For a long time, a common and popular method to solve current convergence problem of microwave power transistor is using emitter ballasting resistor, such as PTC, CTR thermistor, passive devices etc.
长期以来，解决微波功率晶体管的电流集中问题的通用做法是使用发射极镇流电阻，以及PTC,CTR热敏电阻等无源器件。
The FCL is composed of a fast switch and a PTC resistor connected in parallel.
研究了基于一次电流转移的限流器方案，它由快速开关和PTC电阻并联组成。
A PTC resistor according to the present invention comprises at least one PTC composition which comprises at least one resin and at least two conductive materials.
根据本发明的PT C电阻器包括至少一种PTC成分，所述至少一种PTC成分包含至少一种树脂和至少两种导电材料。
The simple and feasible circuit component model for the PTC resistor was built, by which the practical PTC resistor is replaced to simulate directly in circuit simulation software.
对PTC电阻建立了一个简单可行的电路元件模型，将此元件模型代替实际的PTC电阻在电路仿真软件中直接进行仿真。
The PTC resistor may comprise a flame retardant agent.
所述PT C电阻器可包含阻燃剂。
The PTC resistor may comprise a liquid-resistant resin.
所述PTC电阻器可包含防液树脂。
Starting with ceramic PTC thermal sensitive resistor of semi-conductors, the temperature characteristics of the resistance of its thermal materials are discussed.
本文从半导体陶瓷PT C热敏电阻器入手，讨论了该热敏材料的电阻温度特性，给出了PT C热敏电阻器的测量结果和应用范围。
Starting with ceramic PTC thermal sensitive resistor of semi-conductors, the temperature characteristics of the resistance of its thermal materials are discussed.
本文从半导体陶瓷PT C热敏电阻器入手，讨论了该热敏材料的电阻温度特性，给出了PT C热敏电阻器的测量结果和应用范围。
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