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| Which current relationship is the ratio of base to collector current? |
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| A linear representation of the current relationship in a transistor is called a ______? |
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| Which class of amplifiers maintains an output that never reaches cutoff or saturation? |
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| How true the output signal is compared to the input signal is known as? |
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| Class ____ amplifiers provide better efficiency than Class A but have poor fidelity. |
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| What component can be added to amplifier circuits to add resistance in the emitter leg which will decrease the gain of the transistor? |
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| ______ and _______ determine if normal operation of a transistor is occurring. |
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| Gain and Class of Operation |
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| The process of increasing the strength of a signal is known as? |
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| _____, ______, and _____ signals can all be amplified. |
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| Current, Voltage, and Power. |
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| The four classes of operation are...? |
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| Class A, Class AB, Class B, and Class C |
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| Which class of operation is ideal for audio amplifiers? |
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| Which amplifier class is biased at cutoff? |
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| The amount of wok that has to be performed for a desired output is known as...? |
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| _______ determines how the output signal will be amplified through a transistor used as an amplifier? |
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Definition
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| Which current relationship is the ratio of base to emitter current? |
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Definition
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| Which type of biasing is used for amplification, is very stable, but uses two power supplies? |
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| Current gain is always determined by the ______ over the input, determining how much the signal has increased? |
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| ______ is defined as having a base bias less than cutoff? |
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| Which class of amplifier provides an output which is exactly half of the input signal? |
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| Class ______ amplifiers provide high power efficiency but poor fidelity? |
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| When ____ is less than ____, current increases. |
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Definition
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| Which current relationship is the ratio of collector to emitter current? |
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Definition
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| When a coupling capacitor is exposed to high frequency it acts like a(n)? |
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Definition
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| What are the four types of biasing circuits? |
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Definition
| Fixed or base biasing, self biasing, emitter biasing, and combination biasing. |
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| What type of biasing circuitry reduces amplification? |
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Definition
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| When a coupling capacitor is exposed to low frequency it acts like a(n)? |
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| Class A operation provides ______ fidelity and _______ distortion? |
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Definition
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| Which biasing circuitry maintains a constant output throughout rapid signal variations and is the most common? |
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| Which class of amplifiers has a base bias less than cut-off? |
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Definition
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| Which type of biasing is very stable but uses two power supplies? |
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Definition
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| In this class of operation the transistor will spend more than 50% but less than 100% of the time conducting current? |
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| What type of biasing circuit uses the transistor as a switch and either enables or disables a signal? |
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| Which biasing circuitry is primarily used as a switch either enabling or disabling a signal? |
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| What type of biasing provides long term and thermal stability, is highly unstable, is used for amplification, and is the most common biasing circuitry? |
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| Which class of operation places the transistor in active mode 100% of the time? |
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| What are the three types of common amplifiers? |
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Definition
| Common Base, Common Emitter, Common Collector |
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| Which class of amplifiers is ideal for subwoofers? |
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| ______ passes the effects of AC and blocks DC? |
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Definition
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| When ______ is greater than ______, voltage increases? |
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| What type of common amplifier will produce an output with a 180 degree phase shift from the input? |
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| ______ _______ keep AC off of the emitter leg? |
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| Low frequency in a ____ will reduce gain. |
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| A common ______ amplifier will produce a 180 degree phase shift from the input to the output? |
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Definition
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| Too high a frequency in a ______ will reduce gain? |
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Definition
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| 3 characteristics of a Common Emitter amplifier? |
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| Power Amplifier, medium input and output impedance, 180 degree phase shift. |
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| When Source = Load, ______ ______ transfer occurs. |
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