Radna tocka tranz.

Trebala bi mi formula za rijesit ovaj zadatak, pa ako netko zna... Slika je na hr.sci.elektronika.binaries, a zadatak je:

Za sklop na slici odrediti: a)staticku radnu tocku (Uceq, Icq). b)uz koliki Rb ce biti Uceq=4V Rc=1K Rb=100k Re=1k ß=50

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Piko
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Ulazni krug(krug baze) Ucc = Ic*(Rc + Re) + Ib*Rb + Ube Izlazni krug(krug kolektora) Ucc = Ic*(Rc + Re) + Uceq Ic = B*Ib Ube = 0,7V

Iz ove tri jednad¾be izraèuna¹ Uceq i Icq.

-- "In¾injeri su radnièka klasa 21. stoljeæa!" - prof. dr.sc. Branko Jeren, predavanja SiS, FER

Andro Baèan snipped-for-privacy@fer.hr

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&ro B

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