Questions & Answers of Amplifiers - feedback and power

Question No. 22

In the ac equivalent circuit shown in the figure, if iin  is the input current and RF  is very large, the type of feedback is

Question No. 121

The feedback topology in the amplifier circuit ( the base bias circuit is not shown for simplicity) in the figure is

Question No. 221

The desirable characteristics of a transconductance amplifier are

Question No. 15

In a voltage-voltage feedback as shown below, which one of the following statements is TRUE if the gain k is increased?

 

 

Question No. 12

In a transconductance amplifier, it is desirable to have