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Resonance circuit

A resonant circuit and resistor technology, applied in the circuit field, can solve the problems of high cost, single function, and many electronic components, and achieve the effect of fewer electronic components, low cost, and simple circuit structure

Inactive Publication Date: 2018-11-13
张忠远
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, most of the resonant circuits have complex structures, many electronic components used, single functions, and high cost

Method used

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  • Resonance circuit

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Embodiment Construction

[0009] Such as figure 1 As shown, a resonant circuit includes: a first operational amplifier Q1, a second operational amplifier Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first capacitor C1, a second capacitor C2, the third capacitor C3 and the fourth capacitor C4; the inverting input terminal of the first operational amplifier Q1 is directly connected to the output terminal of the first operational amplifier Q1; the second resistor R2 is connected in series with the second capacitor C2, and one end is directly grounded, The other end is connected to the inverting input end of the first operational amplifier Q1; one end of the first capacitor C1 is connected between the second capacitor C2 and the second resistor R2, and the other end is connected to the non-inverting input end of the first operational amplifier Q1, One end of the first resistor R1 is connected between the first capacitor C1 and the non-inverting input terminal ...

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Abstract

The invention discloses a resonance circuit, comprising a first operational amplifier Q1, a second operational amplifier Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4. The resonance circuit has the beneficial effects that the circuit is simple in structure and isrelatively low in cost, and employed electronic components are few.

Description

technical field [0001] The invention relates to the technical field of circuits, in particular to a resonant circuit. Background technique [0002] In the prior art, most of the resonant circuits have complicated structures, many electronic components are used, single functions, and high cost. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a resonant circuit with simple circuit structure, low cost and fewer electronic components. [0004] In order to solve the above technical problems, the present invention provides a resonant circuit, comprising: a first operational amplifier Q1, a second operational amplifier Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first Capacitor C1, second capacitor C2, third capacitor C3 and fourth capacitor C4; the inverting input terminal of the first operational amplifier Q1 is directly connected to the output terminal of the first ope...

Claims

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Application Information

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IPC IPC(8): H03H7/01
CPCH03H7/0115
Inventor 张忠远
Owner 张忠远