MICROLEECTRONIC E BOOKS
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ISBN: 9780190853532
Author: SEDRA
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Chapter 2, Problem 2.66P
To determine
To prove: The input common mode resistance is
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2.63 Find the voltage gain vo/via for the difference amplifier of Fig. 2.16 for the case R₁ = R3 = 5 k and R₂ = R4=
50 kn. What is the differential input resistance Rid? If the two key resistance ratios (R₂/R₁) and (R4/R3) are
different from each other by 1%, what do you expect the common-mode gain Acm to be? Also, find the CMRR in
this case. Neglect the effect of the ratio mismatch on the value of Ad.
4) Below is the small signal model of a multistage amplifier. Using this model, write the equationsthat you
would need to determine the voltagegain. IMPORTANT: You only need to providethe equations that you would
need to determinethe voltage gain. You DO NOT need to combine and simplify the equationsto determine a final
expression for the voltagegain.
Vin
Vo
Vb
vo1
Rb
R13
Vbe1
Vbe2 'e
gm 1 Vbe1
gm 2 Vbe2
Rc2
Rc1
Re
S2.2 Which of the following Common Source Amplifier's generalone of its features.A) The voltage gain of the circuit is always less than 1.B) There is no phase difference between the output signal and the input signal of the circuit.C) There is a phase difference of 1800 between the output signal and the input signal of the circuit.D) The voltage gain of the circuit is always less than 1.
Chapter 2 Solutions
MICROLEECTRONIC E BOOKS
Ch. 2.1 - Prob. 2.1ECh. 2.2 - Prob. D2.4ECh. 2.2 - Prob. 2.5ECh. 2.2 - Prob. D2.8ECh. 2.3 - Prob. 2.10ECh. 2.3 - Prob. D2.11ECh. 2.3 - Prob. 2.12ECh. 2.3 - Prob. 2.13ECh. 2.3 - Prob. 2.14ECh. 2.4 - Prob. 2.15E
Ch. 2.4 - Prob. D2.16ECh. 2.4 - Prob. 2.17ECh. 2.5 - Prob. D2.19ECh. 2.5 - Prob. D2.20ECh. 2.6 - Prob. 2.21ECh. 2.6 - Prob. 2.22ECh. 2.6 - Prob. 2.23ECh. 2.6 - Prob. 2.24ECh. 2.6 - Prob. 2.25ECh. 2.7 - Prob. 2.26ECh. 2.7 - Prob. 2.27ECh. 2.7 - Prob. 2.28ECh. 2.8 - Prob. 2.29ECh. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.10PCh. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. D2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.33PCh. 2 - Prob. 2.34PCh. 2 - Prob. D2.35PCh. 2 - Prob. D2.36PCh. 2 - Prob. D2.37PCh. 2 - Prob. 2.39PCh. 2 - Prob. D2.42PCh. 2 - Prob. D2.43PCh. 2 - Prob. 2.44PCh. 2 - Prob. D2.46PCh. 2 - Prob. D2.47PCh. 2 - Prob. D2.48PCh. 2 - Prob. D2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. 2.51PCh. 2 - Prob. D2.53PCh. 2 - Prob. 2.54PCh. 2 - Prob. D2.59PCh. 2 - Prob. 2.60PCh. 2 - Prob. 2.65PCh. 2 - Prob. 2.66PCh. 2 - Prob. 2.67PCh. 2 - Prob. 2.68PCh. 2 - Prob. D2.69PCh. 2 - Prob. 2.70PCh. 2 - Prob. 2.76PCh. 2 - Prob. 2.77PCh. 2 - Prob. 2.80PCh. 2 - Prob. 2.81PCh. 2 - Prob. 2.89PCh. 2 - Prob. D2.92PCh. 2 - Prob. D2.93PCh. 2 - Prob. 2.94PCh. 2 - Prob. D2.99PCh. 2 - Prob. 2.104PCh. 2 - Prob. 2.106PCh. 2 - Prob. 2.114PCh. 2 - Prob. D2.117PCh. 2 - Prob. 2.119PCh. 2 - Prob. 2.121PCh. 2 - Prob. 2.123PCh. 2 - Prob. 2.124PCh. 2 - Prob. 2.126PCh. 2 - Prob. D2.127P
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- 2) Draw the small signal model for the amplifier shown below. Do not make any approximations. Label Vin and Vo. Vdd Vdd Vdd R2 R4 R6 R1 Vo1 Vin2 Vo Vin R5 R3 R7arrow_forwardIII-. From the circuit of common source JFET amplifier shown in the figure, its has VGS(om) = -2.0V, IDSS = 1.4mA. If you need this amplifier to be biased with ID=0.7mA, VDD = 20V, and voltage gain of 20dB, what is the value of RS, and RD? Vin C₁ G RG VOD RD HI C₂ Voutarrow_forwardb) Draw a shunt regulator and clearly show the four main elements. Derive an expression for the output voltage. A differential amplifier has an output voltage given by Vo =9 V1-10V2. The two c) inputs are VI= 10 mV and V2=20 mV. Determine common mode input voltage, common mode gain and the differential gain. %3D In Op-Amp circuit of Fig. 2.1, find Vo in terms of Vi and V2 assume the ideal op amp model. Find an expression for o. If V 1.5V and V2= 3.0V, find Vo for Ri=1k and R2 =2k2 d) %3D %3Darrow_forward
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- II- 1) Draw the circuit of a V-l converter and derive an expression for the output current in terms of input voltage. 2) Draw the neat diagram of analog multiplier using log-antilog amplifiers and explain its operation.arrow_forwardDraw the circuit used to determine the output resistance of the noninverting amplifier and convince yourself that it is indeed the same as shown.arrow_forwardWhat are circuits can used to design Class B amplifier ? explain the important features ? for eacharrow_forward
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