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Problem 2: Consider the circuit shown in Figure 2. VCC-15V, R1-100 K2, R2-47 K2, RE-3.9K, Draw the small signal model Compute rel and re2. Rin1 and Rin2 as (shown in the circuit) . Find the overall gain. Using OCTC approach compute the high frequency time constants, given Cr-Cμ-1 pF. Stage 2 Load Source Stage 1 Re Ri RI 0 R, Ri Ri Figure 2
Problem 2: Consider the circuit shown in Figure 2. VCC-15V, R1-100 K2, R2-47 K2, RE-3.9K, Draw...
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- 1002, R1-160k2, R2-320k2 R3-200k2, R6-40 k2, Rc-60k2, Vcc- 12V, Ry Do a) Draw the DC equivalent circuit and calculate the Q-point. c) Draw the AC equivalent circuit with the small signal model for the transistor. d) Calculate the voltage gain, Av-Vo/vi. Assume ro infinite. e) Draw the circuit to find the amplifier input resistance (Rin). Calculate Rin f Draw the circuit...
Experiment 2: Good biasing Set up the circuit with R2 12 k2, R RE 1 k, and Vcc 15 V 39 k2, Rc = 2 k?. Circuit Analysis: Compute Ic, I, and VCE PSpice Simulation: a) Simulate the circuit with PSpice (bias point details only) and compare values of Ic, IB, VCE, and VBE from PSpice simulations with your analytical calculations. b) Rerun your PSpice simulations for temperatures of 0 and 60°C. Make a table of Ic IB, VCE, and...
design a Voltage Divider Circuit that has the following – VCC= 12 V IC=2.5 mA VCE = 6 V For the design, you will use a 2n3904 npn transistor. Assume a β of 150. Determine values for RC, RE, R1, and R2
The 1 mA. V, ls -VE -15 15 V, in the following differential amplifier circuit, Vcc parameters are given as β, 100, VBE# 0.7 V, pr-25 mV, K.-100 V. transistor Rc-10 kΩ For: RE-150 Ω Rc Rc REE-200 kΩ a) What is the input differential resistance, Rid b) What is the overall voltage gain vV? You c) What is input common mode resistance, d) What is the worst case common mode gain that appear across the two input terminals? (4...
5. Determine the Ico and Vceo for the emitter-biased common-emitter amplifier circuit show below. Assume B=180. (12 points) Vcc 918 v Rs12330 ks Rc 1,5 k22 Rs2 B V ce 18 220 ke2 RE 30.75 k2 6. Draw the circuit diagram of a common-emitter voltage-divider bias with the following parameters. (12 points) Vcc = 16V, R, -30k1, R2 = 10k22, Rc = 3.3kQ2, Re = 1.5k22, B = 199 (a) Determine lco and Vcro using the approximate method. (b) Determine...
For the circuit shown below, let Vcc 9 V R2 RE-0.11 kQ, R1 3.6 k2. and R2 -5.6 kQ. The transistor parameters are β-200, VBE(on)-OTV, VA-100 V and VT = 0.026 V. (a) Determine the quiescent value of IEQ (b) Find the small-signal voltage gain Av Vo/vs (c) Determine the output resistance R, looking into output terminals Av= 0.5589 Ro-0.4688 Ω Ro-0.9118 Ω leQ- 23.76 mA Ra " 0.6538 Ω leo 39.52 mA A, 0.9938
For the circuit shown below,...
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Questions 1-3 below are about the amplifier circuit of Figure 1. Here Vcc is a fixed voltage The base voltage vB(t) is time-varying, and is of the form vB(t) V(t) where VB is a DC offset, and vb(t) is a time-varying purely AC signal. Suppose the amplitude of vb is A. Assume that the capacitor C is...
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
Voc Ri Rc C2 + RS G Q2N3904 RL Vout 2 R2 RE CE Rin Rout Cu B 1x B C o + V be : Cr 8m'be E VCC R R2 Rc RE RS RL С. Cz CE 12 V 8.2 kg 3.9 ko 6.3 k2 3.3 kΩ 3 ko 3.9 ko 10 uF 1uF 100 u Assume the 2N3904 has a 8 =100, Veron} = 0.7V, VA= 100V, C=100, C=13.9pF and Ce=8pF. Use the emission coefficient as n...