Question: VCC VDrain VCC R3 TV1 VGS Q1 15V L BS170 Figure 1 MOSFET testing Notic
ID: 1847129 • Letter: Q
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Question:
VCC VDrain VCC R3 TV1 VGS Q1 15V L BS170 Figure 1 MOSFET testing Notice that the device in this circuit is always in saturation. If R2 is very large, say 100K to 500K then very little drain current will flow, and VGS will be extremely close to the threshold voltage. If R2 is much smaller, say 1 K or so then substantial Drain current will flow and you may estimate Kn. Assume the following test data: VDrain 1.870 R2 100K DR2 K VDrain 2.298 (Recall that with the aid of ohm's law, you can easily get the drain current) Calculate Kn and VTN.Explanation / Answer
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