3DH系列可調(diào)恒流管性能和原理分析
ANALYSIS OF THE CHARACTERISTICS AND PRINCIPLES OF 3DH SERIES ADJUSTABLE CURRENT REGULATOR
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摘要: 本文分析了一種新型恒流器件的特性和原理,由于采用恒流二極管供流和實現(xiàn)最佳溫度補償獲得了非常穩(wěn)定的輸出電流。器件的動態(tài)阻抗大,電流溫度系數(shù)H10-4/℃,恒定電流IH在5--500mA范圍內(nèi)具有連續(xù)可調(diào)等優(yōu)點。
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關(guān)鍵詞:
- 半導體器件; 恒流二極管; 電流溫度系數(shù)
Abstract: The characteristics and principles of a new current regulator are analysed- As A result of adopting the current regulator as the current supply and realizing the optirrium temperature compensation, a very stable output current have been obtained. The device not only has large dynamic impedance, current temperature coefficient less than or equal to 10-4/℃. but also has the advantage of continuous adjustability of output current from 1 mA to 500 mA. -
R. J. Widlar, IEEE Trans. on CT, CT-12(1965)12, 586-588.[2]A. B. Grebene, S. K. Ghandhi, Solid-State Electronics, 12(1969)7, 573-58.[3]H. E. Talley, Physical of Semiconductor Devices, Chap.7, The Iowa State University Press,(1976 ).[4]亢寶位,場效應晶體管理論基礎,科學出版社,1985年,第76-81頁. -
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