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Date: 6-5-2021
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Date: 9-4-2021
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Date: 17-4-2021
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Drain current versus drain voltage
You might expect that the current ID, passing through the channel of a JFET, would increase linearly with increasing drain voltage ED. But this is not, in general, what happens. Instead, the current ID rises for awhile, and then starts to level off.
The drain current ID (which is the same as the channel current) is often plotted as a function of drain voltage, ED, for various values of gate voltage, EG. The resulting set of curves is called a family of characteristic curves for the device. The graph of Fig. 1 shows a family of characteristic curves for a hypothetical N-channel JFET. Engineers make use of these graphs when deciding on the best JFET type for an electronic circuit. Also of importance is the curve of ID vs EG.
23-6 A family of characteristic curves for a hypothetical N-channel JFET.
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علامات بسيطة في جسدك قد تنذر بمرض "قاتل"
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أول صور ثلاثية الأبعاد للغدة الزعترية البشرية
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مكتبة أمّ البنين النسويّة تصدر العدد 212 من مجلّة رياض الزهراء (عليها السلام)
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