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An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude (magnitude of the voltage or current) of a signal applied to its input terminals…
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amplifiers output power signal used input gain feedback voltage use frequency current negative circuit audio distortion transistors may device devices
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Amplifier | is a | electrical two-port network that produces a signal at the output port that is a replica of the signal applied to the input port | 0.90 | text |
| Amplifier | is a | amplifier designed primarily to increase the power available to a load | 0.90 | text |
| Amplifier | is a | last 'amplifier' or actual circuit in a signal chain | 0.90 | text |
| Amplifier | is a | amplifier circuit which typically has very high open loop gain and differential inputs | 0.90 | text |
| Amplifier | is a | type of regenerative amplifier that can use the feedback between the transistor's source and gate to transform a capacitive impedance on the transistor's source to a negative re… | 0.90 | text |
| Amplifier | is a | imperfect realization of an ideal amplifier | 0.90 | text |
| Amplifier | part of | the output is fed back and added to the input in the opposite phase | 0.85 | text |
| the magnetic amplifier | instance of | other than specialized power devices | 0.80 | text |
| amplidyne | instance of | other than specialized power devices | 0.80 | text |
| for 40 years | instance of | other than specialized power devices | 0.80 | text |
| the Class-D amplifier | instance of | resulting in devices | 0.80 | text |
| transistors | instance of | such as inherent capacitance between input and output of devices | 0.80 | text |
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