anyone who has started Homework 12....

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- Qaisersatti

anyone who has started Homework 12....

- schrodinger

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- anonymous

At the moment)
H12P1
A) Just V/i
b) first find R2 = VS / i
second the anwser is R = R2 - R1 (R1 is the awnser in a)
c) I'm Trying
LAB12
R1 (in Ohms):
1k
C1 (in Farads):
1.59n
R2 (in Ohms):
100k
C2 (in Farads):
1.59n

- anonymous

Jose.oliveira2
R1 (in Ohms):
1k
C1 (in Farads):
1.59n
R2 (in Ohms):
100k
C2 (in Farads):
1.59n
These don't work can u upload the pic of ur op-amp

- anonymous

R1=10
R2=2490
C1=0.0000001
C2=0.0000001

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## More answers

- anonymous

H12P3
a) ?
b) ?
c) 20000
d) 0.82u
e) 390p
f) ?
g) ?
h) 0.82u
i) 390p
j) ?

- Qaisersatti

Our specification is that we want there to be two break frequencies for this filter: 10Hz and 17kHz. We also want midband frequencies, such as signals around 1kHz, to be amplified by about a factor of 2.
We have available a 1.8μF and a 220pF capacitor. We also have a variety of resistors between 100Ω and 100kΩ. However, our op amp really likes RS=20kΩ.
Your job is to fill in the remaining details of this design.
Q No 3 answers

- anonymous

HWP3 - first 5
filter: 10Hz and 19kHz. signals around 1kHz, to be amplified by about a factor of 2.
0.68μF and a 390pF capacitor. resistors between 100Ω and 100kΩ. RS=20kΩ.
1) First find C1=0.68*10^-6 = 6.8e-7 (answer of part 4)
Then R1*C1=1/(2*pi*f)
R1*C1=1/(2*pi*10)
so R1= 23417
2)First find C2=390*10^-12 = 3.9e-10 (answer of part 5)
R2*C2=1/(2*pi*19*10^3)
R2= 21489
3) Rs = Rf = 20kΩ = 2000 Ω

- anonymous

Remaining answers HWP3
part 6 : R3= R1
part 7 : R4= R2
part 8: c3=c1
part 9 : c4= c2
part 9 :Midband gain = -(R4/R3)

- anonymous

some one asked me the value of pi. its always 3.14 buddy!

- anonymous

H12 P1
c) Q: v=5v A=100, load resistance =500
Solve two equations to find value of vx
vx/R=(vOut–vx)/500,with R=answer from Part1.
vx=5–vOut/100
Solving two equations we get Vx
Current = Vx / R

- anonymous

@machu I did not undesrtand the c part of H12P1.
I have these values:
i=6mA
A=100
R=833.333333333
VS=20V
RL=500Ω

- Qaisersatti

what is ur value of v=?

- anonymous

v=5V

- Qaisersatti

ok wait

- Qaisersatti

what is the value of R in u r part 1

- anonymous

833.333333333

- Qaisersatti

ok then do this
1.6vx-vout=0 is your first equation
100vx+ vout=500 is your second equation
add both will give u
vx= 4.92 v
i= 4.92/R=4.92/833.333= 0.005905512 this will be your answer
please check yourself too.. tc and if correct click the best choice:) bye

- anonymous

worked.. tks, bro

- anonymous

I didn't do the H12P2.. did you already do?

- anonymous

H12P2
a) vin*(R1+R2)/2
b) vz*(R1+R2)/2
c?
d?
e?
f?
Have many problems with check. (BUG IN SYSTEM)

- anonymous

any one help H12P3 last question.................

- anonymous

use d formula above given by machu or gimme ur question
:)

- anonymous

any one did lab 12 please help
how to calculate R1 C1 R2 C2

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