thevenin’s equivalent · to appear in quiz method 1: apply kirchoff’s law method 2: use r th =...

V in V out = I R 1 R 2 R 1 = V in R 1 + R 2 R 1 Recap: Voltage divider V th R th Thevenin’s equivalent R load How to avoid voltage droop?

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Page 1: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Vin

Vout = I R1

R1= Vin

R1 + R2

Recap:

Voltage divider

Vth

Rth

Thevenin’s equivalent

Rload

How to avoid voltage droop?

To appear in Quiz

Method 1: apply kirchoff’s law

Method 2: use Rth = Vth/Is

Is is the short circuit current.

When we short the output to ground,

what is the current through R4?

Page 3: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 4: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Q = CV

I = C dV/dt

Page 5: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 6: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 7: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 8: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

zz1tan

Zc = 1/j C ZL = j L ZR = R

Page 9: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 10: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 11: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 12: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 13: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

Page 14: Thevenin’s equivalent · To appear in Quiz Method 1: apply kirchoff’s law Method 2: use R th = V th /I s I s is the short circuit current. When we short the output to ground,

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