Question

Need help with E-H

4. Refer to the following circuit (Qi is a generic transistor), assuming B = 200 when the transistor is in the active region.

0 0
Add a comment Improve this question Transcribed image text
Answer #1

) If Both Ri & R3 are shorted tvc VB + 12V VBE Rz Ry VB=Vc = 12V active region BJT In this case the VB-VBE IE = Ru 12-07 1 knIf Ry is short, 12V R3 R. It Is IB VB --- ww Ro ti2 VBE VBE VBE 0.7V 12 - 0-7 12- VE R 11-3 472 0.24 A I= 47k I 2 = VB R2 = 0Vc = Vce (sat) Vc 0.2V forced emilter current Cnc Ic (sat) + IB 12 -0.2 Iccsat) 12-Vc R3 = 3.5+570 3.3k .: Ig = 3.5157m+ 0.181 If Ri, Rq are Swapped +2V 12 R2 R3 VB 4th R. Ru 9-559 V VB- 12x Ri RitR2 12x47 47 +12 RB = Rill R₂ = 9.559 kr .. IB VB- VBEIc (sat) = 12- VCErsat) R₂ + Ry 12-0.2 3.3 + 1k Ic 2.744 MA IF Icrsat+IB 2.744 + 0.042 IE 9.786 MA

Add a comment
Know the answer?
Add Answer to:
Need help with E-H 4. Refer to the following circuit (Qi is a generic transistor), assuming...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT