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4hv.org :: Forums :: General Science and Electronics
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Transistor Basics

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cduma
Wed Aug 19 2009, 04:06PM Print
cduma Registered Member #1822 Joined: Fri Nov 21 2008, 08:04PM
Location:
Posts: 300
I have taught myself almost everything I know about electronic design except for some of the finer points of resistor-resistor (school taught me the finer points) networks. I am far from an expert but, I do know alot about the basic(R, L and C) components. It is turning out to be very difficult to learn about transistors. Every website I visit describes everything about transistors in great detail but, I need a brief summary instead of an in depth analysis to get started. I have purchased several text books and those are even worse than the websites! The most valuable tools so far to my learning have been connecting a pot to the base of a transistor(I learned to start at a lower voltage since some draw more than 1/4 watt. The magic smoke came out of the pot and it didnt work to well anymore) and measuring the voltage drop across the emmiter and collector although all I learnt was that transistors do what transistor do. Regulate current based upon the input. Are there any websites that you know of that can help me? I tried doing my own research but, I failed.
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IntraWinding
Wed Aug 19 2009, 04:41PM
IntraWinding Registered Member #2261 Joined: Mon Aug 03 2009, 01:19AM
Location: London, UK
Posts: 581
The Art of Electronics 'Transistor Man' might help. One of my favourite books years ago.
Link2
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HV Enthusiast
Wed Aug 19 2009, 06:41PM
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
cduma wrote ...

I have taught myself almost everything I know about electronic design except for some of the finer points of resistor-resistor (school taught me the finer points) networks. I am far from an expert but, I do know alot about the basic(R, L and C) components. It is turning out to be very difficult to learn about transistors. Every website I visit describes everything about transistors in great detail but, I need a brief summary instead of an in depth analysis to get started. I have purchased several text books and those are even worse than the websites! The most valuable tools so far to my learning have been connecting a pot to the base of a transistor(I learned to start at a lower voltage since some draw more than 1/4 watt. The magic smoke came out of the pot and it didnt work to well anymore) and measuring the voltage drop across the emmiter and collector although all I learnt was that transistors do what transistor do. Regulate current based upon the input. Are there any websites that you know of that can help me? I tried doing my own research but, I failed.

MOSFET - Control lots of current using a little bit of voltage

BJT - Control lots of current using a little bit of current

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cduma
Wed Aug 19 2009, 07:14PM
cduma Registered Member #1822 Joined: Fri Nov 21 2008, 08:04PM
Location:
Posts: 300
Thank you both! Thanks intrawinding for the large amount of information and thanks Dr. GigaVolt for the ultracondensed information. If only there was an in between...
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cduma
Wed Aug 19 2009, 07:46PM
cduma Registered Member #1822 Joined: Fri Nov 21 2008, 08:04PM
Location:
Posts: 300
Link2
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