Ivan Vikulin, Lidiya Vikulina, Pavlo Markolenko, Oleksandr Nazarenko
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引用次数: 0
摘要
摘要 本文通过实验研究了外部磁场对平面硅光闸管电流-电压特性的影响。实验表明，磁感应强度为 0.4 T 的单极性磁场会导致分断电压 UB 下降，并在电流为 8 mA 时导致 LED 发光。而相反极性的磁场则可以提高 UB。这里有 UB 与磁场关系的计算公式。将注入电荷载流子重组率高的区域置于基极电极的反面，可以提高磁灵敏度。利用光和磁场对晶闸管 UB 进行双重无接触控制，可以从根本上提高其功能的可能性。由于晶闸管只能通过光发射来开启，因此也可以通过磁场影响来关闭。研究表明，现有的工业光耦合器可用作光控光器，利用光发射和磁场进行控制，而磁控晶闸管则可用作简单的开关。
In this paper an impact of external magnetic field on current-voltage characteristics of a planar silicon photothyristor is researched experimentally. It is shown that magnetic field of one polarity with induction of 0.4 T results in such decrease of the breakover voltage UB as well as an LED emission at current of 8 mA. But magnetic field of the opposite polarity allows to increase UB. There are represented the formulas for calculation of the dependence of UB on magnetic field. Increase of magnetic sensitivity is achieved by placement of the area with high rate of injected charge carriers recombination at the opposite side of the electrodes at the base side. Double contactless control of the thyristor UB with light and magnetic field allows to increase essentially its functional possibilities. Since the thyristor can only be turned on by light emission, it can also be turned off by the magnetic field impact. It is shown that existing industrial optical couplers can be used as optrons controlled with light emission and magnetic field, but magnetic control thyristor can be used as a simple switch.
期刊介绍：
Radioelectronics and Communications Systems covers urgent theoretical problems of radio-engineering; results of research efforts, leading experience, which determines directions and development of scientific research in radio engineering and radio electronics; publishes materials of scientific conferences and meetings; information on scientific work in higher educational institutions; newsreel and bibliographic materials. Journal publishes articles in the following sections:Antenna-feeding and microwave devices;Vacuum and gas-discharge devices;Solid-state electronics and integral circuit engineering;Optical radar, communication and information processing systems;Use of computers for research and design of radio-electronic devices and systems;Quantum electronic devices;Design of radio-electronic devices;Radar and radio navigation;Radio engineering devices and systems;Radio engineering theory;Medical radioelectronics.
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