Unijunction Transistor
单结晶体管
 The characteristic curve for the UJT shows a negative resistance region. A common use of the device is to make a relaxation oscillator. UJT的特性曲线显示一个负电阻区域。该器件的常见用途是制作弛张振荡器。
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An n-type unijunction transistor (left symbol) is made by implanting a small p-type emitter probe in a bar of n-type silicon. The emitter probe is offset from the center of the bar and there are two bases as shown below. 一个N型单结晶体管（左符号）是通过将一小块P型发射极探针植入N型硅棒中制成的。发射极探针偏离棒的中心，如图所示，有两个基极。
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Electronics concepts
Transistor varieties
索引 电子学概念 晶体管类型
| HyperPhysics*****Electricity and magnetism
HyperPhysics ***** 电磁学 | R Nave |
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