A chock coil

    • 13 replies
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  6. 100 uH coil

    • 13 replies
    • 4.4k views
    • 1 reply
    • 1.6k views
  7. BJT power supply 1 2

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    • 7.7k views
    • 4 replies
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    • 5 replies
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  8. Beta of the BJT

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    • 3.7k views
    • 2 replies
    • 1.6k views
    • 8 replies
    • 2.1k views
  9. QUESTION

    • 2 replies
    • 1.4k views
  10. Like resistors coils

    • 2 replies
    • 1.5k views
  11. Audio Transformer

    • 7 replies
    • 2.4k views
  12. What is a piezo 82dB

    • 9 replies
    • 3.8k views
  13. got any idea?

    • 2 replies
    • 1.7k views
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