Consider the following circuit below, assume V = 1.2 V and k = 0.5 mA/V². DS a. Determine I (in mA), V (in V) and VDs (in V). Express your answers in terms of three significant figures. b. What is the mode of operation of the MOSFET? Verify your answer. 5V R₂ = 8.2k R1 = 50kΩ R3 = 4.7k -5V Below is an example of an NMOS logic circuit. For all of the MOSFETs in the circuit below, assume V = 1 V and k = 50 mA/V². th 5V 5V R₂ = 5600 R₁₂ = 4700 A M₁ M₂ OB C. Indicate and verify the state of each MOSFET and V for the following input combinations. Fill-out the table below for each assumed state of the MOSFET for every input combination. Use R dson) approximation for linear operation and three significant figures for the voltages. Example: M1 is assumed to be in saturation. If Vgs = 2 V, Vds = 4V, Vds > Vgs - Vth 4>2-1 4> 1 (ok) Vgs > Vth (2>1) A B M1 state M2 state M3 state V OV OV 5 V OV d. What kind of logic circuit is implemented in the circuit above? 5 www. M3 V

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Problem
Consider the following circuit below, assume V₁ = 1.2 V and k = 0.5 mA/V².
th
a. Determine I (in mA), V (in V) and Vs (in V). Express your answers in
DS
terms of three significant figures.
b. What is the mode of operation of the MOSFET? Verify your answer.
5V
9
R₂ = 8.2kn
R₁ = 50kn
R3 = 4.7k
-5V
Below is an example of an NMOS logic circuit. For all of the MOSFETs in the circuit below,
assume V = 1 V and k = 50 mA/V².
th
5V
R₂ = 5600
R₁ = 4700
A
M₁
M₂
OB
c. Indicate and verify the state of each MOSFET and V for the following input
combinations. Fill-out the table below for each assumed state of the MOSFET for every
input combination. Use R
ds(on) approximation for linear operation and three significant
figures for the voltages.
Example:
M1 is assumed to be in saturation.
If Vgs = 2 V, Vds = 4V,
Vds > Vgs - Vth
4>2-1
4> 1 (ok)
Vgs > Vth (2>1)
A
B
M1 state
M2 state
M3 state
Vo
OV
OV
5 V
OV
d. What kind of logic circuit is implemented in the circuit above?
WI
100억
5V
M3
V
Transcribed Image Text:Problem Consider the following circuit below, assume V₁ = 1.2 V and k = 0.5 mA/V². th a. Determine I (in mA), V (in V) and Vs (in V). Express your answers in DS terms of three significant figures. b. What is the mode of operation of the MOSFET? Verify your answer. 5V 9 R₂ = 8.2kn R₁ = 50kn R3 = 4.7k -5V Below is an example of an NMOS logic circuit. For all of the MOSFETs in the circuit below, assume V = 1 V and k = 50 mA/V². th 5V R₂ = 5600 R₁ = 4700 A M₁ M₂ OB c. Indicate and verify the state of each MOSFET and V for the following input combinations. Fill-out the table below for each assumed state of the MOSFET for every input combination. Use R ds(on) approximation for linear operation and three significant figures for the voltages. Example: M1 is assumed to be in saturation. If Vgs = 2 V, Vds = 4V, Vds > Vgs - Vth 4>2-1 4> 1 (ok) Vgs > Vth (2>1) A B M1 state M2 state M3 state Vo OV OV 5 V OV d. What kind of logic circuit is implemented in the circuit above? WI 100억 5V M3 V
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