An output signal of a power amplifier has amplitudes of 2.5 V fundamen – McqOptions

MCQOPTIONS

1.	An output signal of a power amplifier has amplitudes of 2.5 V fundamental, 0.25 V second harmonic and 0.1 V third harmonic. The total percentage harmonic distortion of the signal is
A.	12.8%
B.	10.8%
C.	6.4%
D.	1.4%
Answer» C. 6.4%

Discussion

No Comment Found

Related MCQs

In class A operation of an amplifier the current flows through the active device for
A transformer coupled class A amplifier drives a 16 Ohm loud speaker through 4 : 1 transformer with Vcc = 36 V. If the circuit delivers 2 Watts to load, the rms voltage across the load assuming transformer efficiency as 100% is
In an amplifier, the output current flows for 200° of input cycle. The class of operation of the amplifier is
Class C amplifier operates
High power amplification is achieved by the use of
In a cell phone, a power amplifier delivering 1 W to the antenna may pull several watts from the battery. If the power conversion efficiency is 30%, then the above cellphone translates to a power drain of:
In the circuit shown below, the maximum power dissipated by Rs if input varies from 15 V to 20 V (assuming Zener diode used is 10 V, 2W) is?
For a class-A FET power amplifier with 10 V drain supply and 2 A drain current bias providing RF load current of 1 A amplitude. What is the DC to RF efficiency for load resistance of 5 Ω?
In class B amplifier, the output current flows for
Consider the following circuits:1. Oscillator2. Emitter follower3. Power amplifierWhich of the above circuits employ feedback?