Floating negative resistance value resistor equivalent circuit

An equivalent circuit, negative resistance technology, applied in the field of effective circuits, to achieve the effect of convenient calculation

Pending Publication Date: 2020-08-18
CHENGDU NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a floating negative resistance resistance equivalent circuit to solve the problem that one end of the existing negative resistance resistance equivalent circuit needs to be grounded

Method used

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  • Floating negative resistance value resistor equivalent circuit
  • Floating negative resistance value resistor equivalent circuit
  • Floating negative resistance value resistor equivalent circuit

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Embodiment Construction

[0011] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0012] Such as figure 1 As shown, the equivalent circuit of floating negative resistance resistance includes differential amplifier circuit, same-phase proportional amplifier circuit, same-phase proportional voltage-current conversion circuit, reverse proportional voltage-current conversion circuit and resistor R x ; The differential amplifier circuit includes a current transmitter U 1 , current transmitter U 4 , resistance R 1 and resistor R 2 , the input port a and the current transmitter U 1 The y pin is connected to the input port b with the current transmitter U 4 The y pin is connected to the current conveyor U 1 x pin with resistor R 1 Connected at one end, the resistor R 1 The other end of the curren...

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Abstract

The invention discloses a floating negative resistance value resistor equivalent circuit which comprises a differential amplification circuit, an in-phase proportional amplification circuit, an in-phase proportional voltage and current conversion circuit and a reverse proportional voltage and current conversion circuit. The problem that one end of an existing negative resistance equivalent circuitneeds to be grounded is solved. The electrical characteristics of the ports a and b of the circuit are equivalent to the characteristics of a negative resistance resistor, and the ports a and b are not required to be grounded when the circuit is used, so that the circuit can be widely applied to various circuit design occasions needing the negative resistance resistor.

Description

technical field [0001] The patent of the present invention relates to the field of equivalent circuit design, in particular to the equivalent circuit of floating negative resistance resistance. Background technique [0002] A negative resistance resistor is a resistor with a negative resistance value. It is an active component, and its volt-ampere characteristic curve is in the second and fourth quadrants. There are no commercially available negative-value resistor units in engineering like positive resistors. At present, the electrical characteristics of the negative resistance resistor are realized by the equivalent circuit of the negative resistance resistor, and the equivalent circuit of the negative resistance resistor is applied to the circuit design as the negative resistance resistor. However, the current equivalent circuit of a negative resistance resistor is composed of an operational amplifier and a resistor, and needs to be grounded at one end, which limits the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/00H03F3/45
CPCH03F3/45H03K19/00
Inventor 余波
Owner CHENGDU NORMAL UNIV
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