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Details

Analog
Push-Pull Amplifiers
13
Engineering
Professional
10/15/2008

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Cards

Term
Components of a push-pull amplifier?
Definition
2 transistors, biased to class B, accurately transfer input power to load with best efficiency.
Term
4 Characteristics of a push-pull amplifier?
Definition
Low distortion, High current gain, low output impedance, high efficiency.
Term
Two variations of a push-pull amplifier?
Definition
Common Emitter (also known as a Standard), Common Collector (also known as a Complimentary Symmetry).
Term
The Common Emitter Push-Pull is the only type to use ________ and have an output which is __________.
Definition
Transformers, 180 degrees out of phase.
Term
Disadvantage of a Common Emitter Push-Pull amplifier?
Definition
Large and expensive to construct.
Term
In a Common Emitter Push-Pull, what can be matched exactly with your transformer to give the best power transfer?
Definition
Outputs
Term
Components of a Common Emitter Push-Pull Amplifier?
Definition
2 NPN Transitors, 2 center tapped Transformers.
Term
________ is the most commonly used push-pull amplifier.
Definition
Common Collector or Complimentary Symmetry.
Term
Components of a Common Collector Push-Pull Amplifier?
Definition
One NPN and One PNP Transistor
Term
In a Common Collector Push-Pull, ________ are complimentary and ________ are symmetrical.
Definition
Transistors / Resistors
Term
To overcome cross over distortion, a ______ is used.
Definition
Class B Amplifier (overcome by the biasing)
Term
_________ is caused by both transistors being in cutoff at the same time.
Definition
Crossover Distortion
Term
What is ideal because it avoids crossover distortions and provides max efficiency?
Definition
Class B operation
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