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-   -   working out component values for bc108 preamp (http://www.diyaudio.com/forums/solid-state/105300-working-out-component-values-bc108-preamp.html)

stevie j 15th July 2007 11:51 PM

working our component values for bc108 preamp
 
Hi I'm new here, i was given a load of BC108's to make a preamp. The guy who gave me them gave me a diagram of how i should connect the
components with one transistor 6 resistors and 2 capacitors. But he didn't tell me the values of resistors and caps. How do i work these values out?

I have put together some kits with ic's and they all work fine but i have only a vague idea of whats happening in the circuits. Can someone recommend a book or website that deals with designing amps from a beginners point of view?

thanks

Gordy 16th July 2007 02:33 PM

Here, give these a try...

http://www.allaboutcircuits.com/vol_1/index.html
(starting point)
and...
http://www.allaboutcircuits.com/vol_3/chpt_4/5.html
(pages for small signal transistor amplifers)

http://www.st-andrews.ac.uk/~jcgl/Sc...o/electron.htm
(navigate via the link for Analog & Audio)

http://www.kemt.fei.tuke.sk/predmety...EP/_materialy/
(download and save the chapters)

stevie j 18th July 2007 11:19 PM

thanks they look quite useful


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