Consider the differential amplifier shown in Figure P 11.3 with transistor parameters
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Microelectronics: Circuit Analysis and Design
- For the differential amplifier circuit below, all transistors are identical ( ?≠0 ) a) Draw the single-sided differential mode equivalent circuit, showing all details and labels Explain how you obtained this equivalent circuitarrow_forward(a) What are the Q-points for the transistors in the amplifier as shown if VDD =5V, VSS =5 V, RSS =2.4 kΩ, and RD =2.4 kΩ? Assume Kn =400 μA/V2 and VT N =0.7 V. (b) What are the differential-mode gain, common-mode gain, CMRR, and differential-mode and common-mode input resistances?arrow_forwardIn the push-pull stage given (in the photo attached), IS1 = 5 × 10−17 A and IS2 = 8 × 10−17 A. Calculate the value of VB so as to establish a bias current of 5 mA in Q1 and Q2 (for Vout = 0). If the peak input swing is 2 V and RL = 8Ω : Calculate the small-signal voltage gain for Vout ≈ 0 Use the gain obtained in (i) to estimate the output voltage swing. Estimate the peak collector current of Q1 assuming that Q2 still carries 5 mAarrow_forward
- (a) What are the Q-points for the transistors in the amplifier as shown if VCC = 12 V, VEE = 12 V, REE = 270 kΩ, RC = 330 kΩ, and βF = 100? (b) What are the differential-mode gain, and differential-mode input and output resistances? (c) What are the common-mode gain, CMRR, and common-mode input resistance for a single-ended output?arrow_forward(a) What are the Q-points for the transistors in the amplifier as shown if VCC = 15 V, VEE = 15 V, IEE = 400 μA, βF = 100, REE = 270 kΩ,RC =47 kΩ, VA=∞, and βF =100? (b) What are the differential-mode gain, common-mode gain, CMRR, and differential-mode and common-modeinput and output resistances? (c) Repeat part (b) for VA = 50 V.arrow_forwardWhat are the values of Add, Acd, and CMRR for the amplifier shown if ISS = 600 μA, RSS = 10 MΩ, Kn = Kp = 500 μA/V2, VTN =− VTP = 1 V, and λ = 0.015/V for both transistors? What are the minimum power supply voltages if the common-mode input range must be ±5 V? Assume symmetrical supply voltages.arrow_forward
- Consider the amplifier in the figure given below, where VA = 50 V, VCC = 20 V, VEE = 20 V, IEE = 350 μA, βF = 120, REE = 320 kΩ, and RC = 72 kΩ. What are the differential-mode input and output resistances of the given amplifier?arrow_forward(a) Suppose υbe(t) = 0.005 sin 2000πt V in the bipolar amplifier as shown . Write expressions for υbe(t), vce(t), and υCE(t). (b) What is the maximum value of IC that corresponds to the active region of operation?arrow_forwardInstruction/s: Draw, Illustrate and label your schematic diagram before solving the problem.2.) Given a Collector -Feedback Biased transistor circuit with voltage at common collector is +10v ,base resistor is 100k ohms, Collector resistor is 10k ohms and Base current is 8.38 micro ampere, ,Voltage at Base-emitter junction is 0.7v. Determine Beta DC , Collector current and Voltage at collector-emitter junction. These might help as a guide to answer the problem...arrow_forward
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