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Rrent-mirror-loaded 8.79 A cu transistors hav gain is realized? NMOS differential amplifier is te...
For the differential amplifier shown in Figure 6: Assume well-matched transistors and = 100 for all transistors: a) Wh...
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
5) Consider the Cascode amplifier shown below. For the NMOS transistors, kn 0.2 mA/V2, Vr,-0.5 V,...
5) Consider the Cascode amplifier shown below. For the NMOS transistors, kn 0.2 mA/V2, Vr,-0.5 V, (W/L)-(W/L)2-5. VDD-GV and IBIAs= 1.0 mA. a) Assuming λ-0 for all transistors, find the required DC gate- source voltages of M1 and M2 (VGsı and VGs2, respectively) BIAS VD out b) Again assuming 0 M2 for all transistors, what is the minimum DC value of VouT for which the amplifier works in high-gain regime? (W/L)2 in M1 For parts c)-f), Assume -0.01 for all...
I need help with the following: 2. An NMOS differential amplifier (above, right) with identical transistors...
I need help with the following:
2. An NMOS differential amplifier (above, right) with identical transistors Q and Q2 is biased with an ideal current source of current/-0.2 mA, and has (W/L)-32, μ,Cox-200 Va: 10V, and RD-10 kΩ (a) Find Vov(-0.177 V), gm (-1.13 mA/V) ro, (100 k2), and As(-10.27 v/v). (b) Let there be mismatches of ΔRD/Ro-2%, Δ(W/L)/(W/L)-2% and Δν.-2m . what is the value of the total DC in put offset voltage Vos(-3.2 mV) caused by these mismatches?...
Problem 4: The following figure shows a biplolar op-amp circuit, the input differential pair Q,-Q, is...
Problem 4: The following figure shows a biplolar op-amp circuit, the input differential pair Q,-Q, is loaded in a current mirror formed by Q2-Q. The second stage is formed by the current-source-loaded common-emitter transistor Q. Unlike the CMOS circuit, here there is an output stage formed by the emitter follower Q. The function of capacitor Cc will be explained later in feedback chapter. All transistors have B=100, VBE = 0.7V, and r = 0. (a) For inputs grounded and output...
voltage f an npn be? What and Ao becolle ned device in (c) is operated at 10 μΑ, find produce the st and highest values of A,? What are these values? (d) If the redesigned lor, g,1%, and Ao. Which de...
voltage f an npn be? What and Ao becolle ned device in (c) is operated at 10 μΑ, find produce the st and highest values of A,? What are these values? (d) If the redesigned lor, g,1%, and Ao. Which designs and operating conditions Figure P7 39 cases, if WIL is held at the same value 7.40 The NMOS trans ricated in pendix K erated at l is made 10 times larger, what gains result? 36 Using a CMOS technology...
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
5) Consider the Cascode amplifier shown below. For the NMOS transistors, kn 0.2 mA/V2, Vr,-0.5 V, (W/L)-(W/L)2-5. VDD-GV and IBIAs= 1.0 mA. a) Assuming λ-0 for all transistors, find the required DC gate- source voltages of M1 and M2 (VGsı and VGs2, respectively) BIAS VD out b) Again assuming 0 M2 for all transistors, what is the minimum DC value of VouT for which the amplifier works in high-gain regime? (W/L)2 in M1 For parts c)-f), Assume -0.01 for all...
I need help with the following:
2. An NMOS differential amplifier (above, right) with identical transistors Q and Q2 is biased with an ideal current source of current/-0.2 mA, and has (W/L)-32, μ,Cox-200 Va: 10V, and RD-10 kΩ (a) Find Vov(-0.177 V), gm (-1.13 mA/V) ro, (100 k2), and As(-10.27 v/v). (b) Let there be mismatches of ΔRD/Ro-2%, Δ(W/L)/(W/L)-2% and Δν.-2m . what is the value of the total DC in put offset voltage Vos(-3.2 mV) caused by these mismatches?...
Problem 4: The following figure shows a biplolar op-amp circuit, the input differential pair Q,-Q, is loaded in a current mirror formed by Q2-Q. The second stage is formed by the current-source-loaded common-emitter transistor Q. Unlike the CMOS circuit, here there is an output stage formed by the emitter follower Q. The function of capacitor Cc will be explained later in feedback chapter. All transistors have B=100, VBE = 0.7V, and r = 0. (a) For inputs grounded and output...
voltage f an npn be? What and Ao becolle ned device in (c) is operated at 10 μΑ, find produce the st and highest values of A,? What are these values? (d) If the redesigned lor, g,1%, and Ao. Which designs and operating conditions Figure P7 39 cases, if WIL is held at the same value 7.40 The NMOS trans ricated in pendix K erated at l is made 10 times larger, what gains result? 36 Using a CMOS technology...
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