What is amplifier in woofer?
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| Papers (10) | Insight |
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83 Citations | The result is a load-modulation power amplifier architecture able to perform an active, modulated match over an octave bandwidth. |
11 Citations | This research is instructive for comprehensively understanding the mechanism and making full use of the acoustic amplifier. |
01 Jun 1992 17 Citations | The amplifier is unique in its use of a source follower second stage, resistive feedback, and on-chip matching. |
78 Citations | It is also suitable for analyzing the amplifier in a system environment. |
| This amplifier can be included as a part of an integrated receiver that is valuable for array applications. | |
11 Jun 1998 45 Citations | It is the first reported silicon implementation of an amplifier using multipath feedforward compensation. |
14 Citations | It is, therefore, important that the amplifier used with the new loud speaker be designed to have ample capacity. |
27 Aug 2007 29 Citations | This scheme could also be used to characterize any amplifier class in an outphasing structure. |
21 Apr 1997 31 Citations | The nonlinear distortion which results when an amplifier is operated near saturation may preclude their use. |
64 Citations | This paper presents an overview of amplifier theory, and shows that many novel amplifier architectures are simply implementations of earlier theories which have been made possible by advances in process technology. |
Related Questions
Literature reviews on how does an amplifier works?3 answersAn amplifier is a device that increases the amplitude of an input signal to produce a larger output signal. Different types of amplifiers have been developed using various technologies such as Complementary to Metal Oxide Semiconductor (CMOS), Gallium Nitride Monolithic Microwave integrated circuit (GaN MMIC), Gallium Nitride high electron mobility transistor Doherty (GaN HEMT Doherty), Aluminum Gallium Nitride (AlGaN), high electron-mobility transistor (HEMT), Gallium Nitride Metal Semiconductor Field Effect Transistor (GaN MESFET), Silicon Carbide Metal Semiconductor Field Effect Transistor (SiC MESFET), BiCMOS, Metal Oxide Semiconductor (MOS), BiFET, and Gallium Arsenide Pseudomorphic (GaAsP) HEMT. These amplifiers have been used in various applications such as Global System for Mobile Communications (GSM), Enhanced data for global evolution (EDGE), successive approximation, analog-to-digital converter (ADC), flash analog-to-digital converter (ADC), comparator, voltage-controlled oscillator (VCO), and mixer circuits. However, existing literature on power amplifiers has identified several issues that need to be addressed. The amplifier structure typically consists of a voltage source, first amplifying unit, and second amplifying unit. The first amplifying unit amplifies the input signals to generate a first amplified signal, while the second amplifying unit amplifies the input signals to generate a second amplified signal. The output signal is then generated based on the first and second amplified signals. An amplifier also includes a biasing unit, amplifying unit, and Schmitt trigger. The biasing unit generates a bias current independent of the power supply to increase power supply rejection ratio. The amplifying unit receives an input voltage and generates an amplified voltage based on the biasing current. The Schmitt trigger generates and outputs a modified voltage. An amplifier circuit consists of a first series circuit, a second series circuit, and an amplifier stage. The first series circuit includes a current source, a first tap, and a first component configured as a diode. The second series circuit includes a controlled path between a first connection and a second connection of a first transistor and a second tap. The amplifier stage is coupled to the second tap to set the operating point of the amplifier stage.
Amplifier in audio system5 answersAudio amplifiers are devices used to increase the amplitude of an audio signal, thereby increasing its loudness when played through speakers. They are an essential component of sound systems and have evolved over time. Class D power amplifiers, such as those based on GaN devices, are becoming popular due to their high power efficiency and fidelity. The audion, developed in the early 20th century, was one of the first amplifiers used for radio signals. Recent advancements include the development of high-fidelity and high-efficiency digital class-D audio power amplifiers, which utilize closed-loop negative feedback and loop-filtering technologies to minimize distortion. Different audio amplifiers, such as LM386, LM358N, and LM3886, have been analyzed for their efficiency and power gain factor. Additionally, there have been efforts to control the power consumption and temperature generated by audio amplifiers using advanced control algorithms and integrated circuits.
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