Question

Q1. The BJT in the circuit of figure has 8 = 100 and Vr = 25mV. Eind. I, VCE, Sm, Riu seen by the voltage source, the voltage
0 0
Add a comment Improve this question Transcribed image text
Answer #1

The solution to this problem is given below

=100 - 25mV V4 ß Ques for calculation of Ic, VCE, gm we will do analysis of BJT. The equivalent circuit for de analysis is deKUL Applying for from Base to emitter side calculation of IB nu get IB 4-07 + (1+B)3 ma + IB - olmA 3.3 20 + 01x3 3 I c = 0.0For calculation Rin, Au, A we have Imall to draw BIT Alg ckt of this Rin 10 15 oll TOOK LS 80K 2.5K Une fra gm Ube TOK чк ususing equation of puthing they ni value vo Vie - Im Voe (4k|110k) Ube (look + (2.5k|190K) (a.sk 11 8093 ) 40 x10 x 2105k x (2와 by pass capacitor is removed uxu bе к ња then ckt \ь as va lok ак . 3K 9, 2 - мыс (ток || 4к ) Uso be + (16 + gm be) 3k vvс

Add a comment
Know the answer?
Add Answer to:
Q1. The BJT in the circuit of figure has 8 = 100 and Vr = 25mV....
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
  • miz 22 - Apr 14, 2020 Vo=8V on't forget units! For the npn BJT circuit at...

    miz 22 - Apr 14, 2020 Vo=8V on't forget units! For the npn BJT circuit at right, calculate the base current is, collector current ic, emitter current is, and the collector-emitter voltage Vce. The forward current gain for the transistor is Br = 150. κι ΚΩ Vana_MW kr R, 100 k92 VRO i ic= 14702 _ VCE Vcc=6 V 32.2 k 2 R 120 k92 For the npn BJT circuit at right, calculate the value of Br so that the...

  • For all BJTs, assume: IVBE,on1-0.7V, β 100, and|VCE,sat-0.1V (use Vr 25mV) For all MOSFETs, assume: I'm|-1V...

    For all BJTs, assume: IVBE,on1-0.7V, β 100, and|VCE,sat-0.1V (use Vr 25mV) For all MOSFETs, assume: I'm|-1V and μ COX-20 V2. Q3: Consider the circuit shown to the right where W- 100. Resistor values are: RG 1M, RD 10kn, Rs 500, R 20k0, and Rs 100k. The capacitors should be assumed short- circuits at the operating frequency of the circuit and Vo -Vss = +3V. a) Calculate the bias point parameters (lo and Vos) for the Rai Ca Rsi transistor and...

  • please answer this ASAP Answer the following questions for the below BJT amplifier circuit. Assume capacitors...

    please answer this ASAP Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...

  • The BJT amplifier circuit in the figure below has β = 90. Use VT = 25...

    The BJT amplifier circuit in the figure below has β = 90. Use VT = 25 mV a- Draw the DC equivalent circuit and calculate IC. b- Draw the small signal equivalent circuit and calculate the small signal parameters. c- Find the voltage gain +9V 3 kΩ C2 = 1 uF HE C = 1uF + υο 10 kΩ Cz = 50 uF - . υ 9 kΩ Η. 6. ΚΩ -9 V

  • 6.5 BI C2 Cl sig in 0 Design the bias circuit of the CE amplifier shown...

    6.5 BI C2 Cl sig in 0 Design the bias circuit of the CE amplifier shown to obtain IE= 0.5 mA and Vc= +6 V. Design for a dc voltage at the base of 5 V and a current through RB2 of 50 μΑ. Let Vcc-+15 V, β-100, and VBE 0.7 V. a) Specify the values of RBi, RB2, RE, and Rc b) Also give the values of the BJT small-signal parameters gm, rr , and ro at the bias...

  • Problem 4 In the circuit below Vcc-VEE-5V, IE-1 mA, Rc 4kQ, and BJT has ?--50. Rc...

    Problem 4 In the circuit below Vcc-VEE-5V, IE-1 mA, Rc 4kQ, and BJT has ?--50. Rc C Le Estimate the maximum amplitude of the undistorted sine wave output voltage. -Find the voltage gain fronm signal to load for Rs = 50? and R.-4kS2. Ignore ro in your analysis and assume that coupling capacitors act as short circuits for frequencies of interest.

  • 9.38 Consider the circuit of Fig. 9.20 with Cc replaced a short circuit. Draw the magnitude Bode plot of the gain over the low- to midband-frequency range if 100. Figure 9.20 BJT circuit containing...

    9.38 Consider the circuit of Fig. 9.20 with Cc replaced a short circuit. Draw the magnitude Bode plot of the gain over the low- to midband-frequency range if 100. Figure 9.20 BJT circuit containing high- and low-frequency capacitors. VCC +12 V out 01 CL= 14 pF L F Source Amplifier Load (oscilloscope input) 9.38 Consider the circuit of Fig. 9.20 with Cc replaced a short circuit. Draw the magnitude Bode plot of the gain over the low- to midband-frequency range...

  • Professor: Farid Tranjan +5 V Name:- 0.7V (50 points). Q1: For the BJT circuit, B- 100...

    Professor: Farid Tranjan +5 V Name:- 0.7V (50 points). Q1: For the BJT circuit, B- 100 and VE Find Re and Rg such that Ico =0.25 mA and VCEO b. Find the DCLL = 3 V a. R: 50 k0 So.1 kn Find the ACLL c. to find the maximum symmetrical swing in Vo Vo Draw the small-signal t-model and find the gain Ay d. Plot DCLLUACLL e. Vi Professor: Farid Tranjan +5 V Name:- 0.7V (50 points). Q1: For...

  • RE -3.3k2 Figure 5. Vbe-0.7V (active), Vce 0.2V (saturation), p-100 For the circuit shown in Figure...

    RE -3.3k2 Figure 5. Vbe-0.7V (active), Vce 0.2V (saturation), p-100 For the circuit shown in Figure 5: a) If V oV DC, find the DC bias point for Q1? b) Draw the small signal equivalent circuit and evaluate the small signal AC voltage gain. c) Sketch le vs Vce and show the operating point for the transistor. d) How would you change the bias to obtain maximum signal swing?

  • For the differential amplifier shown in Figure 6: Assume well-matched transistors and  = 100 for all transistors: a) Wh...

    For the differential amplifier shown in Figure 6: Assume well-matched transistors and  = 100 for all transistors: a) Why it is important to use well-matched transistors in differential amplifier circuits? What is the potential influence of mismatched transistors on the performance of the differential amplifier? b) Determine the resistor values (R1, R2 and R3) such that the emitter coupled current IE = 0.5 mA and VC1 = 3 V. c) Draw the ac equivalent circuit for the single ended...

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