Automatic calibration programmable instrumentation amplifier for sensor signal processing

A technology for instrumentation amplifiers and sensor signals, applied in the field of automatic calibration of programmable instrumentation amplifiers for sensor signal processing, can solve problems such as poor use of instrumentation amplifiers and poor user experience

Pending Publication Date: 2021-05-28
龙强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a sensor signal processing automatic calibration programmable instrumentation amp

Method used

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  • Automatic calibration programmable instrumentation amplifier for sensor signal processing
  • Automatic calibration programmable instrumentation amplifier for sensor signal processing
  • Automatic calibration programmable instrumentation amplifier for sensor signal processing

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Embodiment Construction

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0019] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention discloses an automatic calibration programmable instrumentation amplifier for sensor signal processing. A multiplexer T1, a multiplexer T2, a multiplexer T3, a multiplexer T4, an automatic calibration amplifier A1, an automatic calibration amplifier A2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, an instrument amplifier A3, an output amplifier A4, an output amplifier A5, an AB-class amplifier A6, an AB-class amplifier A7 and an amplifier A8 are matched and connected with one another, so that the sensitivity of the sensor can be effectively improved; and the non-ideal characteristic of the sensor and the imbalance, range and drift of the sensor are eliminated, the instrumentation amplifier which is capable of automatic calibration, low in noise, low in linear error, low in imbalance drift and programmable in gain is manufactured, the use effect of the sensor signal processing automatic calibration programmable instrumentation amplifier is better, and the user experience feeling is better.

Description

technical field [0001] The invention relates to the technical field of instrumentation amplifiers, in particular to a sensor signal processing automatic calibration programmable instrumentation amplifier. Background technique [0002] After years of development, the performance of the instrumentation amplifier has been greatly improved, and the structure is also varied, forming a variety of instrumentation amplifiers for different applications. Initially, instrumentation amplifiers were mainly constructed of discrete components such as operational amplifiers and discrete resistors, but the existing instrumentation amplifiers are not effective and the user experience is poor. Contents of the invention [0003] The purpose of the present invention is to provide a sensor signal processing automatic calibration programmable instrumentation amplifier, aiming to solve the technical problems of poor use effect and poor user experience of the instrumentation amplifier in the prior...

Claims

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Application Information

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IPC IPC(8): H03G3/02
CPCH03G3/02
Inventor 龙强韩业奇张德权
Owner 龙强
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