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Results tagged with transistors
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user 213609
A transistor is a semiconductor device that can amplify signals and switch power. The types that are used most are BJT (Bipolar Junction Transistor), UJT (Unijunction Transistor), and MOSFET (FET, for Field Effect Transistor).
1
vote
Transistor as a Switch in Cutoff and Saturation
1a) I'd say both are correct. At any voltage Vbe < Vth the transistor will "cut off", where by "cut off" we mean "the current drops to a super-low value, and gets even lower as Vbe drops further". It' …
- 2,623
2
votes
How to made a Tri State Switch?
(This is more of a comment than an answer, but the URL has more characters than a comment will allow.)
The second circuit works just fine if V2 is limited to 0V - 4V. See this CircuitJS simulation he …
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1
vote
Using Power Good pins for sequencing
Rather than build your own discrete solution out of transistors, I'd highly recommend using a reset / supervisor IC for this. …
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4
votes
Finding the broken cicuit in an Xor Gate
Let's label some nodes in the circuit to make more sense of things:
simulate this circuit – Schematic created using CircuitLab
How It's Supposed to Work
\$A\$ and \$B\$ are the logic inputs, …
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