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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: 1,124
    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: 31,039
    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: 29,283
    pranam77
    21st August 2009, 09:05 Go to last post

  1. making -15/+15v out of single power supply 12Vdc Problem

    Started by Freehawk, Yesterday 23:56
    1 Attachment(s)
    • Replies: 0
    • Views: 1
    Freehawk
    Yesterday, 23:56 Go to last post

  2. Technology length and program for circuit drawing

    Started by usernamer, 12th November 2018 15:38
    • Replies: 3
    • Views: 158
    kingkarthik
    Yesterday, 08:45 Go to last post

  3. wirewould resistors as rfc

    Started by Zak28, 12th November 2018 13:15
    • Replies: 3
    • Views: 118
    CataM
    12th November 2018, 21:03 Go to last post

  4. Transfer data's to Shift Register

    Started by gauravkothari23, 10th November 2018 17:47
    1 Attachment(s)
    • Replies: 5
    • Views: 246
    std_match
    12th November 2018, 03:03 Go to last post

  5. Adding diodes to reduce the current loop area is a waste of time?

    Started by treez, 10th November 2018 23:29
    2 Attachment(s)
    • Replies: 3
    • Views: 200
    CataM
    11th November 2018, 22:36 Go to last post

  6. Information about ADS library

    Started by musaabfathi, 10th November 2018 01:37
    • Replies: 1
    • Views: 185
    BigBoss
    11th November 2018, 05:05 Go to last post

  7. CD4051 control voltage levels @ VDD - VSS(=VEE) = 15V

    Started by seyyah, 10th November 2018 11:21
    • Replies: 2
    • Views: 95
    KlausST
    10th November 2018, 11:39 Go to last post

  8. rotary timer swiches

    Started by Zak28, 9th November 2018 06:57
    • Replies: 3
    • Views: 151
    betwixt
    10th November 2018, 09:43 Go to last post

  9. active crossover and passive crossover

    Started by kangyunmei, 9th November 2018 10:21
    • Replies: 2
    • Views: 128
    Audioguru
    10th November 2018, 01:21 Go to last post

  10. Changing a 400V capacitor in Cisco switch power adapter

    Started by eagle1109, 4th November 2018 17:34
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 21
    • Views: 574
    eagle1109
    9th November 2018, 22:40 Go to last post

  11. comparators - pull up or not ?

    Started by rompelstilchen, 8th November 2018 16:52
    • Replies: 5
    • Views: 179
    rompelstilchen
    8th November 2018, 17:54 Go to last post

  12. how do transform the inductor (passive element) into transistor (CMOS) based

    Started by xinhui, 6th November 2018 15:16
    2 Attachment(s)
    • Replies: 4
    • Views: 177
    BigBoss
    8th November 2018, 13:58 Go to last post

  13. [SOLVED] LM3914 - What might "dot/bar logic" be?

    Started by d123, 6th November 2018 21:09
    4 Attachment(s)
    • Replies: 8
    • Views: 217
    d123
    7th November 2018, 18:04 Go to last post

  14. Inductor calculation

    Started by hussam123, 5th November 2018 13:17
    1 Attachment(s)
    • Replies: 6
    • Views: 242
    c_mitra
    6th November 2018, 05:37 Go to last post

  15. [SOLVED] Operating voltage reference within spec

    Started by Zak28, 5th November 2018 03:21
    • Replies: 1
    • Views: 115
    barry
    5th November 2018, 04:07 Go to last post

  16. BJT beta model in LTspice

    Started by bio_man, 4th November 2018 19:17
    • Replies: 2
    • Views: 114
    bio_man
    4th November 2018, 19:57 Go to last post

  17. [SOLVED] operating a zener to specified values

    Started by Zak28, 4th November 2018 05:19
    • Replies: 4
    • Views: 228
    barry
    4th November 2018, 17:34 Go to last post

  18. 74HC595 Shift Register Not Working

    Started by gauravkothari23, 2nd November 2018 20:10
    1 Attachment(s)
    • Replies: 12
    • Views: 410
    barry
    4th November 2018, 01:51 Go to last post

  19. [SOLVED] issues with transformer simulation

    Started by Zak28, 3rd November 2018 23:03
    2 Attachment(s)
    • Replies: 1
    • Views: 144
    FvM
    3rd November 2018, 23:51 Go to last post

  20. lm386 smd earphone power

    Started by rompelstilchen, 2nd November 2018 22:44
    4 Attachment(s)
    • Replies: 8
    • Views: 265
    Audioguru
    3rd November 2018, 16:35 Go to last post

  21. [SOLVED] the circuit of the LM358

    Started by Kynix, 2nd November 2018 08:35
    • Replies: 4
    • Views: 252
    Audioguru
    3rd November 2018, 00:17 Go to last post

  22. Sar measurment-hffs v.13

    Started by DimitrisTyrovolas, 2nd November 2018 18:14
    1 Attachment(s)
    • Replies: 0
    • Views: 105
    DimitrisTyrovolas
    2nd November 2018, 18:14 Go to last post

  23. How to Judge Whether IC is Working Correctly in Electronic Circuit or Not

    Started by Kynix, 31st October 2018 07:25
    • Replies: 4
    • Views: 271
    Relayer
    1st November 2018, 22:15 Go to last post

  24. calculating current requirement of LDO and switcher

    Started by gary36, 31st October 2018 10:48
    • Replies: 2
    • Views: 196
    d123
    31st October 2018, 21:32 Go to last post

  25. Supply LM741 with +5,-5 Volts

    Started by adwnis123, 27th October 2018 22:06
    1 Attachment(s)
    • Replies: 17
    • Views: 579
    d123
    30th October 2018, 22:36 Go to last post

  26. Transfer data's of seven segment

    Started by gauravkothari23, 21st October 2018 17:54
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 33
    • Views: 948
    betwixt
    30th October 2018, 15:04 Go to last post

  27. Calculation for ZXCT1083 current monitor

    Started by treez, 30th October 2018 07:15
    • Replies: 1
    • Views: 128
    FvM
    30th October 2018, 07:46 Go to last post

  28. integrated battery charger

    Started by tnnedaboard, 29th October 2018 15:17
    • Replies: 7
    • Views: 311
    BradtheRad
    30th October 2018, 05:03 Go to last post

  29. Moved: Show DIY not being able to reply problem

    Started by Audioguru, 28th October 2018 02:00
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  30. SOT23 BJT dissipating 720mW

    Started by treez, 27th October 2018 19:04
    • Replies: 4
    • Views: 206
    dick_freebird
    27th October 2018, 22:38 Go to last post
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