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Forum: Elementary Electronic Questions

Want to learn electronics and need a points to start? Need help in your electronics related homeworks? Need a seminar topic? All questions can be asked here.

  1. Sticky Thread Sticky: Resources for some of your basic electronics engineering questions

    Started by EastbayA, 17th April 2018 17:11
    • Replies: 0
    • Views: 3,517
    EastbayA
    17th April 2018, 17:11 Go to last post

  2. Sticky Thread Sticky: Before Post here please read this

    Started by Fragrance, 22nd February 2011 08:38
    • Replies: 0
    • Views: 32,785
    Fragrance
    22nd February 2011, 08:38 Go to last post

  3. Sticky Thread Sticky: READ BEFORE YOU POST - do not post e-books, ieee papers here

    Started by pranam77, 21st August 2009 09:05
    • Replies: 0
    • Views: 31,000
    pranam77
    21st August 2009, 09:05 Go to last post

  1. Multiple AC inputs relay (light PLC)

    Started by my_name, Yesterday 22:11
    1 Attachment(s)
    • Replies: 1
    • Views: 38
    BradtheRad
    Today, 03:40 Go to last post

  2. stacking diodes for high voltage rectification

    Started by Zak28, Today 01:57
    • Replies: 0
    • Views: 42
    Zak28
    Today, 01:57 Go to last post

  3. Why Z and Y matrices must be pure imaginary for reciprocal lossless N-port junction ?

    Started by promach, 15th August 2019 07:58
    1 Attachment(s)
    • Replies: 2
    • Views: 189
    pancho_hideboo
    16th August 2019, 06:48 Go to last post

  4. Subtract two dc voltages.

    Started by Nancy12345, 15th August 2019 05:54
    • Replies: 8
    • Views: 323
    KlausST
    16th August 2019, 06:47 Go to last post

  5. [SOLVED] magnet wire parasitic properties

    Started by Zak28, 15th August 2019 00:07
    • Replies: 5
    • Views: 210
    FvM
    15th August 2019, 12:26 Go to last post

  6. Calculating switching losses of a mosfet when switching energy is not given

    Started by Cecemel, 13th August 2019 17:21
    1 Attachment(s)
    • Replies: 6
    • Views: 279
    KlausST
    14th August 2019, 19:40 Go to last post

  7. Single conductor inside hollow conductor

    Started by Kajunbee, 7th August 2019 20:52
    2 Pages •
    1 2
    • Replies: 25
    • Views: 786
    wwfeldman
    14th August 2019, 18:06 Go to last post

  8. Difference between Differentiators and Comparators

    Started by sirkiosta, 13th August 2019 13:20
    • Replies: 3
    • Views: 136
    BradtheRad
    14th August 2019, 01:04 Go to last post

  9. Forward voltage of blue 3 mm led

    Started by fixit7, 13th August 2019 04:21
    1 Attachment(s)
    • Replies: 9
    • Views: 252
    fixit7
    13th August 2019, 23:06 Go to last post

  10. Motor current calculation using current sensor

    Started by vikash23, 13th August 2019 13:18
    1 Attachment(s)
    • Replies: 2
    • Views: 109
    frankrose
    13th August 2019, 18:26 Go to last post

  11. [SOLVED] voltage and current waveforms spark gap

    Started by Zak28, 10th August 2019 20:58
    1 Attachment(s)
    • Replies: 9
    • Views: 349
    FvM
    13th August 2019, 07:50 Go to last post

  12. Help with medication timer design

    Started by gernith, 12th August 2019 02:46
    • Replies: 5
    • Views: 279
    gernith
    12th August 2019, 18:24 Go to last post

  13. HF Upconverter Circuit Question

    Started by promach, 12th August 2019 17:16
    • Replies: 0
    • Views: 109
    promach
    12th August 2019, 17:16 Go to last post

  14. Wrong sinusoidal signal

    Started by Justin18, 11th August 2019 15:37
    1 Attachment(s)
    • Replies: 1
    • Views: 130
    barry
    11th August 2019, 16:51 Go to last post

  15. Whats the best way to ESD damage a PCB

    Started by treez, 11th August 2019 00:24
    • Replies: 6
    • Views: 278
    betwixt
    11th August 2019, 10:07 Go to last post

  16. [SOLVED] 12 vdc led running very hot

    Started by fixit7, 9th August 2019 03:03
    2 Attachment(s)
    • Replies: 12
    • Views: 329
    fixit7
    9th August 2019, 19:04 Go to last post

  17. [SOLVED] dc current gain variations

    Started by Zak28, 8th August 2019 10:43
    • Replies: 3
    • Views: 132
    schmitt trigger
    8th August 2019, 20:09 Go to last post

  18. Drive motor through IRF520 MOSFET module and Arduino

    Started by sugandha123, 8th August 2019 11:40
    2 Attachment(s)
    • Replies: 1
    • Views: 108
    wwfeldman
    8th August 2019, 18:14 Go to last post

  19. Rebuild low end computer speakers

    Started by fixit7, 6th August 2019 18:58
    • Replies: 7
    • Views: 312
    Audioguru
    7th August 2019, 13:17 Go to last post

  20. Temperature effect on diode function

    Started by flaxwalter, 3rd August 2019 19:27
    8 Attachment(s)
    • Replies: 16
    • Views: 673
    c_mitra
    7th August 2019, 05:42 Go to last post

  21. Residential Wiring Offset Voltage

    Started by Zak28, 5th August 2019 02:06
    • Replies: 10
    • Views: 493
    Zak28
    7th August 2019, 03:49 Go to last post

  22. Analog Layout- Why CD KEY is Required ?

    Started by RohithRaj, 6th August 2019 08:33
    • Replies: 1
    • Views: 127
    dick_freebird
    6th August 2019, 18:38 Go to last post

  23. Replaced NiMh battery in small solar light

    Started by fixit7, 26th July 2019 04:47
    • Replies: 19
    • Views: 907
    SunnySkyguy
    6th August 2019, 16:21 Go to last post

  24. Motor winding Temeparture

    Started by curious_mind, 4th August 2019 09:41
    • Replies: 6
    • Views: 272
    schmitt trigger
    4th August 2019, 22:03 Go to last post

  25. What dc can u measure?

    Started by Justin18, 1st August 2019 08:16
    1 Attachment(s)
    • Replies: 5
    • Views: 390
    Audioguru
    3rd August 2019, 03:50 Go to last post

  26. Switched mode power supply

    Started by rajasekharnbkrist, 17th July 2019 18:18
    • Replies: 3
    • Views: 649
    goldsmith
    30th July 2019, 19:47 Go to last post

  27. Is the transistor calculation is right?

    Started by medhatko, 29th July 2019 02:55
    4 Attachment(s)
    • Replies: 18
    • Views: 764
    KlausST
    30th July 2019, 06:29 Go to last post

  28. overvoltage protection

    Started by curious_mind, 27th July 2019 13:01
    • Replies: 10
    • Views: 517
    schmitt trigger
    29th July 2019, 18:09 Go to last post

  29. charging capacitor partially

    Started by fighter7778, 24th July 2019 18:18
    • Replies: 6
    • Views: 416
    c_mitra
    29th July 2019, 12:49 Go to last post

  30. Moved: 2N2222 calculation .... Is that right?

    Started by medhatko, 29th July 2019 11:00
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