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10 Cards in this Set
- Front
- Back
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What type of amplifier would be used to amplify the signal from a radio antenna?
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An rf voltage amplifier.
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What are the four classes of operation of a transistor amplifier?
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A, AB, B, C.
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What class of operation has the highest fidelity?
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Class A operation.
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What is the purpose of an amplifier-coupling network?
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To transfer energy (a signal) from one stage to another.
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What is the most common form of coupling?
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RC coupling
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What type of coupling is most effective at high frequencies?
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Impedance coupling
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If maximum current is desired at the input to a circuit, should the input impedance of that circuit be lower than, equal to, or higher than the output impedance of the previous stage?
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Lower than
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What type of coupling is most useful for impedance matching?
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Transformer coupling
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What happens to capacitive reactance as frequency increases?
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It decreases
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What happens to inductive reactance as frequency increases?
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It increases
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