For the cascade amplifier of the figure, calculate the polarization voltages
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1. For the cascade amplifier of the figure, calculate the polarization voltages and current colle...
Part I (30 points): Reference to Multi-stage Amplifier. FET Data (Cd 2pF, Cgs4pF, 1. For the multi-stage amplifier of the figure, calculate the polarization voltages and current collector of each stage. Also, calculate the voltage gain for each stage and the overall voltage gain (transfer function) for the multi-stage amplifier. Calculate Vout. Repeat the previous steps using a load resistance of 2.2k2, Calculate Vout. Calculate the input and output impedances and the cutoff frequencies (fi & fa) for the cascade...
using BJET lem 3) For the JFET cascade amplifier shown, calculate the de bias conditions for the two identical stages, using JFETs with lass 10 mA, Vp -4V, and gos 20 uS. +20 V 2.2 kS2 15 k2 2.2 k2 o V β- eB 200 02 4.7 k2 4.7 kΩ
QUESTION 1 Figure Q1 shows a common emitter (CE) and common Base (CB) cascade amplifier circuit. Determine the input and output impedance, Z; and Zo, voltage gain, Avi and Av2 and total cascade voltage gain, Ayr and Ays. [25 marks) 2 +8V 1.5 kn 2.2 F 82 k2 3.3 k2 Vo 2.2 uf B = 100 6.8 k12 1 k 2 what B = 100 tuf ZA 5.6 k 2 47012 ZA V. 33 k2 IuF w 10k_2 -2V w...
Please show a detail explanation on the solution. Thanks in advance 4.117 The amplifier of Fig. P4.117 consists of two identical common-e that the input resistance of the second stage, R2, constitutes the load resistance of the first stage mitter amplifiers connected in cascade. Observe = 6.8 kΩ and β= 100, determine the dc collector current and de collector voltage of each transistor (b) Draw the small-signal equivalent circuit of the entire amplifier and give the values of al its...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
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
1. Figure 1 shows a CE power amplifier in which the collector resistor serves also as the load resistor. Assume Bpc Bac 100 a. Determine the dc Q-point (lco and VCEQ). b. Determine the voltage gain and the power gain c. The power dissipated in the transistor with no load. d. The total power from the power supply with no load e. The signal power in the load with a 500 mV input. f. What changes would be necessary to...
Problem 1 (40 pts) Assume that the capacitors are large enough to be considered as short circuits at the frequencies of interest, β-100, and the Q-points for the three transistors (true or not) Mi, Q2, and Q3 are (0.2mA. 10.2V), (1.3mA. 7.1V), (2.2mA, 9.0V), respectively, and VA- +15 V c24.7k 15 kΩ 02 2.2 kΩ 250 Ω A] Determine the voltage gain of the middle stage of the amplifier shown above Vc2/Vb2. Assume E-IC Expression Value RL2 is the total...
Figure 1 is a common-emitter amplifier (with input divider). Calculate the base resistance Rb1 that is needed to bias the device at a collector voltage of Vc≈ 6-7 V. Assume a nominal value of β≈ 200 for this calculation. Λ +10 V 2.2 ΚΩ & Kh1 1 1μF V. 10 ΚΩ 1μFT o " Πι ΓW-0 . Y 10028 10 ΚΩ 1ΚΩ ξ 10 μF
For the cascade amplifier of Figure Q1(a), determine the (1) transconductance factor, gm. a.c. diode resistance., re. (iii) ac equivalent circuit (iv) input impedance, Z (v) output impedance, Z. (vi) voltage gain, Avi (vii) voltage gain, Av2. (viii) total cascade voltage gain, Avr. Given gm = 21 pss lvpl + 15 V Ipss - 10 mA Vp.4V Vase -- 1.5 V βος = 50 μs Γ. 40 ΚΩ RO 3.3 ΚΩ R81 22 ΚΩ Rc 10 ΚΩ O V. β...