Saturday, August 04, 2012

Power ampifier Class


Power Amplifier Classes


Class
A
B
C
AB
Conduction
Angle
360o
180o
Less than 90o
180 to 360o
Position of
the Q-point
Centre Point of
the Load Line
Exactly on the
X-axis
Below the
X-axis
In between the
X-axis and the
Centre Load Line
Overall
Efficiency
Poor, 25 to 30%
Better, 70 to 80%
Higher than 80%
Better than A
but less than B
50 to 70%
Signal
Distortion
None if Correctly
Biased
At the X-axis
Crossover Point
Large Amounts
Small Amounts










Hardwork Can Never Ever Fails...
Best Luck..

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