Download 5 Problems with Solutions for Electric Circuits - Exam II | ECSE 2010 and more Exams Microelectronic Circuits in PDF only on Docsity! ECSE 2010 Name Solo NS ~
Electric Circuits Te istAns CA
Exam 2
Fall 2007 Section (please circle one)
10-12 12-2
Millard Zhang
Problem
Pts.
No. Score
1 10pts |
|
2 30pts
3 i5pts
4 | 30pts
5 15pts
Total | 100pts
Please Note:
* Place all your answers in the spaces provided.
* You MUST show your work to receive any credit.
* Assume ALL sources are turned ON at t=O, unless noted otherwise.
Problem 1 (10pts)
Find an expression for V(t) in the circuit shown for t 2 0 across the 500 ohm
resistor (assume the Op Amp’s supplies are appropriate).
10k
ee Le | te
P| Saree
a oe i 2 Sy,
a:
\C> elo =Ov Velotizay
Vg = 2udd —» Yor luc
me FE y= sy,
2h "3
OL”
t CAV Co =O Lh toe
i" VeCss}= -10V
bmn
O rou = Vouk
1 -
Votlot)=-lO - Vi Cot)= -1OV
Vout (ss) —> —10-Vilssy= -lo-CioJ=Ov
CH RE= S0d-2nF = [mS
Vest Fy = Vootlss) + C Vook(or)
= -1007 Wns
|
vy | -102e,
Problem 3 (15pts)
Find the values of the circuit's components (L, R, and C) in circuit shown below,
given the corresponding plots that result from the voltage markers.
somnit
7
Problem 3 (cont)
1 Ae a
TOPEN = 20
R lL
ayy een 2
«
opan>
|
AM _
ok
mk
Be OT pg
TOLOSE = 25me c MN.
0.
Problem 4 (30pts)
Given the following circuit with the output taken across the capacitor:
DPT Nyy pac
TeLoseso 3
o®
Qa 7
4
a
=
S
a.) Find Vou:(s) for the circuit shown above. (10pts)
£606 e-5 Ww=CA Yzysizoy
| 112 2s
[zg] 2+e7seI3) f=
[| 5
IG
Vs) Coa ny
4 (NT
AS Agsvae too 6.)
ens
Problem 5 (10pts) use ics!”
a.) Assuming there is no stored energy in the L or C prior to t=0, find Vour(t)
(across the capacitor) in the circuit shown at: t = .1s (Spts)
[OL OSE 2.18
12 tren
PT
fool ots
Vout = 2OY @ts ose
whet cleovt
for) ond Ydo- v3
Volo. JeVyah (Co. Se Zev
Ho-20 _ 2.
TO 20V
Url. =
use for one po
WwW
Problem 5 (cont)
b.) Find Vous) and the response type (over, critically, or under) in the circuit
shown below for t > .1s (1Opts)
qd
Extra space (if needed) Name
yd Veak= EF Vat
— —— +
Seay, Le
Voor (+
Sco
G20
(00 Vou — FS - 2 . s Voor — 20
: s 5ea
s*Vouk - 20s 5 SO Vout
: eee
StOs SOO Ss
SBEC8© _(o00~- 20s =O
SOOO Vout + SOs Vout + s* Vout ~
Vout (524 Smo # SOOGO = Pos +1000 + sacs
Vor ety Soe + SOCO0) = (20 67+ (600s + SOOOCO YS
2037410008 + 500000
Vout = ae
<(S%@4503 + 50000)
ole + Sas+ 2E080)
Vout =
DC Sread connpenent roots Cfor notural responses.)
Slo S28 imaginary
4 ,
vaderdow Al
>
19
