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Unformatted text preview: EET 107
Test #2 3 pages Name ___________________________________
SSN ____________________ Div ____ Seat __________ READ ME !! REALLY DO IT !! QUESTIONS ??
* Ix = formula with values = answer boxed (must use homework standard for credit)
* Problems requiring calculations:
no work or improper format ç “O” POINTS !!
* Clear, organized problem development required.
If no work is required, place answers on blank lines provided ______________(no work required).
Put values on your schematic as you find them. Show node voltages in ovals
Answers and work must have correct engineering prefixes and units. Rnominal ___________ ± ___% 1.(2) Resistor color code: Brown, Black, Orange, Gold 2.(4) Find current Ix.
2A 5A * Ix =
IX 3.(12) Find each current I1, I2, I3 and I4.
I1 I2 20 mA 3 mA
I3 7 mA E
I4 I1 _____________
* I2 =
* I3 =
* I4 = 4.(12) Find Iin, IRf and Iout op amp.
M1 IR1 R1 IRf Rf voice
guitar IR2 R2
30 mA Iin
Iout op amp b
− Esupply * Iin =
Iout op amp _____________ EET 107 -2- Test 2 - Fall 2000 5.(25) Find and fill in all of the node voltages. Find VR and Vbd.
+3V - Draw the bubble notation schematic. a b +
− 3V + * Vb =
* Vc =
* Vd = * VR =
* Vbd =
6.(15) Find and fill in node voltages VE, VB, and VC. Find the component voltages VR and VCE.
R * VE =
* VB =
* VC =
* VR =
* VCE − 8V 20 V V
+0 + VR − b e
− EET 107 -3- Test 2 - Fall 2000 7.(10) A 10kΩ resistor is rated at a quarter watt. What is the maximum current that can safely
flow through it? Show your work in homework format and box your answer. 8.(25) Find each of the indicated values.
in 0A guitar +
− 1k Va _____________
VRi _____________ * IRf =
* VRf =
* VOUT =
* Vload =
* Iload =
* Iout op amp =
* Pload = Iout op amp
Iload − Esupply
Rf 10 k a * IRi = +Esupply − VRf + IRf +
10 k ...
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This note was uploaded on 02/22/2012 for the course ECET 107 taught by Professor Staff during the Fall '08 term at Purdue.
- Fall '08