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5. A Feedback amplifier is shown below. You have already designed this amplifier in lab 2....
Figure 2 shows a feedback amplifier circuit. Rs is the source resistor and R, is the load resistor RS Vs VI RL OPAMP R2 R1 RM R3 R4 Step 1: open-loop and closed-loop circuits identification 1.1 Identify the source, the load, and the closed-loop amplifier 1.2 Identify the open-loop amplifier (**A" eireuit) and the feedback network (B" eircuit) in the closed-loop amplifier 1.3 Identify the connection type between the "A" circuit and the "B" circuit at both the input and...
QUESTION (5) The following series-shunt feedback amplifier is already biased properly. +VDD I Rp2Z Rois Tove M a) Identify the feedback network (B circuit) and provide an expression for B. Also give an expression for the ideal or upper-bound value of the closed-loop gain Af. You can neglect the output resistance ro for Mi and M2. (6 points) b) Determine the ratio Rz/Ri that will provide an ideal closed-loop gain of 10 V/V. If R1 = 1 k12, what should...
Problem 3: a) For the inverting amplifier designed using low noise amplifier AD743 shown on the bottom of the page with Ri=10kOhm and Rf=220kOhm, what should be the value of the resistor connected to the non-inverting input (R2) to minimize the output offset due to input bias current? b.) Even if the R2 value you calculated is used, could there be an output offset due to a difference between the two input bias currents? What is the maximum value of...
D. Since a frequency response as seen in C. is clearly unacceptable, the capacitor Cl is used to decrease the feedback signal at higher frequencies. Components are chosen as follows: R1-320k2, R2-10k2, C1-4.7nF. The transfer function of the feedback network is therefore 10, 000 Ro GRVoUT() urs) RRC1+RR 15.5330, 000 Determine the combined transfer function IsPx(s)/V(s) when the frequency compensation capacitor CI is installed and determine the poles and zeros (if any) of the new transfer function. [10 points] Problem1...
If you can't follow the instructions provided for this pre-lab, please let someone else try it. R1 and R2 are for you to figure out base on the instructions below. This is the q2n4401 code: .model Q2N4401 NPN(Is=26.03f Xti=3 Eg=1.11 Vaf=90.7 Bf=378.9 Ise=183f Ne=1.433 + Ikf=.3656 Nk=.5 Xtb=1.5 Var=100 Br=1.01 Isc=0 Nc=2 Ikr=0 Rc=.5 + Cjc=11.01p Mjc=.3763 Vjc=.75 Fc=.5 Cje=24.07p Mje=.3641 Vje=.75 + Tr=233.7n Tf=466.5p Itf=0 Xtf=0 Vtf=0) Procedure In this pre-lab, you'll be designing 2 4-resistor bias configurations using...
Consider the circuit below: Circuits 2 Lab Homework, Due Lab 13 Consider the circuit below. The source is a 1 Amp sinusoidal current source. As such, the phasor voltage Vab across the terminals a & b is simply 1 times the impedance Zab. clean sheet of paper and in a neat and orderly fashion, do the following: 1. Derive an equation for Zabls) in terms of the component names R1, L, C, and R2. (See Hints) 2. Find the poles...
Problem 1) [15 marks] The gain of the dual-op-axap instrumentation amplifier shown in Fig. 1 can be adjusted by the variable resistor Ro. The op-amps are ideal. atu Fig. 1 a)Show that v.-2(1 RG )(v2-v.). b Specify suitable components to have a variable gain from 10 to 100 V/V. Problem 2) [15 marks] a) Design an op-amp limiter circuit for amplitude control with the transfer characteristic of Fig. 2(a). Use +-15V DC sources to power the circuit. Assume Vo-0.7 V...
You used a 5V power supply from your lab kit and built the circuit below such that you met the following criteria: Nominal Resistor Values: R0 = 330 Ω, R1 = 2 KΩ, R2 = 330 Ω, R3 = 220 Ω, R4 = 1 KΩ. What was the reason for high percent error? How do you fix the problem RO A R1 R2 5V B С R3 R4 D Nominal Resistor Values: RO = 330 12, R1 = 2 KO,...
An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout Irer RI Vina JET T7T Figure 1 Integrated amplifier circuit. Circuit Data: Vpp = 15 V, IREF = I1 = I2 = 1.0 mA Transistor Data: Q1: NMOS, un Cox = 80 A/V?, W/L = 100 um/0.8 um, Vtn = 0.8 V, L = 0.10 um/V Q2: NPN BJT, B = 100, Vbe = 0.7 V, VA = 150 V Q3, Q4: NMOS, un...
1) Consider the 2-stage amplifier shown in the figure below. Both transistors have β-100 and operate at lc-1 mA, gm-38.5 ms, r,-2.6 kΩ and ro-100 kΩ. The resistor values are RE,- RE2-1 k(2, Rc,-10 kΩ and RB,-RB3-160 kΩ and RB2-R 34-72 k(2, Rsource-5 kΩ and RLOAD 0.5 k(2. BB2 BB1 in2 Rc1 RinR Rsource Rout RLOAD B2 RE2 E1 a. Calculate Rinl and Rout b. Calculate Rin2 and Rout2. c. Calculate overall Av Vo/vs 1) Consider the 2-stage amplifier shown...