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This project is not completed yet - Last update: November 18, 2013
BJT DC Load Switching TransistorAuthor
Giorgos Lazaridis
November 18, 2013

  • Download the book in PDF format: The BJT Transistor Theory Kick Start Book]

  • PDF QR Code:


  • Forum board discussion regarding this book: http://www.pcbheaven.com/forum/index.php?board=30.0

  • Continue reading. Click here to read the worklog.



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  • At 1 August 2014, 18:06:35 user S.Vijayan wrote:   [reply @ S.Vijayan]
    • Thank you.Its explained perfectly.

  • At 19 April 2014, 6:08:09 user RAMADHANI wrote:   [reply @ RAMADHANI]
    • i like your project

  • At 18 December 2013, 6:27:10 user Giorgos Lazaridis wrote:   [reply @ Giorgos Lazaridis]
    • @herctrap hehehehe poy xathhkes re katharma?

  • At 16 December 2013, 9:11:28 user herctrap wrote:   [reply @ herctrap]
    • e tora pou exeis kai 2 87V prepei na sou kanw mia episkepsi

  • At 30 November 2013, 9:12:44 user Yusuf ishaq wrote:   [reply @ Yusuf ishaq]
    • Hi Giorgos,
      A nice and fine theory page on BJT switching cct. My question is on the 0.15V [Vce(sat)]. This value is kinda too deviated from the ideal BJT switching cct. It should be in the range of hundreds of micro volts.
      Perhaps, lowering the base resistor will allow the transistor to properly saturate, hence greatly reducing Vce(sat) which translate to lesser power loss on the transistor.

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