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University of Bahçeşehir Engineering Faculty Electrical
University of Bahçeşehir Engineering Faculty Electrical

... operating point of the transistor. In the cut-off mode, there is only a small amount of reverse current from emitter to collector, making the transistor akin to an open switch. In the saturation mode, there is a maximum current flow from collector to emitter. The amount of that current is limited pr ...
Who really invented the Transistor
Who really invented the Transistor

... negative, negative and positive...silicon dioxide doped with arsenic and boron, in 1947. Now, in 1947, doping things with boron was not easy. It required the sort of equipment that even Bell Labs in 1946 did not possess. They had this type of equipment at Lawrence Berkeley Laboratories, but it would ...
UADSL을 이용한 댁내망 게이트웨이 시스템 개발
UADSL을 이용한 댁내망 게이트웨이 시스템 개발

...  Picture shows the workbench of John Bardeen (Stocker Professor at OU) and Walter Brattain at Bell Laboratories. They were supposed to be doing fundamental research about crystal surfaces.  The experimental results hadn't been very good, though, and there's a rumor that their boss, William Shockle ...
Transistors and Semiconductors
Transistors and Semiconductors

MS Word
MS Word

The unijunction transistor
The unijunction transistor

C S U
C S U

Bipolar Junction Transistor
Bipolar Junction Transistor

Use this Link to See the Complete 2N343 FACT SHEET
Use this Link to See the Complete 2N343 FACT SHEET

The Rating of Power Transistor
The Rating of Power Transistor

Lecture11 BJT Transistor
Lecture11 BJT Transistor

... Picture shows the workbench of John Bardeen (Stocker Professor at OU) and Walter Brattain at Bell Laboratories. They were supposed to be doing fundamental research about crystal surfaces. The experimental results hadn't been very good, though, and there's a rumor that their boss, William Shockley, c ...
Section C The Bipolar Junction Transistor (BJT)  (Chapter 4 of your text)
Section C The Bipolar Junction Transistor (BJT) (Chapter 4 of your text)

... conditions, to include: mathematical, graphical and computer simulation; ¾ fundamental operation and design considerations for single-stage BJT amplifier configurations; and ¾ biasing considerations and techniques for optimal single-stage amplifier output. I would like to caution you to be patient w ...
C S U
C S U

Lab #1: Ohm’s Law (and not Ohm’s Law)
Lab #1: Ohm’s Law (and not Ohm’s Law)

... Will use to study the Ebers-Moll model of the transistor I C = I S (eVBE /VT - 1) I B = I C / hFE VT , I S .h FE are properties of the transistor, with VT » 25mV I S is the saturation current h FE » 20 - 1000 We will plot ln(IC ) vs VBE for 2 different types of transistors ...
< 1 ... 67 68 69 70 71

History of the transistor



A transistor is a semiconductor device with at least three terminals for connection to an electric circuit. The vacuum-tube triode, also called a (thermionic) valve, was the transistor's precursor, introduced in 1907.
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