LINEAR INTEGRATED CIRCUITS1

In pratical application of current mirror early voltage is assumed to be

• a)Infinite

• b)Zero

• c)Unity

• d)None of the mentioned

2)A widlar current source is used

• a)to get a low value of current

• b)to get high value of CMRR

• C)to get a low value of gain

• d)to get high value of output

3)A differential amplifier amplifies

• a)input signal with higher voltage

• b)input voltage with smaller voltage

• c)sum of the input voltage

• d)none of the mentioned

4)Which current source exhibits a very high output current

• a)simple current mirror

• b)wilson current source

• c)wildar current source

• d)all of the mentioned

5)To determine the early voltage, output resistance is 2.5x2kohm and input current is 2mA

• a)9.8v

• b)5.6v

• c)7.8v

• d)10v