All Questions
Tagged with semiconductors physics
5
questions with no upvoted or accepted answers
2
votes
0
answers
192
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MOSFET gate substrate voltage
In a MOSFET the channel is formed between gate and the body it would sense to use gate body voltage to form the channel. Why is gate source voltage used to form the channel?
2
votes
3
answers
133
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Is there a way to experimentally separate the effects of gate voltage?
I'm currently doing experiments on new kind of semiconductors. These devices have a body (source, drain) and a top gate.
These devices show a response to gate voltage. The conductance changes with ...
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1
vote
1
answer
100
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Confusion about why pn junction discussion insensitive to doping variations faster than Debye length
Sze (Physics of Semiconductor Devices, 3e) gives the following discussion which relates to how equilibrium electric fields/equilibrium potential build-up at thermal equilibrium are related to doping ...
- 1,161
1
vote
0
answers
242
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Peltier Module constant time and thermal Load
Hi everyone I am new to this forum.
I am doing a project where I need to control one of the sides temperature of a Peltier device against human skin. So one side is in contact with the skin, and the ...
- 11
0
votes
0
answers
165
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Ordinary LED response to nanosecond pulses
Can anybody explain to me the output waveform generated on pins of an ordinary LED when it is exposed to very short light pulses?
I can clearly see that there is a precise difference in the length of ...
- 291