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Theory articles

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


723 topics in this forum

  1. Low-pass Filter? 1 2 3 4 6

    • 127 replies
    • 47.1k views
  2. Audioguru FM Tx 1 2 3 4 5

    • 122 replies
    • 36.5k views
  3. Bigginers Handbook 1 2 3 4 5

    • 115 replies
    • 41.1k views
    • 108 replies
    • 33k views
  4. BJT biasing formulas 1 2 3 4

    • 82 replies
    • 28.4k views
  5. Transformer Power Rating 1 2 3

    • 60 replies
    • 43.4k views
    • 48 replies
    • 11.5k views
    • 40 replies
    • 11.6k views
    • 39 replies
    • 10.6k views
    • 37 replies
    • 10.9k views
  6. Voltage Multiplier 1 2

    • 34 replies
    • 13.9k views
  7. BJT power supply 1 2

    • 34 replies
    • 9.4k views
  8. Op amp theory Q's 1 2

    • 33 replies
    • 12.4k views
  9. DC to AC 1 2

    • 32 replies
    • 9.3k views
  10. opamp roll-off 1 2

    • 31 replies
    • 12k views
  11. Ft of the transistor 1 2

    • 29 replies
    • 7.6k views
  12. a very simple FM Tx 1 2

    • 29 replies
    • 8k views
    • 28 replies
    • 8.2k views
  13. Crystal examiner

    • 24 replies
    • 6.3k views
    • 24 replies
    • 7.1k views
  14. OPAMP questions

    • 23 replies
    • 7.7k views
    • 23 replies
    • 8.2k views
  15. RC phase shift

    • 23 replies
    • 6.8k views
    • 21 replies
    • 7k views
  16. PWM

    • 21 replies
    • 6.4k views
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