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    • 3. 发明公开
    • 고효율 정전류 회로
    • 恒定电流高效率
    • KR1020120082328A
    • 2012-07-23
    • KR1020110116466
    • 2011-11-09
    • 한국전자통신연구원
    • 김현탁김봉준곽선신김준식
    • G05F3/16H02H9/02
    • G05F3/02G05F3/16H02M2001/327
    • PURPOSE: A constant current circuit of high efficiency is provided to maximize or increase the efficiency of a transistor by improving loss of a base current. CONSTITUTION: An end of a load(2) is connected to a power voltage source. A heat generator(10) is connected between an end of a load and advanced power and ground connections resistance. The heat generator inhibits thermal runaway effect of a semiconductor. A first transistor(12) is connected to an end of a load in parallel with a heat control unit. The first transistor increases current efficiency of a heat controller. A second transistor(14) is connected between an advanced power and ground connections resistance and the first transistor. The second transistor is switched according to a node voltage of the advanced power and ground connections resistance. The second transistor maintains a constant current flow of the advanced power and ground connections resistance.
    • 目的:提供高效率的恒流电路,以通过改善基极电流的损耗来最大化或提高晶体管的效率。 构成:负载端(2)连接到电源电压源。 发电机(10)连接在负载端和高级电源和接地连接电阻之间。 热发生器抑制半导体的热失控效应。 第一晶体管(12)与热控制单元并联连接到负载的端部。 第一个晶体管提高了热控制器的电流效率。 第二晶体管(14)连接在高级电源和接地连接电阻和第一晶体管之间。 第二晶体管根据先进电源和接地连接电阻的节点电压进行切换。 第二晶体管保持先进的电源和接地电阻的恒定电流流动。