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walid

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Topics posted by walid

  1.  

    simple question about batt chargers

    By walid, in Theory articles

    • 13 replies
    • 3,834 views
  2.  

    SMP power supply

    By walid, in Theory articles

    • 4 replies
    • 2,529 views
  3.  

    switching diode

    By walid, in Theory articles

    • 6 replies
    • 2,492 views
  4.  

    telephone related question

    By walid, in Theory articles

    • 7 replies
    • 2,685 views
  5.  

    telephone related question #2

    By walid, in Theory articles

    • 5 replies
    • 2,369 views
  6.  

    Telephone related question #3

    By walid, in Theory articles

    • 2 replies
    • 1,793 views
  7.  

    telephone related question #4

    By walid, in Theory articles

    • 9 replies
    • 2,787 views
  8.  

    Telephone: ELECOM INC. phonerex 9151

    By walid, in Service Manuals

    • 0 replies
    • 1,644 views
  9.  

    The capacitance of the varicap

    By walid, in Theory articles

    • 1 reply
    • 1,773 views
  10.  

    The caps surrounding the LM7812 regulator?

    By walid, in Theory articles

    • 23 replies
    • 8,359 views
  11.  

    Transformerless power supply discussion!

    By walid, in Theory articles

    • 16 replies
    • 5,457 views
  12.  

    transistor as a switch

    By walid, in Theory articles

    • 7 replies
    • 2,641 views
  13.  

    Transistor collector current

    By walid, in Theory articles

    • 4 replies
    • 2,539 views
  14.  

    transistor saturation

    By walid, in Theory articles

    • 4 replies
    • 2,057 views
  15.  

    transistor voltage regulator

    By walid, in Theory articles

    • 3 replies
    • 2,309 views
  16.  

    TV's and monitors maintainance and repair Forum

    By walid, in Electronics chit chat

    • 1 reply
    • 1,587 views
  17.  

    Understanding this circuit diagram of AK-700 telephone

    By walid, in Projects Q/A

    • 3 replies
    • 2,233 views
  18.  

    Universal battery charger

    By walid, in Theory articles

    • 4 replies
    • 2,190 views
  19.  

    Very low power FM transmitter discussion

    By walid, in Theory articles

    • 3 replies
    • 1,920 views
  20.  

    very simple PS

    By walid, in Theory articles

    • 8 replies
    • 2,668 views
  21.  

    Voltage control oscillator VCO

    By walid, in Theory articles

    • 21 replies
    • 5,245 views
  22.  

    want free software

    By walid, in Spice Simulation - PCB design

    • 4 replies
    • 3,106 views
  23.  

    What are these abbreviatives mean

    By walid, in Theory articles

    • 8 replies
    • 3,020 views
  24.  

    What does the 33uH coil in this circuit?

    By walid, in Theory articles

    • 1 reply
    • 2,883 views
  25.  

    What happen when downloading the previous stage?

    By walid, in Theory articles

    • 4 replies
    • 1,948 views
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