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2. An NMOS differential amplifier (above, right) with identical transistors...
An NMOS differential pair is biased by a current source I = 0.2 mA having an output resistance Rss = 100 k?. The amplif...
An NMOS differential pair is biased by a current source I = 0.2
mA having an output resistance Rss = 100 k?. The amplifier has
drain resistances RD = 10 k?, usign transistors with
=3mA/V^2, and an
that is large. If the output is taken differentially and there is
a 1% mismatch between the drain resistances, find
and CMRR. Note: no specific circuit schematic is provided for the
problem.
All nMOS transistors in the circuit shown are identical, have k' WIL 4 mA/V2 and operate...
All nMOS transistors in the circuit shown are identical, have k' WIL 4 mA/V2 and operate in the active region lp 1/2k 'W/L(Vas-V)']. Knowing that the de voltage VD4 at the drain of Q4-2 V. Determine: 1. The value of the bias current lo 2. The value of Vov 3. The transconductance gm of Q1 and Q2 4. The voltage gain vo/v 5. The voltage gain when a source resistance R, 1K2 is added to the source of Qi and...
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...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 ...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
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...
Triode region help. PMOS and NMOS . Saturation question. my work is below...did I do this...
Triode region help. PMOS and NMOS . Saturation question. my work
is below...did I do this right? I feel I am missing something. Are
they both showing saturation?
In the following problems, unless otherwise stated, assume unCox = 200 u A/V, MpCox 100 u A/V, and Vth = 0.4 V for NMOS devices and —0.4 V for PMOS devices. 6.24. In the Fig. 6.42 , what is the minimum allow- able value of Vpp if M1 must not enter the...
3. Consider the following multistage amplifier. The current source values are 1, -2mA, I, - 1mA,...
3. Consider the following multistage amplifier. The current source values are 1, -2mA, I, - 1mA, and 1 - 1mA. Also, Voo - Vss - 6V. +VDD (a) If the DC voltage at the output is OV, find all DC currents at the drains of all transistors. Also, find the DC voltages at the drain, gate, and source terminals for all transistors (you can put the values directly on the figure). Use k.(W/L) - k.(W/L) = 2mA/V. And Vin -...
An NMOS differential pair is biased by a current source I = 0.2
mA having an output resistance Rss = 100 k?. The amplifier has
drain resistances RD = 10 k?, usign transistors with
=3mA/V^2, and an
that is large. If the output is taken differentially and there is
a 1% mismatch between the drain resistances, find
and CMRR. Note: no specific circuit schematic is provided for the
problem.
All nMOS transistors in the circuit shown are identical, have k' WIL 4 mA/V2 and operate in the active region lp 1/2k 'W/L(Vas-V)']. Knowing that the de voltage VD4 at the drain of Q4-2 V. Determine: 1. The value of the bias current lo 2. The value of Vov 3. The transconductance gm of Q1 and Q2 4. The voltage gain vo/v 5. The voltage gain when a source resistance R, 1K2 is added to the source of Qi and...
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...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
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...
Triode region help. PMOS and NMOS . Saturation question. my work
is below...did I do this right? I feel I am missing something. Are
they both showing saturation?
In the following problems, unless otherwise stated, assume unCox = 200 u A/V, MpCox 100 u A/V, and Vth = 0.4 V for NMOS devices and —0.4 V for PMOS devices. 6.24. In the Fig. 6.42 , what is the minimum allow- able value of Vpp if M1 must not enter the...
3. Consider the following multistage amplifier. The current source values are 1, -2mA, I, - 1mA, and 1 - 1mA. Also, Voo - Vss - 6V. +VDD (a) If the DC voltage at the output is OV, find all DC currents at the drains of all transistors. Also, find the DC voltages at the drain, gate, and source terminals for all transistors (you can put the values directly on the figure). Use k.(W/L) - k.(W/L) = 2mA/V. And Vin -...
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