Term
| For maximum power transfer between circuits, what impedance relationship should there be between the two circuits? |
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Definition
| The output impedance of circuit number one should be equal to the input impedance of circuit number two |
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Term
| What component in a transistor amplifier circuit tends to limit the low frequency response of the amplifier? |
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Definition
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Term
| What type of amplifier has both high and low frequency response limitations? |
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Definition
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Term
| What is the most common form of coupling? |
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Definition
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Term
| What is the maximum number of possible inputs in a differential amplifier? |
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Definition
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Term
| Describe the basic operating principle of a magnetic amplifier. |
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Definition
| The changing inductance can be used to control the current load |
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Term
| What happens to inductive reactance as frequency increases? |
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Definition
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Term
| What type of coupling is usually used to couple the output power from an amplifier? |
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Definition
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Term
| What type of feedback is usually caused by the base-to-collector interelectrode capacitance? |
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Definition
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Term
| Why are amplifiers used in electronic devices? |
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Definition
| To provide signals of usable amplitude |
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Term
| What is the maximum number of possible outputs in a differential amplifier? |
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Definition
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Term
| What limits the frequency response of a transistor amplifier? |
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Definition
| The inductor, the transistor, and the capcitance. (All of the above) |
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Term
| The control of an output signal by an input signal resulting in the output power having some or all of the characteristics of the input signal is know as what? |
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Definition
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Term
| A toroidial core is used in a saturable core reactor to counteract what effect? |
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Definition
| The effect of load flux on control flux |
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Term
| What is the affect on the gain of an amplifier is the output-signal-developing impedance is increased? |
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Definition
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Term
| What is the affect on the gain of an amplifier is the input-signal-developing impedance is decreased? |
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Definition
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Term
| What type of feedback is caused by interelectrode capacitance? |
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Definition
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Term
| What is the major factor that limits the high frequency response of an amplifier? |
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Definition
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Term
| What transistor configuration should be used to match a high output impedance to a low input impedance? |
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Definition
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Term
| What type of feedback signal is provided if the feedback signal is out of phase with the input signal? |
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Definition
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Term
| For maximum current at the input of a circuit, what should be the relationship of the output impedance to the input impedance of the previous stage? |
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Definition
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Term
| What method provides the highest band pass in an rf amplifier? |
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Definition
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Term
| What is the input and output impedance in a common base transistor configuration? |
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Definition
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Term
| Most amplifiers can be classified in what ways? |
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Definition
| Function and frequency response |
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Term
| A magnetic amplifier should be operated on what portion of the magnetization curve? |
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Definition
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Term
| A magnetic amplifier is classified as what type of amplifier? |
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Definition
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Term
| Why is a rectifier used in a magnetic amplifier? |
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Definition
| To eliminate hysteresis loss |
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Term
| What methods can be used to tune an LRC frequency determining network to a different frequency? |
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Definition
| Vary the capacitance and vary the inductance (Both 1 and 2 above) |
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Term
| To provide good fidelity output signals, what classes of operation CANNOT be used by a push pull amplifier? |
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Definition
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Term
| What happens to the true power in a series LR circuit if the inductance is decreased? |
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Definition
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Term
| What is the advantage of a push pull amplifier as compared to a single transistor amplifier? |
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Definition
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Term
| What is the most common form of coupling for an rf amplifier? |
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Definition
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Term
| What type of network can be used as a frequency determining network for an rf amplifier? |
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Definition
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Term
| What are the inputs and outputs of a phase splitter? |
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Definition
| Input: One signal, Output: Two signals out of phase |
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Term
| Describe the relationship of input signals to output signals in an amplifier. |
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Definition
| The input signal remains unchanged and the output signal is controlled by the input signal |
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