Theory articles

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

692 topics in this forum

  1. Low-pass Filter?

    • 127 replies
    • 34,187 views
  2. Audioguru FM Tx

    • 122 replies
    • 21,950 views
  3. Bigginers Handbook

    • 115 replies
    • 28,666 views
    • 108 replies
    • 20,644 views
  4. BJT biasing formulas

    • 82 replies
    • 16,296 views
  5. Transformer Power Rating

    • 60 replies
    • 37,367 views
    • 48 replies
    • 7,119 views
    • 40 replies
    • 7,913 views
    • 39 replies
    • 7,165 views
    • 37 replies
    • 5,923 views
  6. BJT power supply

    • 34 replies
    • 5,689 views
  7. Voltage Multiplier

    • 34 replies
    • 10,407 views
  8. Op amp theory Q's

    • 33 replies
    • 8,901 views
  9. DC to AC

    • 32 replies
    • 5,943 views
  10. opamp roll-off

    • 31 replies
    • 7,432 views
  11. Ft of the transistor

    • 29 replies
    • 4,490 views
  12. a very simple FM Tx

    • 29 replies
    • 4,987 views
    • 28 replies
    • 5,154 views
  13. Crystal examiner

    • 24 replies
    • 3,886 views
    • 24 replies
    • 4,810 views
  14. OPAMP questions

    • 23 replies
    • 5,466 views
    • 23 replies
    • 3,862 views
  15. RC phase shift

    • 23 replies
    • 4,324 views
    • 21 replies
    • 4,323 views
    • 21 replies
    • 4,921 views
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