MIDTERM
A linear circuit is shown below.
Pic: http://i45.tinypic.com/206flvd.png
The elements in this circuit have the following values: R1=200Ω, R2=200Ω, R3=100Ω, V1=5V, I1=0.001A and I2=0.005A
Determine the potentials at nodes A and B, assuming a ground node as shown in the figure.
(a) What is the value of voltage vA in Volts?
(b) What is the value of voltage vB in Volts?
Now let us determine if the answers you came up with satisfy the laws of physics.
What is the power (in Watts) dissipated in resistor R1?
What is the power (in Watts) dissipated in resistor R2?

- anonymous

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- schrodinger

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- anonymous

What is the power (in Watts) dissipated in resistor R3?
What is the power (in Watts) coming out of the voltage source V1?
What is the power (in Watts) coming out of the current source I1?
What is the power (in Watts) coming out of the current source I2?

- anonymous

MIDTERM 2
For many purposes of gate design, we can model a MOSFET used as a switch simply as as an ideal switch and an "on-state resistor" RON. This is the SR model.
Assuming this model for the MOSFET, consider the inverter in the figure. This inverter is intended to be used as an element in a logic family with NAND and NOR gates.
Pic: http://i50.tinypic.com/4kgxf9.png
The static discipline required for this family is:
VS=5.0V, VOH=4.5V, VIH=4.0V, VIL=1.5V, VOL=1.0V.
What is the low noise margin (in Volts)?
What is the high noise margin (in Volts)?
What is the width of the forbidden region (in Volts)?
Suppose that the threshold voltage for the MOSFET is VT=2.0V and RON=19000.0Ω.
What is the minimum value of the pullup resistor RPuI (in Ohms) for which this inverter can obey the required static discipline?
Now, consider the NAND gate of this family. What is the minimum value of the pullup resistor RPuA (in Ohms) for which this inverter can obey the required static discipline?
How about the NOR gate of this family. What is the minimum value of the pullup resistor RPuO (in Ohms) for which this inverter can obey the required static discipline?
Assume that we implemented this family with the minimum pullup resistors that you have already calculated.
What is the maximum power (in Watts) consumed by the inverter?
What is the maximum power (in Watts) consumed by the NAND?
What is the maximum power (in Watts) consumed by the NOR?

- anonymous

MIDTERM 3
A nonlinear device Z has the i-v relationship shown below.
Pic: http://i50.tinypic.com/e9vgp5.png
This device is used in the circuit shown below, where "I" is the value of the current source.
Pic: http://i49.tinypic.com/2zs741c.png
Assuming that I=10A, what is the value of the voltage vo (in Volts)?
Now assuming that I=−3A, what is the value of the voltage vo (in Volts)?
Finally, for the last two parts assume that I=5A.
What is the value of the voltage vo (in Volts)?
What is the value of the voltage v1 (in Volts)?

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

- anonymous

MIDTERM 4
A startup company TransGadget has invented a new type of MOS-gated transistor called ExtremeT. The symbol for ExtremeT and its terminal voltage-current characteristics are given below:
Pic: http://i50.tinypic.com/2lc0n05.png
TransGadget wants to determine the usefulness of their invention by examining the large-signal input-output characteristics of two amplifiers built using ExtremeT. They hire you to figure this out.
First a source follower amplifier is built using ExtremeT, as shown below.
Pic: http://i47.tinypic.com/211nj9y.png
What is the expression for vOUT in terms of vIN, R, and b when vIN is greater than 0V?
ExtremeT is now used to build a different type of amplifier which uses two transistors as shown below.
Pic: http://i50.tinypic.com/rmmn4g.png
What is the expression for vOUT in terms of vIN, VS, R, and b for this amplifier when vIN is greater than 0V?

- anonymous

MIDTERM 5
The startup company TransGadget has also invented a MOS-gated transistor called SuperT, with the symbol and terminal voltage-current characteristics given below.
Pic: http://i45.tinypic.com/2sacjs8.png
Engineers of TransGadget build a common source amplifier using SuperT as shown below.
Pic: http://i47.tinypic.com/xpa7hd.png
Here, VS=80V, R=1.5kΩ, and the transistor parameter f=2mAV3. The amplifier is biased with VIN=2V.
What is the dc operating point (bias) output voltage VOUT (in Volts) of this amplifier?
What is the small signal gain (vOUT/vIN) of this amplifier when it is biased as above?

- anonymous

PICTURES TO MIDTERM 4
Pic 1:
http://i48.tinypic.com/v46lxf.png
Pic 2:
http://i50.tinypic.com/2lc0n05.png
Pic 3:
http://i50.tinypic.com/rmmn4g.png

- anonymous

MIDTERM 6
The circuit below contains two dependent sources: a voltage controlled voltage source and a voltage controlled current source.
Pic: http://i47.tinypic.com/71oj03.png
The circuit elements have the following values: Vin=42V, R1=4Ω, R2=4Ω, R3=7Ω, A=1.5 and B=0.125.
What is the value of the current i1 (in Amps)?
What is the value of the output voltage vOUT (in Volts)?
We wish to create a Thevenin equivalent model of the above shown circuit as seen from its Output Port.
What is the value of the Thevenin equivalent voltage as seen from the Output Port (in Volts)?
What is the value of the Thevenin equivalent resistance (in Ohms) as seen from the Output Port?

- anonymous

I'll try solving most of it myself and on request post my answers. If anyone is up to joining me,you're welcome to do so and thanks in advance :)

- anonymous

every one post the answers you get here ill be adding sum when im done iswell

- anonymous

ok

- anonymous

pls check this if it is correct
1)va=2.84v
2)vb=0.68v

- anonymous

HEy @jayapavan
what are the other values u got????

- anonymous

solved the first question complete

- anonymous

the values for everyone will be different so give the final answer in terms of different parameters
and then just substitute the values

- anonymous

@saadixyz formulas plzz

- anonymous

midterm2
What is the low noise margin (in Volts)? VIL-VOL=0.5
What is the high noise margin (in Volts)? VOH-VIH=0.5
What is the width of the forbidden region (in Volts)? VIH-VIL=2.5

- anonymous

@lucky12345 , The midterm 2 question absolutely same as the question that was given in Homework 3 named as "H3P1: A Logic Family "

- anonymous

ya but there are some additional parts
give answers to question in the i hav given
it will be much simpler for everyone to understand

- anonymous

used a program...

- anonymous

@saadixyz , which program ?

- anonymous

mid term 2
Vout=Vs*RON/(RON+RPULLUP).
Vout is lower than VOL
rpull= 4*r0n for inverter , nor
rpull= 4*r0n for nand

- anonymous

@saadixyz which program you used

- anonymous

@lucky12345 , Bro , midterm 2 is same as homework question.

- anonymous

midterm 1
answers??
plz give the formula of the answer

- anonymous

helloooo??

- anonymous

yes

- anonymous

q2 last 6 six questions answers plz

- anonymous

@saadixyz : wat r d ans for last 3 que of MIDTERM 1?????
or formula?????

- anonymous

q1:r1=50,r2=50,r3=100,v1=4,i1=0.0001,i2=0.001
answers
2.9775
1.955
0.0209
0.0211
0.038
0.078
0.000195
-0.00195

- anonymous

my values for question one are this any help The elements in this circuit have the following values: R1=1000Ω, R2=400Ω, R3=600Ω, V1=6V, I1=2A and I2=2A

- anonymous

@hejå: dan dis ans ll not work 4 u.......

- anonymous

q2:vs=5,voh=4.5,vih=4,vil=1.5,vol=1
0.5
0.5
2.5
44000
88000
44000
4.45e-4
2.27e-4
5.05e-4

- anonymous

@rvamsi: can u tell me how did u get ans of last 3 que of Q1???????

- anonymous

@rvamsi Vt=? Ron=?

- anonymous

q3: 1) 2

- anonymous

q3:
1.) i=8,vo=2
2.) i=-3,vo=-1
3.)&4.) i=3
1
2

- anonymous

@rvamsi : tell me d formulas

- anonymous

good work but @rvamsi tell me the formulae 4 all u r answers

- anonymous

@rvamsi , kindly post the formula/expression as the values are different :-/

- anonymous

@machu , Thanks ! But kindly post the formulas as the values are different. If you will post the formula, everyone will be able to solve it

- anonymous

@machu plz help r1=r2=100,r2=200,i1=0.01,i2 0.001

- anonymous

@chanakya2346 : 2.84 , 1.64 , 0.023 , 0.023 , 0.004624
last 3 still remain unsolved

- anonymous

ty akash97

- anonymous

@akash97 do u know the formulae for the last 3 question of mid 1

- anonymous

q3:
replace the zener diode with a resistor and find voltage across it

- anonymous

@rvamsi : tell me da formulas for MIDTERM Q1 nly

- anonymous

plz post the aswers in terms of formula
not the final answer in terms of values

- anonymous

@akash97 the ans u have told was wrng

- anonymous

@chanakya2346 : wch 1???????/ Ma ans r marked r8........

- anonymous

@rvamsi
question 2 plz

- anonymous

Suppose that the threshold voltage for the MOSFET is VT=2.0V and RON=10000.0Ω.
What is the minimum value of the pullup resistor RPuI (in Ohms) for which this inverter can obey the required static discipline?

- anonymous

@akash my values are r1=r2=100,r3=200,i1=0.01,i2 0.001.....wat's u r's

- anonymous

0.0015, 2 -2

- anonymous

@chanakya2346 : sorry .ma values r r1=r2=200 & r3=100

- anonymous

@akash97 if you know the formulae plz tell me

- anonymous

multisim program

- anonymous

Please , tell the formulas ....

- anonymous

dude tell me the values i'll tell the answer

- anonymous

and tell me the formulae for question 2

- anonymous

@saadixyz , yaar see ! if you will post only the answers not everyone will able to solve it so therefore kindly post the formula so that everyone can solve it :)

- anonymous

@chanakya2346 : power in R1= (vs - va)^2 / r1.........
: power in R2= ( va- vb)^2 / r2
......

- anonymous

@saadixyz r1=r2=100,r3=200,i1=0.01,i2= 0.001

- anonymous

@saadixyz , The midterm 2 question absolutely same as the question that was given in Homework 3 named as "H3P1: A Logic Family " .

- anonymous

@saadixyz : r1=r2=200 & r3=100 I1= 0.001 i2 = 0.005
tell me d formulas for last 3 que of MIDTERM 1

- anonymous

@akash97 , this is what I am continuously saying that someone should post the formulas :-/

- anonymous

@chaand.i : i DID IT MAN nw

- anonymous

@chaand.i the values are changed

- anonymous

@saadixyz , yeah ... but the way of solving is same as it was in homework 3 !

- anonymous

@akash97 , congrats dude :) ... what are the formulas you used in all the parts of QUESTION 1 ?

- anonymous

@chaand.i can u refer me somewhere

- anonymous

can someone put the final answer of question 1 (formula)
akash97

- anonymous

@saadixyz , okay give me a moment ! I'll try to post the formulas

- anonymous

@chaand.i : I post 2 formulas for que 4 5 ...
que 6 is easy
bt I dont know formulas for que 7 8 9.DO u know
?

- anonymous

@chaand.i thanx

- anonymous

@akash97 , No I am stucked in question 1 as well :/

- anonymous

@chaand.i : use CIRCUIT SANDBOX & use DC analysis to get ans.
Everytime pen doent work.
Sometimes CPU works better.: ) I have send u a msj.reply it fast

- anonymous

@akash97 tell me your question????

- anonymous

@akash97 , okay thanks ! Let me find the software and then i ll let you know

- anonymous

- anonymous

ron =6000

- anonymous

@saadixyz : r1=r2=100,r3=200,i1=0.001,i2= 0.005.dan
1) What is the power (in Watts) coming out of the voltage source \(V_1\)?
2)What is the power (in Watts) coming out of the current source \(I_1\)?
3)What is the power (in Watts) coming out of the current source \(I_2\)?

- anonymous

what is v

- anonymous

????

- anonymous

v=5 volt

- anonymous

1)0.054

- anonymous

2)0.00068

- anonymous

befor posting the answer plz write the question and then the answer

- anonymous

3)0.0034

- anonymous

these are in order of as asked

- anonymous

1 & 3rd r marked awrng @saadixyz

- anonymous

@akash97 what?? i dont understand

- anonymous

change sign

- anonymous

let me check

- anonymous

@saadixyz : from 3 ans u given me , 1st ans & 3rd ans r wrong

- anonymous

ok

- anonymous

@hejå
Vout=1 , so first calculate vs * RON which is 5* 10000 =50000
10,000 + RPUL =50,000
RPUL = 50,000-10,000=40,000

- anonymous

@saadixyz : 1st ans may b r8 since I made mistake while writing dat 1

- anonymous

@akash97 0.0725 first answer

- anonymous

Assume that we implemented this family with the minimum pullup resistors that you have already calculated.
What is the maximum power (in Watts) consumed by the inverter?
incorrect
What is the maximum power (in Watts) consumed by the NAND?
incorrect
What is the maximum power (in Watts) consumed by the NOR?

- anonymous

check tell and give medal

- anonymous

@akash97 0.0105 check and give medal and sorry for the wrong answers

- anonymous

0.0105 FOR WCH que????????????

- anonymous

last one

- anonymous

@saadixyz : ty

- anonymous

yes

- anonymous

@akash97 so it checked out

- anonymous

@saadixyz : still ans r wrng...........

- anonymous

which
one

- anonymous

both

- anonymous

the power across voltage and i2

- anonymous

???

- anonymous

yah

- anonymous

@akash97 dude mail me your circuit and values

- anonymous

@saadixyz plz give the formulas used in question 1
nt the final value that you are getting
we all hav different values

- anonymous

completed q2

- anonymous

any one need help in q2

- anonymous

@chanakya2346 plz give the formula used in q1,q3

- anonymous

@lucky12345 i havent completed mid 1 mid 3 ......i have completed only mid2

- anonymous

k wen u complete it plz tell the answers :-)

- anonymous

@lucky12345 for sure

- anonymous

@chanakya2346 plz help me with q 2

- anonymous

hey can u plz tell the answer for q3 3rd and the 4th part?

- anonymous

question 3 anyone

- anonymous

question 1 formulae plz

- anonymous

sSuppose that the threshold voltage for the MOSFET is VT=2.0V and RON=6000.0Ω.
What is the minimum value of the pullup resistor RPuI (in Ohms) for which this inverter can obey the required static discipline?

- anonymous

plz give the answer of the questions in the way i hav given
its becoming realy difficult to find the answer otherwise

- anonymous

plz give the ans for q3....

- anonymous

@saadixyz rpullup in ur case is 24000 (nor,not gate) and 48000 (nand)

- anonymous

2 equations for Q4

- anonymous

@lucky12345 and the powers

- anonymous

put the corresponding values in the answers i provided

- anonymous

Q1
power across V1=V1*current across V1(dis u get using circuit sandbox)
power across I1=Vb*I1
power across I2=Vb*I2

- anonymous

@lucky12345 check your answers what is that 2.613 multiplyed

- anonymous

2.613 is the final answer i got for my midterm q2
u just use the formula

- anonymous

plz any one completed midterm 4

- anonymous

The static discipline required for this family is:
VS=5.0V, VOH=4.5V, VIH=4.0V, VIL=1.5V, VOL=1.0V.
What is the low noise margin (in Volts)?
correct
What is the high noise margin (in Volts)?
correct
What is the width of the forbidden region (in Volts)?
correct
Suppose that the threshold voltage for the MOSFET is VT=2.0V and RON=10000.0Ω.
What is the minimum value of the pullup resistor RPuI (in Ohms) for which this inverter can obey the required static discipline?
incorrect
Now, consider the NAND gate of this family. What is the minimum value of the pullup resistor RPuA (in Ohms) for which this inverter can obey the required static discipline?
incorrect
How about the NOR gate of this family. What is the minimum value of the pullup resistor RPuO (in Ohms) for which this inverter can obey the required static discipline?
incorrect
Assume that we implemented this family with the minimum pullup resistors that you have already calculated.
What is the maximum power (in Watts) consumed by the inverter?
incorrect
What is the maximum power (in Watts) consumed by the NAND?
incorrect
What is the maximum power (in Watts) consumed by the NOR?
some one help i always help people here lol

- anonymous

@hejå see closed questions for answers

- anonymous

equations 4 mid term 4 plz any one

- anonymous

can any one help me with nand

- anonymous

@Nurali can u pls lemme kno d formula for question number 4

- anonymous

mid term question4 equations any one plz plz help............

- anonymous

@hejå which question??

- Nurali

@heja
1. 40000
2. 80000
3. 40000
4. 0.0005
5. 0.00025
6. 0.00055

- anonymous

@heja
for nand gate power is Vs^2/(Rpul+2Ron)

- anonymous

thanks for help i had the answer 0.00025 alrdy but it was my final check and it didnt feel right haha

- anonymous

Q1) What is the power (in Watts) coming out of the voltage source V1?
i used this (V1*current across V1) and give -0.04 but it is wrong any help

- anonymous

@Nurali help me wid que 4 pls

- anonymous

equations for question number 4 please ???

- Nurali

sorry i have not done

- anonymous

ok no probs...

- Nurali

please help me question 3
A nonlinear device Z has the i-v relationship shown below.
This device is used in the circuit shown below, where "I" is the value of the current source.
1. Assuming that I=10A, what is the value of the voltage vo (in Volts)?
2. Now assuming that I=−3A, what is the value of the voltage vo (in Volts)?
Finally, for the last two parts assume that I=5A.
3. What is the value of the voltage vo (in Volts)?
4. What is the value of the voltage v1 (in Volts)?

- anonymous

@Nurali : 1) 2
2)-1
3)1.66
4)3.33
jz replace device by zener diode

- anonymous

@Nurali : click on best response if u got ans

- anonymous

@chanakya2346 Q4 (R*b)/(1+R*b)*vIN
(VS*(1+R*b)-vIN)/(1+R*b)

- anonymous

@Nurali click on best response if find answer helpful

- anonymous

@kaddy so what are the answers

- anonymous

what are the formulas for question 3

- anonymous

@kaddy : do you know ans of Q5??????????

- anonymous

Finally, for the last two parts assume that I=1A.
What is the value of the voltage vo (in Volts)?
incorrect
What is the value of the voltage v1 (in Volts)?

- anonymous

@akash97 trying out...i ll post 1ce i arrive at the answer :)

- anonymous

@saadixyz which answer???

- anonymous

please help me with q5 and q6..

- anonymous

q5:
1.) VS-(R*iD)
iD=f*(VIN)^3

- anonymous

@rvamsi for gain wats d formula pls??

- anonymous

@kaddy -3*f*(vgs^2)*RL

- anonymous

@chanakya2346 thank u

- anonymous

@kaddy no mention (any way thanx 4 the medal)

- anonymous

did any one the last one of q6

- anonymous

@rvamsi ; DID U GET any one ans of Q6????

- anonymous

@rvamsi have u done with q6

- anonymous

no

- anonymous

plz give formulae for q6

- anonymous

q6
vin=18,r1=1.5,r2=3,r3=4,A=1.5,B=0.5
1.)1.8
2.)1.8
3.)1.8
4.).......?

- anonymous

formula plz or (Vin=42V, R1=4Ω, R2=4Ω, R3=7Ω, A=1.5 and B=0.125.
)

- anonymous

@rvamsi : tell us formulas

- anonymous

tell us formula@rvamsi

- anonymous

@rvamsi wats d last answer? pls lemme kno

- anonymous

hey!!!1 plz tell the answer for q6 with parameters Vin=45V, R1=1.5Ω, R2=2Ω, R3=6Ω, A=2 and B=0.5

- anonymous

Vo* (R3-(B*R1*R3)+R1+R2+A*R2)/(R3-B*R1*R3)=VIN

- anonymous

i1=V0/(R3-B*R1*R3)

- anonymous

vo and vth are same

- anonymous

oka

- anonymous

what about rth

- anonymous

Vo is output voltage only no?....

- anonymous

RTH PLZZZZZZZZZZZZZZZZ

- anonymous

q1:r1=200,r2=200,r3=100,v1=5,i1=0.001,i2=0.005
plzzzzz can anyone helpp me?
i need power over r1,r3 and i1
thx i ll give a medal

- anonymous

r1,r3 and il only? @graydarl

- anonymous

yup, i have the rest of them

- anonymous

Thank you very much i ll give a medal

- anonymous

Vin=45V, R1=1.5Ω, R2=2Ω, R3=6Ω, A=2 and B=0.5 value of rth in q6 please please

- anonymous

@machu yes just the power for r1,r3 and i1 (q1) thank you very much i ll give u a medal if u can help me

- anonymous

power dissipated thru r1= 0.02333
power dissipated thru r3= 0.00462
third one answer is
power dissipated thru i1= 1 milli ampere * 680 milliwatt......i'll get the value in a min

- anonymous

@machu i'll wait thank you very much

- anonymous

@mostafa.ibrahim q3: 1.) i=8,vo=2 2.) i=-3,vo=-1 3.)&4.) i=3 1 2

- anonymous

power dissipated thru r1= 0.02333
power dissipated thru r3= 0.00462
third one answer is 0.68
@graydarl

- anonymous

@machu 0.00068 was for the third but thank you very much

- anonymous

(q2) VS=5.0V, VOH=4.5V, VIH=4.0V, VIL=1.5V, VOL=1.0V. can someone help me with this please?

- anonymous

oh sorry i forgot milli volts!was tired! glad u got it right

- anonymous

pls giv me the formula for Q1 and Q3
i will giv a medal
pls help

- anonymous

Please explain Q1 formula

- anonymous

(q3) I=10A, I=−3A,I=1A. plzzzzzzzzzz help

- anonymous

@graydarl
2
-1
0.33333
0.66666

- anonymous

@lucky12345 Thank you very much bro

- anonymous

@mostafa.ibrahim
Vout = 60
Gain = -60

- anonymous

thanks u bro @pauliusn

- anonymous

q(5) when vs=100, r=1kohm , f=1 ma/v^3, vin=4v
(1)what is th dc bais VOUT?
(2)gain(vout/vin)
plzzzz help

- anonymous

@graydarl
Vout = 36
Gain = -48

- anonymous

Thank you very much @pauliusn

- anonymous

(q6) The circuit elements have the following values: Vin=27V, R1=5Ω, R2=7Ω, R3=12Ω, A=6 and B=0.1.
plzzzzzzzz help

- anonymous

Solution for Q1:
vA = (R2*V1 + R3*V1 + I1*R1*R3 - I2*R1*R3)/(R1 + R2 + R3)
vB = (R3*(V1 + I1*R1 + I1*R2 - I2*R1 - I2*R2))/(R1 + R2 + R3)
P_R1 = (vA-V1)^2/R1
P_R2 = (vA-vB)^2/R2
P_R3 = vB^2/R3
P_V1 = V1 * (V1-vA)/R1
P_I1 = V1 * I1
P_I2 = V1* (-I2)

- anonymous

Solution for q2
VS=5.0 VOH=4.5 VIH=4.0 VIL=1.5 VOL=1.0
The low noise margin is defined as VIL−VOL. For this problem, it is 0.5V. As an example, if an inverter outputs a valid voltage signal of 1.0V (VOL) to another inverter, then that signal can rise by 0.5V all the way to VIL, before it becomes an invalid logical 0 input to the second inverter.
The high noise margin is defined as VOH−VIH. For this problem, it is 0.5V. Again, if an inverter outputs a valid voltage signal of 4.5V(VOH) to another inverter, then that signal can fall by 0.5V, all the way to VIH before it becomes an invalid logical 1 input to the second inverter.
The width of the forbidden region is defined as VIH−VIL. For this problem, it is 2.5V. Valid inputs to our logic family are not allowed to fall between VIH and VIL.
When VGS for the MOSFET is below VT, the MOSFET behaves like an open circuit, and iDS=0. That means no voltage drops over RPUI and the output voltage of our inverter is VS, so this case is fine with out static discipline, since the output voltage is above VOH. For VGS≥VT, the MOSFET is on and behaves like a resistor with resistance RON with our model.
To find RPUI:
VOL=VS(RON)RON+RPUI
1=5(12000.0)(12000.0+RPUI)→RPUI=48000.0Ω
Similar to the inverter case, when either MOSFET is off, no current can flow through the pullup resistor because the MOSFETs and pullup resistor are in series. So VOUT for the NAND gate is simply VS when either MOSFET is off. When both MOSFETs are on, they behave like resistors with resistance RON. The two MOSFETs are in series, so we calculate:
To find RPUA:
VOL=VS(2RON)2RON+RPUA
1=5(24000.0)(24000.0+RPUA)→RPUA=96000.0Ω
When both MOSFETs are off, VOUT for the NOR gate is simply VS because no current can flow through either MOSFET or RPUO. When one MOSFET is on, VOUT is:
VS⋅(0.5)RON(0.5)RON+RPUO
because the MOSFETs are in parallel with each other. For the cases with one MOSFET on or both MOSFETs on, VOUT must be at least as small as VOL. For the case with one MOSFET on, RPUO must be at least 48000.0 Ω. For the case with both MOSFETs on, RPUO must be at least 24000.0 Ω. So for our NOR gate to satisfy the static discipline, RPUO must be at least 48000.0 Ω.
When the MOSFET in the inverter is off, no power is consumed because no current can flow as the MOSFET behaves like an open circuit. When it is on, VS must drop over RPUI and RON, so the power consumed is:
(VS)2RPUI+RON
Power consumed by inverter:
25V12000.0+48000.0Ω=0.000417W
When either MOSFET is off, no current flows through the MOSFETs or RPUA, so there is no power consumed. When both MOSFETs are on, VS must drop over RPUA and 2RON because the MOSFETs are in series with each other. The power consumed in this case is:
(VS)2RPUA+2RON
Power consumed by NAND:
25V2⋅12000.0+96000.0Ω=0.000208W
When both MOSFETs are off, no curernt can flow, so no power is consumed. When one MOSFET is on, VS must drop over RPUO and RON, so the power consumed is:
(VS)2RPUO+RON
When both MOSFETs are on, VS must drop over RPUO and 12 RON because the MOSFETs are in parallel, so the power consumed is:
(VS)2RPUO+0.5(RON)
The maximum power is consumed by the NOR gate in the latter case:
25V(12000.0∥12000.0)+48000.0Ω=0.000463W

- anonymous

(q6) The circuit elements have the following values: Vin=27V, R1=5Ω, R2=7Ω, R3=12Ω, A=6 and B=0.1. please help

- anonymous

we need a genius everyone that finds a genius must bring him here]

- anonymous

Solution for Q2:
NM_L = V_IL - V_OL
NM_H = V_OH - V_IH
ForbiddenRegion = V_IH - V_IL
R_PuI = VS * RON/V_OL - RON
R_PuA = VS * 2 * RON/V_OL - 2*RON
R_PuO = VS * RON/V_OL - RON
P_INV = VS^2/(R_PuI+RON)
P_AND = VS^2/(R_PuA +2*RON)
P_NOR = VS^2/(R_PuO+0.5*RON)

- anonymous

q3
1) 2
2) -1

- anonymous

q5
Here, VS=100V, R=1kΩ, and the transistor parameter f=1mAV3. The amplifier is biased with VIN=4V.
Vout = 36
Gain = -48

- Qaisersatti

Q No 3
Assuming that I=9A, what is the value of the voltage vo (in Volts)?
Now assuming that I=−3A, what is the value of the voltage vo (in Volts)?
Finally, for the last two parts assume that I=4A.
What is the value of the voltage vo (in Volts)?
What is the value of the voltage v1 (in Volts)?

- anonymous

Someone can write the equo of the Q3 of the exam?

- Qaisersatti

Q No 3
I =9amps
I=-3 Amps
and I=4 Amps

- anonymous

Solution for Q5:
Vout=Vs-(f*(Vgs^3))*R
Gain = -3*f*(Vgs^2)*R

- anonymous

I did Q1,Q2,Q4,Q5

- anonymous

Vin=42V, R1=4Ω, R2=4Ω, R3=7Ω, A=1.5 and B=0.125
i1 = 2.5
vOUT = 8.4
vTH = 8.4
RTH = 5.6

- anonymous

@EliteTUM, can you post the formula, how calculate Rth?

- anonymous

q(6)
vin = 18,
r1=1.5
r2=3
r3=4
A=1.5
B=0.5
What are the formulas/answers? thank you in advance

- anonymous

sorry guys, did not calculate Q6, I found the answers here in the forum!
Still working on the formulas!

- anonymous

somebody know how to calculate the Rth of Q6?
Vin=18V, R1=1.5Ω, R2=3Ω, R3=4Ω, A=1.5 and B=0.5.

- anonymous

aíí joao.. vc conseguiu o 3 e 5?

- anonymous

consegui sim

- anonymous

qual parte vc precisa ai?

- anonymous

as formulas.. eu to só com uma submition em cada um

- anonymous

No Q3 não consigo encontrar para I=2... :c
E a formula do Rth no Q6. De resto tenho o teste todo, obrigado.

- anonymous

Q5.
VS-iD*R
-3*f*((Vin)^2)*R

- anonymous

a Q3 eu tbm não tenho as formulas...

- anonymous

e só falta o Rth da Q6 para eu terminar

- anonymous

viajei mesmo.. na Q5.. Here, VS=90V, R=1kΩ, and the transistor parameter f=1mAV3. The amplifier is biased with VIN=3V. dá uma foça aí?

- anonymous

ok na primeira pergunta ele pede Vout.
Vout = Vs - iD*R = 90 - 1m*(3^3)*1k = 63.0

- anonymous

na segunda ele pede o ganho de amplificação.
Gain = -3*f*((vin)^2)*R = -3*1m*((3)^2)*1k = -27.0

- anonymous

valeuu.. eu achei uma thread aqui que fala do rth http://openstudy.com/study#/updates/50896d7de4b052419091958e

- anonymous

vou dar uma olhada

- anonymous

Vin=45V, R1=1.5Ω, R2=2Ω, R3=6Ω, A=2 and B=0.5
what is the RTH ?

- anonymous

u sure? for what values?

- anonymous

@1431mahi tell us the formula

- anonymous

Vin=45V, R1=1.5Ω, R2=2Ω, R3=6Ω, A=2 and B=0.5.

- anonymous

THANK YOU SO MUCH!! MIDTERM 100%

- anonymous

Screwed up on q3 last part. But got through with 97%. Ask me something. :)

- anonymous

Question 3:
When I = 9A ----> Vo = 2
When I = (-3A) ----> Vo = -1
For the next two answers I = 2A
Vo = 0.666667
Whats V1?

- anonymous

is that question 3 last bit answer: 1.33

- anonymous

Question 6: Vin=45V, R1=1.5Ω, R2=2Ω, R3=6Ω, A=2 and B=0.5
Whats i1?
vout?
vth?
rth? (rth might be 5 but not sure)

- anonymous

@ 1431mahi thanks for the help on both the questions

- anonymous

pls answer the q 1 for me The elements in this circuit have the following values: R1=200Ω, R2=200Ω, R3=200Ω, V1=3V, I1=2A and I2=2A
toooooooo summum

- Nurali

Question 1
Formula
vA = (R2*V1 + R3*V1 + I1*R1*R3 - I2*R1*R3)/(R1 + R2 + R3)
vB = (R3*(V1 + I1*R1 + I1*R2 - I2*R1 - I2*R2))/(R1 + R2 + R3)
P_R1 = (vA-V1)^2/R1
P_R2 = (vA-vB)^2/R2
P_R3 = vB^2/R3
P_V1 = V1 * (V1-vA)/R1
P_I1 = V1 * I1
P_I2 = V1* (-I2)

- anonymous

@Nurali In q1 how to find i1, i2 and i3.. plz help

- anonymous

@Nurali what were ur values...
mine are 1000, 400, 600, 6, .002

- anonymous

I need to know the Rth for the attachment draw pleazzzzzzzzzzzzzz

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