JFET-ovi:
http://www-g.eng.cam.ac.uk/mmg/teaching/linearcircuits/jfet.html
MOSFET-ovi:
http://www-g.eng.cam.ac.uk/mmg/teaching/linearcircuits/mosfet.html
JFET-ovi:
http://www-g.eng.cam.ac.uk/mmg/teaching/linearcircuits/jfet.html
MOSFET-ovi:
http://www-g.eng.cam.ac.uk/mmg/teaching/linearcircuits/mosfet.html