Question

Design a transistor biasing circuit as shown below. Assume ß = 100, Ice = 10 mA, VE = Vcc/3, VCEQ = Vcc/3 and VBE = 0.7 V. RT

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

for a BJT: TI to = I Bot Ico 0 where I o Emitter Current IBA Base Current Ica Collector Current current I COF BIBA to where ßGiven circuit diagram: Given information, Veca ISV B-100, Tcg - 10mA, VE = Vcc V cea - Vecer VEE20.7V Rih = 0.1(1+BRE 3 R2 IcSinibaly for finding Rih! 2Th Ri R2 Tly Thu Rin= R, XR2 (Since they Ritra are in parallel). So, their thevinens Barinalait cfrom above circuit diagram: Ve=IEORE Given that VE = Vec 3 Here Vcc=15v = VE - = 5V Ve=su 50= TERRE RE 5 JEO 20 from earratiofrom circuit diagram VCEO = Ve-ve By applying KVh con loop La 15 - Ico Re - V -O * 15-Vc IcoRc Re = 15-Vc Ico 6). Given thatLai By applying KVh can loop VT- IBO (RTL) VBE -Ve=0 VTT = Tea RTG) + VBE + VE Vih (Iee) Rth + VBE tve ㅋ (: Tea (BH) I Bet JeBy Substituting R2 in earration Vith 15% (12097) Rit By substituting Rg cin Qruation ©: V Tha 15XRI Rit (12097) a 6.2: 15RI RIx 15V J I ca R2=1209712 Re=5000 VTL Re=4952 R,=852325 VIER Common standard power sectings of Desistors: 0.25W, 0.5W, TW, qW,for Rai from above circuit diagram I = 15- VU R2 15 - 6•2. 12097 In = 8.8 = 7.2.745x104 A 12097 Tx= 7.2945 wölk ..Power = (I)

Add a comment
Know the answer?
Add Answer to:
Design a transistor biasing circuit as shown below. Assume ß = 100, Ice = 10 mA,...
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