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7. (3 pts) A BJT differential pair is commonly used as the input stage for an...
(a) Find the differential-mode input resistance, based on the the small-signal differential input voltage and current for the BJT differential pair defined in Fig. 2(a) (b) Find the common-mode input...
(a) Find the differential-mode input resistance, based on the the small-signal differential input voltage and current for the BJT differential pair defined in Fig. 2(a) (b) Find the common-mode input resistance, based on the small-signal differential input voltage current dented in Fig. 2(b). You can assume that Tol Is infinite, but use a finite value of ro2 lin(em) in(em) Uin(em) lin(dm in(dm) in(dm) Uin dm) 02 Q2 Figure 2
(a) Find the differential-mode input resistance, based on the the small-signal...
2) Design a BJT differential amplifier to amplify a differential input signal of 0.2 V and...
2) Design a BJT differential amplifier to amplify a differential input signal of 0.2 V and provide a differential output signal of 4 V. To ensure adequate linearity, it is required to limit the signal amplitude across each base-emitter junction to a maximum of 5 mV, note this means emitter resistors. Another design requirement is that the differential input resistance be at least 80 k22. The BJTs available are specified to have ß > 200. Give the circuit configuration and...
Can u answer these questions with explanation!! Evaluate the differential input resistance (in kOhms) for a BJT differential amplifier with emitter degeneration resistors of 328.70hms, Beta of...
Can u answer these questions with explanation!!
Evaluate the differential input resistance (in kOhms) for a BJT differential amplifier with emitter degeneration resistors of 328.70hms, Beta of 31.63, common DC current source of 1.75mA with output resistance of 475kOhms. C2 C1 le Ro Find the common mode rejection ratio for a MOSFET differential pair with randomly selected 4kOhm E12 resistors as the drain load biased by a current source of 5mA with output impedance of 44kOhm. W/L= 8 and μ.cox-4mA/V...
3.1. For the BJT differential pair configuration shown below, assume the input transistor beta is very large. Then...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ideal dc voltage source a) What type of gain stage is realized by this BJT amplifier? b) Find a value for the input resistance Ri seen at node Vi. c) Find a value for the mid-band voltage gain Av-Vo/Vs. d) Determine the upper corner frequency fp2 imposed by the parasitic caps of the BJT
3) BJT...
The following 2 stage amplifier is given find overall A_v Page 2 #3 (7 pts.) The...
The
following 2 stage amplifier is given find overall A_v
Page 2 #3 (7 pts.) The following two-stage amplifier is given. Let Ac-8, A.2-4, At-6, RL-lia find overall A RL ia.
Answer ALL parts (a) - (d) B2 (a) Describe how a BJT and a JFET work....
Answer ALL parts (a) - (d) B2 (a) Describe how a BJT and a JFET work. Which type of transistor would you expect to produce less noise and why? (10 marks) (b) A device consists of a 3-stage amplifier, for which the power gains and noise figures for each stage are provided below. Calculate the total gain and noise figure at the output, assuming all components are at thermal equilibrium (8 marks) Power gain [dB] Noise figure [dB Stage 1...
i just need help with B, C, D 3) (24 pts) The BJT amplifier shown below....
i just need help with B, C, D
3) (24 pts) The BJT amplifier shown below. Please answer the following questions. Consider that B=150 VBE=0.75 V and VT-25mV a) What type of amplifier is this? (Select One) CE CE with RE CB b) Find the DC collector current Ic c) Find the transconductance gain gm d) Find the internal small signal voltage gain Au e) Find the input resistance of the small signal amplifier 1) Find the output resistance of...
Assume, VAfor differential pair transistors. Which of the following statements is incorrect? CO7 57.2 k VO3 VO2 C2 01 E6 REF E6 C3 V15V 04 V 15 V The differential stage is biased by basic 3 transisto...
Assume, VAfor differential pair transistors. Which of the following statements is incorrect? CO7 57.2 k VO3 VO2 C2 01 E6 REF E6 C3 V15V 04 V 15 V The differential stage is biased by basic 3 transistor current course (with double emitter on its output) Ideally Vo3 should be at 0.7V so that it produces a 0 output when there is no differential mode input signal. Gain of Vo3 Vd is approximately equal to 1 since it acts as emitter...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input ac voltage with Vp-1 mV, draw the output voltage. What is the maximum vin value. 5. 6. The current gain Ai and Ap. 7. Compute the produced power and the consumed power in transistor and RL.
BJT and...
(a) Find the differential-mode input resistance, based on the the small-signal differential input voltage and current for the BJT differential pair defined in Fig. 2(a) (b) Find the common-mode input resistance, based on the small-signal differential input voltage current dented in Fig. 2(b). You can assume that Tol Is infinite, but use a finite value of ro2 lin(em) in(em) Uin(em) lin(dm in(dm) in(dm) Uin dm) 02 Q2 Figure 2
(a) Find the differential-mode input resistance, based on the the small-signal...
2) Design a BJT differential amplifier to amplify a differential input signal of 0.2 V and provide a differential output signal of 4 V. To ensure adequate linearity, it is required to limit the signal amplitude across each base-emitter junction to a maximum of 5 mV, note this means emitter resistors. Another design requirement is that the differential input resistance be at least 80 k22. The BJTs available are specified to have ß > 200. Give the circuit configuration and...
Can u answer these questions with explanation!!
Evaluate the differential input resistance (in kOhms) for a BJT differential amplifier with emitter degeneration resistors of 328.70hms, Beta of 31.63, common DC current source of 1.75mA with output resistance of 475kOhms. C2 C1 le Ro Find the common mode rejection ratio for a MOSFET differential pair with randomly selected 4kOhm E12 resistors as the drain load biased by a current source of 5mA with output impedance of 44kOhm. W/L= 8 and μ.cox-4mA/V...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ideal dc voltage source a) What type of gain stage is realized by this BJT amplifier? b) Find a value for the input resistance Ri seen at node Vi. c) Find a value for the mid-band voltage gain Av-Vo/Vs. d) Determine the upper corner frequency fp2 imposed by the parasitic caps of the BJT
3) BJT...
The
following 2 stage amplifier is given find overall A_v
Page 2 #3 (7 pts.) The following two-stage amplifier is given. Let Ac-8, A.2-4, At-6, RL-lia find overall A RL ia.
Answer ALL parts (a) - (d) B2 (a) Describe how a BJT and a JFET work. Which type of transistor would you expect to produce less noise and why? (10 marks) (b) A device consists of a 3-stage amplifier, for which the power gains and noise figures for each stage are provided below. Calculate the total gain and noise figure at the output, assuming all components are at thermal equilibrium (8 marks) Power gain [dB] Noise figure [dB Stage 1...
i just need help with B, C, D
3) (24 pts) The BJT amplifier shown below. Please answer the following questions. Consider that B=150 VBE=0.75 V and VT-25mV a) What type of amplifier is this? (Select One) CE CE with RE CB b) Find the DC collector current Ic c) Find the transconductance gain gm d) Find the internal small signal voltage gain Au e) Find the input resistance of the small signal amplifier 1) Find the output resistance of...
Assume, VAfor differential pair transistors. Which of the following statements is incorrect? CO7 57.2 k VO3 VO2 C2 01 E6 REF E6 C3 V15V 04 V 15 V The differential stage is biased by basic 3 transistor current course (with double emitter on its output) Ideally Vo3 should be at 0.7V so that it produces a 0 output when there is no differential mode input signal. Gain of Vo3 Vd is approximately equal to 1 since it acts as emitter...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input ac voltage with Vp-1 mV, draw the output voltage. What is the maximum vin value. 5. 6. The current gain Ai and Ap. 7. Compute the produced power and the consumed power in transistor and RL.
BJT and...
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