To make accurate temperature measurements with thermocouples, the reference junction temperature must remain constant. If it varies, suitable compensation for these variations must be provided.
要用热电偶实现精确的温度测量,参考端温度必须保持恒定;如果会变化,必须提供这些变化的适当补偿。
When a transistor dissipates power on work, its junction temperature distribution is commonly non-uniform.
晶体管在耗散功率时,结温分布一般不均匀。
In the junction temperature measurements, we get reasonable curves and also confirm the accuracy of the system's measurements further.
在接面温度量测上,我们得到了合理的曲线,也进一步地确定系统量测的准确度。
A method for measuring and controlling the junction temperature of power transistor during succession operation life test is proposed.
为了在试验周期中了解晶体管的结温,提出一种在功率晶体管稳态工作寿命试验过程中结温的测量与控制方法。
PN junction temperature sensor is used. 16 temperature signs are acquired at the same time. Proceeded data can be indicated, printed or controlled.
系统选用PN结温度传感器,可同时测取16个温度信号,经数据处理后可实时显示、打印或控制。
Should there be an uncompensated variation in the reference junction temperature, there will be a corresponding change in millivolt with a resultant error in temperature measurement.
假如参考端温度的变化没被补偿,就会有相应的毫伏电压变化,结果会导致温度测量的误差。
This paper analyzes the failure mechanism of semiconductor P N junction temperature sensors and presents a new design to reduce the internal stresses and methods to improve the processes.
通过失效形式,分析了半导体P-N结温度传感器的失效机理,介绍了为降低内应力而进行的设计和工艺改进。
The maximum acceptable junction temperature is different for C and I grade devices. If it is higher than the max. acceptable temperature, you may consider adding a heatsink or cooling fan.
C和I级器件允许的最高接合温度不同。如果温度高于允许的最高值,可能需要增加散热片或风扇。
This paper presents a well water temperature monitor, and its use of PN junction temperature sensor as temperature components, integrated circuits used for ICL7126 and other A / D converter.
本文介绍一种井中水温监测仪,其采用PN结温度传感器作为感温元件,用集成电路ICL7126等作A/D转换器。
Transistor thermal spectrum, as a new method, different from the commonly infrared thermogram, is introduced to characterize the non-uniform property of the junction temperature distribution.
晶体管热谱是表示晶体管结温不均匀性的一种与热像图不同的新方法。
A method of thermocouple cold junction temperature real time compensation was introduced, which utilizes digital sensor to measure temperature, and micro-controller to process the temperature data.
介绍采用数字温度传感器进行冷端测温,微控制器进行计算处理,对热电偶温度实时修正的方法。
A method of thermocouple cold junction temperature real time compensation was introduced, which utilizes digital sensor to measure temperature, and micro-controller to process the temperature data.
介绍采用数字温度传感器进行冷端测温,微控制器进行计算处理,对热电偶温度实时修正的方法。
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