将发光器件和硅光电负阻器件面对面地封装在一起，其间实现电隔离，构成一种新型光耦合器。
A new type of photo isolator has been developed by packing light emitting devices with silicon photo negative resistance devices face to face to realize electrical isolation.
研究了一种利用耦合负阻法制作微波有源带通滤波器的方法。
A coupled negative resistance method for building the microwave active band-pass filters is described in this paper.
对负阻效应在实际几种元器件中的存在及特性进行了研究和证明，重点研究了利用运算放大器构成的负阻抗变换器的变换阻抗性质。
The existence and characteristics of dynatron effect in the components and parts of several apparatus have been studied and proved in this paper.
从变量约束关系出发分析了负阻元件存在的可能性及其物理性质，阐述了负阻元件与负阻抗变换器的关系及其应用。
In this paper, based on the characteristic of the impedance converter, some methods for its three-port network parameters are analyzed.
从变量约束关系出发分析了负阻元件存在的可能性及其物理性质，阐述了负阻元件与负阻抗变换器的关系及其应用。
In this paper, based on the characteristic of the impedance converter, some methods for its three-port network parameters are analyzed.
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