How to identify common source amplifier?

List the elements included in the total input resistance of a common-collector amplifier. What is the phase relationship of the input and output voltages of a CE(common emitter) and CC(common collector) amplifier? 0 T-fo TE

write down 5 of the characteristic features of ideal operational amplifiers.

Why do we need 3 types of cascaded amplifiers?

Can someone please help

1. By using re model, draw the a.c. equalent circuit for the transistor amplifier shown in figure 1 Figure 1 i. ii. iii. iv. "Î Figure 2 R₁ C₁ V₁ R₂ 2. By using equalent circuit mention in 'part 1'. Write the mathematical expressions for followings, www m input impedence of the amplifier output impedance of the amplifier voltage gain of the amplifier current gain of the amplifier 3. By using h-parameter model, draw the a.c. equalent circuit for the transistor amplifier shown in figure 2. Assume that hre= high (∞), hoe = 0 and the rectance of capacitors C₁, C₂ and C3 is zero. Vcc Rc R₁ C₁ VBE RE R₂ +₁. Vcc Rc RE: C₂ C₂ Vo Vo R₁ R₂ Rc RE hie hfe = 38 ΚΩ = 10 ΚΩ = 4.7 ΚΩ = 2.2 kΩ = 1kΩ = 50

Draw the block diagram of of typical Operational Amplifier.

4. In a power transistor, when the maximum power dissipation takes place? 5. List out the different types of distortions? 6. Define Harmonic distortion?

What is large signal amplifier and small signal amplifier?

Show that series-Fed Class A Amplifier Efficiency is 25%?