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Amplifier output stage using toroidal transformer

A toroidal transformer, output stage technology, applied in amplifiers, DC-coupled DC amplifiers, low-frequency amplifiers, etc., can solve problems such as reproducing input signals

Inactive Publication Date: 2019-09-17
REAL ANALOG LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although distortion has some interesting applications, a system with high distortion cannot be said to accurately reproduce the input signal

Method used

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  • Amplifier output stage using toroidal transformer
  • Amplifier output stage using toroidal transformer
  • Amplifier output stage using toroidal transformer

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Embodiment Construction

[0022] Embodiments of the disclosure are described herein. It should be understood, however, that the disclosed embodiments are examples only, and that other embodiments may take various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. As will be understood by those of ordinary skill in the art, various features shown and described with reference to any one of the Figures may be combined with features shown in one or more other Figures to create features not explicitly shown or described. Example. Combinations of features shown provide representative embodiments of typical applications. However, various combinations and modifications of the features ...

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Abstract

An audio amplifier includes an output stage including a first toroidal transformer with a first pair of secondary windings that are coupled in parallel across an output terminal. The output stage further includes a second toroidal transformer with a second pair of secondary windings that are connected in a series combination that is coupled across the output terminal.

Description

[0001] 【Technical field】 [0002] This application generally relates to output stages of audio amplifiers. [0003] 【Background technique】 [0004] Audio amplifiers are used to process low-level sound signals to provide an output suitable for speakers. There are various sources for low level sound signals. For example, low-level sound signals may be received from a radio receiver, instrument pickup, microphone, record album, magnetic tape, or compact disc (CD). Low-level audio signals may not be loud enough to be heard. A low-level sound signal can be input to the audio amplifier, and the audio amplifier can process the signal to generate an output signal suitable for speaker output. Audio amplifiers are used in most applications where it is necessary to drive speakers. [0005] Various criteria can be used to evaluate the performance of audio amplifiers. For example, audio amplifiers can be evaluated by their frequency response, gain and distortion. Distortion evaluates ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03F1/32H03F3/45H03F3/68
CPCH03F1/32H03F3/45H03F3/68H03F2200/03H03F3/181H03F3/22H03F2200/534H03F2201/3215
Inventor 鲁道夫·J·利特克
Owner REAL ANALOG LLC