Rsig Ro3 I Ro1 Ro2 Ri3 Vsig Av1"Vin1 Av2*Vin2 Av3 Vin3 RL Given this two-port representation of an op amp with stage 1 being the diff pair, stage 2 being the middle gain, and stage 3 being the output circuit, calculate the overall voltage gain from Vsig to load RL. Rsig=50 Ohms, Ri1=20k, Av1=400, Ro1=1k, Ri2= 5k, Av2=200, Ro2=1k, Ri3=100k, Av3=0.9, Ro3=40 Ohms and RL = 100 Ohms 42327 O 27436 O 21825 O 30703

Rsig Ro3 I Ro1 Ro2 Ri3 Vsig Av1"Vin1 Av2*Vin2 Av3 Vin3 RL Given this two-port representation of an op amp with stage 1 being the diff pair, stage 2 being the middle gain, and stage 3 being the output circuit, calculate the overall voltage gain from Vsig to load RL. Rsig=50 Ohms, Ri1=20k, Av1=400, Ro1=1k, Ri2= 5k, Av2=200, Ro2=1k, Ri3=100k, Av3=0.9, Ro3=40 Ohms and RL = 100 Ohms 42327 O 27436 O 21825 O 30703

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Q2. For the op-amp circuit as shown below, given that RS = 50.5 kΩ, RL = 9 kΩ, R1 = 10 kΩ, R2 = 11 kΩ, R3 = 6 kΩ, R4 = 4 kΩ, R5 = 1.8 kΩ. (a) Determine the voltage gain G1=vO1/vS: (b) Determine the voltage gain G2=vO/vS:
(a) An instrumentation amplifier shown in Figure 1 is an anplifier of low-level signals used in process control or measurement applications and conmercially available in single-package units: (i) Show that vb=R3/R2(1+2R1/Rg)(v2−v1). (ii) Assume R1=50kΩ and R2=R3. If Rg is a tunable resistor with resistance ranging from 1000ohms to 10k ohms, what is the range of variable gain? (iii) Assume R1=10kΩ and R2=R3,∣v2−v1∣≤120mV and Vcc=12 V. In order to keep the op-amp circuit work in linear region, what is the minimum value of Ry ? (iv) State TWO characteristics of this op-amp circuit.
With the given circuit, you are tasked to do the ff: a. Write the node-voltage equations (where there must be one for eac input terminal of the op amp) b. The load current can be expressed as iL = AVin + BVL b.1 What is the expression for A? b.2 What should be the condition of resistors R1, R2, R3, & R4, so that B is zero? (which means this condition will allow iL depend only on Vin and not on RL)
What are the output current and output resistance of the current source as shown if VDD = 10 V, R4 = 2 MΩ, R3 = 1 MΩ, RS = 120 kΩ, Kp = 750 μA/V2, VT P = −0.75 V, and λ = 0.01 V−1?
What are the gain Av, input resistance, and output resistance of the three stage amplifier as shown (a) if R2 = 68 kΩ and R1 = 2.7 kΩ?
Find the differential-mode voltage gain, CMRR, input resistance, and output resistance for the amplifier as shown if VCC = 15 V, VEE = 15 V, VA3 = 75 V, βo1 = βo2 = βo3 = βo4 = 100, I1 = 100 μA, I2 = 500 μA, I3 = 5 mA, R1 = 750 kΩ, and RL = 2 kΩ. Assume R2 and R3 =∞.
Design For the design of the amplifiers, consider a very large load resistance RL. Use a 15 V DC source and a sinusoidal input signal of 200 mVpp and 1 kHz. Design a voltage amplification stage with a common emitter amplifier thatmeet the following specifications: Voltage gain of 15 (Av2 ≅ 15) Input impedance greater than or equal to 10 times Zo1 (Zi2 ≥ 10 Zo1). Low cut frequency less than or equal to 20 Hz (fcb2 ≤ 20 Hz). Maximum symmetric excursion. Use a 2N2222A (NTE123A) transistor. Also, determine the value of the impedance output (Zo2) of the designed circuit.
An almost ideal op amp has an open-circuit outputvoltage vo = 10 V and a gain A = 106 dB. What isthe input voltage vid? How large must the voltagegain be to make vid ≤ 1 V?
Figure 1 shows the equivalent circuit of a voltage amplifier with a source and aload connected to its input and output, respectively. Suppose that the sourceinternal resistance is Rs = 5 kΩ, the amplifier input resistance is RIN = 95 kΩ, theamplifier gain is A = 100, the amplifier output resistance is ROUT = 150 Ω and theload resistance is RL = 5 kΩ. For a sinusoidal input with amplitude VS = 5 mV, whatis the amplitude of the voltage VL across the load resistor RL? What would thevoltage across the load be without the amplifier?
Suppose Q23 in 16.47 is replaced by a cascode current source. (a) What is the new value of output resistance R2? (b)What are the new values of the y-parameters of 16.53(b)? (c) What is the new value of Adm for the op amp?
A noninverting ampliﬁer is built with R1 = 12 kΩ and R2 = 150 kΩ using an op amp with an open-loop gain of 86 dB. What are the closed-loop gain, the gain error, and the fractional gain error for this ampliﬁer? (b) Repeat if R1 is changed to 1.2 kΩ.
An inverting ampliﬁer is built with R1 =11kΩand R2 = 220 kΩ using an op amp with an open-loop gain of 86 dB. What are the closed-loop gain, the gain error, and fractional gain error for this ampliﬁer? (b) Repeat if R1 is changed to 1.1 kΩ.