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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.

    • Replies: 0
    • Views: 1,179
    17th April 2018, 17:11 Go to last post
  1. Sticky Thread Sticky: Before Post here please read this

    Started by Fragrance, 22nd February 2011 08:38
    • Replies: 0
    • Views: 31,054
    22nd February 2011, 08:38 Go to last post
  2. 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: 29,300
    21st August 2009, 09:05 Go to last post
  1. calculating saturated NPN drives me nuts

    Started by rompelstilchen, 18th November 2018 18:00
    • Replies: 11
    • Views: 213
    Today, 00:32 Go to last post
  2. [SOLVED] different tesla coil arrangement

    Started by Zak28, 18th November 2018 19:17
    • Replies: 3
    • Views: 129
    Yesterday, 15:09 Go to last post
  3. ESD flooring using aluminium tape stuck to the floor?

    Started by treez, 17th November 2018 10:57
    • Replies: 7
    • Views: 226
    18th November 2018, 21:38 Go to last post
  4. Op-amp circuit analysis

    Started by paulmdrdo, 18th November 2018 05:26
    • Replies: 7
    • Views: 191
    18th November 2018, 16:47 Go to last post
    • Replies: 5
    • Views: 345
    17th November 2018, 10:24 Go to last post
  5. Inductor calculation

    Started by hussam123, 5th November 2018 13:17
    • Replies: 7
    • Views: 370
    16th November 2018, 18:04 Go to last post
  6. [SOLVED] making -15/+15v out of single power supply 12Vdc Problem

    Started by Freehawk, 13th November 2018 23:56
    2 Pages
    1 2
    • Replies: 22
    • Views: 640
    16th November 2018, 00:49 Go to last post
    • Replies: 6
    • Views: 207
    15th November 2018, 07:47 Go to last post
  7. Technology length and program for circuit drawing

    Started by usernamer, 12th November 2018 15:38
    • Replies: 3
    • Views: 236
    13th November 2018, 08:45 Go to last post
  8. wirewould resistors as rfc

    Started by Zak28, 12th November 2018 13:15
    • Replies: 3
    • Views: 168
    12th November 2018, 21:03 Go to last post
  9. Transfer data's to Shift Register

    Started by gauravkothari23, 10th November 2018 17:47
    • Replies: 5
    • Views: 303
    12th November 2018, 03:03 Go to last post
    • Replies: 3
    • Views: 258
    11th November 2018, 22:36 Go to last post
  10. Information about ADS library

    Started by musaabfathi, 10th November 2018 01:37
    • Replies: 1
    • Views: 215
    11th November 2018, 05:05 Go to last post
  11. CD4051 control voltage levels @ VDD - VSS(=VEE) = 15V

    Started by seyyah, 10th November 2018 11:21
    • Replies: 2
    • Views: 128
    10th November 2018, 11:39 Go to last post
  12. rotary timer swiches

    Started by Zak28, 9th November 2018 06:57
    • Replies: 3
    • Views: 189
    10th November 2018, 09:43 Go to last post
  13. active crossover and passive crossover

    Started by kangyunmei, 9th November 2018 10:21
    • Replies: 2
    • Views: 160
    10th November 2018, 01:21 Go to last post
  14. Changing a 400V capacitor in Cisco switch power adapter

    Started by eagle1109, 4th November 2018 17:34
    2 Pages
    1 2
    • Replies: 21
    • Views: 688
    9th November 2018, 22:40 Go to last post
  15. comparators - pull up or not ?

    Started by rompelstilchen, 8th November 2018 16:52
    • Replies: 5
    • Views: 217
    8th November 2018, 17:54 Go to last post
    • Replies: 4
    • Views: 222
    8th November 2018, 13:58 Go to last post
  16. [SOLVED] LM3914 - What might "dot/bar logic" be?

    Started by d123, 6th November 2018 21:09
    • Replies: 8
    • Views: 272
    7th November 2018, 18:04 Go to last post
  17. [SOLVED] Operating voltage reference within spec

    Started by Zak28, 5th November 2018 03:21
    • Replies: 1
    • Views: 134
    5th November 2018, 04:07 Go to last post
  18. BJT beta model in LTspice

    Started by bio_man, 4th November 2018 19:17
    • Replies: 2
    • Views: 135
    4th November 2018, 19:57 Go to last post
  19. [SOLVED] operating a zener to specified values

    Started by Zak28, 4th November 2018 05:19
    • Replies: 4
    • Views: 263
    4th November 2018, 17:34 Go to last post
  20. 74HC595 Shift Register Not Working

    Started by gauravkothari23, 2nd November 2018 20:10
    • Replies: 12
    • Views: 485
    4th November 2018, 01:51 Go to last post
  21. [SOLVED] issues with transformer simulation

    Started by Zak28, 3rd November 2018 23:03
    • Replies: 1
    • Views: 163
    3rd November 2018, 23:51 Go to last post
  22. lm386 smd earphone power

    Started by rompelstilchen, 2nd November 2018 22:44
    • Replies: 8
    • Views: 315
    3rd November 2018, 16:35 Go to last post
  23. [SOLVED] the circuit of the LM358

    Started by Kynix, 2nd November 2018 08:35
    • Replies: 4
    • Views: 290
    3rd November 2018, 00:17 Go to last post
  24. Sar measurment-hffs v.13

    Started by DimitrisTyrovolas, 2nd November 2018 18:14
    • Replies: 0
    • Views: 118
    2nd November 2018, 18:14 Go to last post
  25. calculating current requirement of LDO and switcher

    Started by gary36, 31st October 2018 10:48
    • Replies: 2
    • Views: 224
    31st October 2018, 21:32 Go to last post
  26. Supply LM741 with +5,-5 Volts

    Started by adwnis123, 27th October 2018 22:06
    • Replies: 17
    • Views: 662
    30th October 2018, 22:36 Go to last post