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An Amplifier Circuit with Three-stage Amplifying Structure

An amplifier circuit and three-stage amplification technology, which is applied in the field of data processing, can solve problems such as not being suitable for high-speed applications, and achieve the effect of ingenious design and improved conversion rate

Active Publication Date: 2018-05-08
SUZHOU INST OF TRADE & COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In fast A / D and D / A converters and video amplifiers, the slew rate SR of the integrated operational amplifier must be high, and the unity gain bandwidth BWG must be large enough. General-purpose integrated operational amplifiers are not suitable for high-speed applications. Occasionally

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  • An Amplifier Circuit with Three-stage Amplifying Structure

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Embodiment Construction

[0019] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings, in which from the beginning

[0020] The same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0021] Those skilled in the art can understand that the relevant modules involved in the present invention and the functions realized are carried out on the improved hardware and the device, device or system formed by it, by carrying conventional computer software programs in the prior art or The relevant agreement can be realized, and it is not an improvement on the computer software program or the relevant agreement in the prior art. For example, an improved computer hardware system can still re...

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Abstract

The invention discloses an amplifier circuit with a three-stage amplification structure, comprising a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, and a second capacitor , the third capacitor, the fourth capacitor, the fifth capacitor, the sixth capacitor, the seventh capacitor, the first diode, the first triode, the second triode, and the third triode. The invention provides an amplifier circuit with a three-stage amplification structure, and a triple amplification structure is designed to significantly increase the conversion rate of the amplifier. The design is ingenious and worthy of popularization.

Description

technical field [0001] The invention discloses an amplifier circuit with a three-stage amplification structure and relates to the technical field of data processing. Background technique [0002] An operational amplifier (op amp for short) is a circuit unit with a very high magnification. In actual circuits, some kind of functional module is usually combined with a feedback network. It is an amplifier with a special coupling circuit and feedback. Its output signal can be the result of mathematical operations such as addition, subtraction, or differentiation and integration of the input signal. Because it was used in analog computers in the early days to realize mathematical operations, it was named "operational amplifier". An operational amplifier is a circuit unit named from a functional point of view, which can be realized by a discrete device or in a semiconductor chip. With the development of semiconductor technology, most operational amplifiers exist in the form of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03F1/02
Inventor 陈志峰
Owner SUZHOU INST OF TRADE & COMMERCE