ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY

#### Videos

Textbook Question
Chapter 4, Problem 4.1P

Find the voltage gain v O / v S and current gain i O / i x in Figure P4-1 for r = 10 .

To determine

Voltage gain vovs and current gain ioix .

The values are

vovs=16ioix=4

### Explanation of Solution

Given:

r=10 kΩ

Calculation:

Apply KVL to the first loop,

vs(100+400)ix=0                        vs=500ix  (1)

Apply KVL to the second loop,

rix+(2000+500)io=0                           rix=2500io                           ioix=r2500                                =100002500                                =4

But vo=2000io  (2)

Divide equation (2) by equation (1).

vovs=2000io500ix=2000500×4=16

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