3 ms·
Bias makes transistors work. Learned that in Navy BE/E school. Nothing about them made sense until then. The article doesn't mention bias until it starts talkin
by wankle 4y ago
Bias makes transistors work. Learned that in Navy BE/E school. Nothing about them made sense until then. The article doesn't mention bias until it starts talking about FET's which is odd because bias is the reason transistors work. The voltage can be negative at all three leads. That blew my mind. Bias.
- Workaccount2 4y agoBias is how you make transistors work in a circuit, but not how they work internally.
- posterboy 4y agoIt's not a closed system internally. Theorizing about the open circuit voltage is legitimate for an ideal voltage source but entirely useless since it is completely isolated. It is indeed a confusing abstraction, I have to concure.
- capn_duck 4y agoBias is how all electric components work. All they know about is the difference in voltage between their electrodes, not any absolute voltage w.r.t the rest of the circuit.
- itishappy 4y agoVoltages lack the concept of zero, so we need a comparison to be able to do certain math (like addition) nicely. Here's an article explaining why! https://math.ucr.edu/home/baez/torsors.html https://math.ucr.edu/home/baez/torsors.html Here's the post I pulled it from! https://news.ycombinator.com/item?id=33678771 https://news.ycombinator.com/item?id=33678771