- #1
KUstudent
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Who can explain what happens (in terms of electrons) what happens when base current is zero, especially why current flowing to collector is zero under this condition?
What happens to BJT when base current is zero?
In summary, a BJT, or bipolar junction transistor, is a type of semiconductor device used for amplification and switching of electronic signals. It operates by controlling the flow of current between its three layers and "0 base current" refers to the amount of current flowing into the base. Using a BJT under 0 base current can provide benefits such as low power consumption, high switching speed, and reduced noise. It is commonly used in high-speed switching applications, voltage regulators, and other electronic devices.
- #2
dlgoff
Science Advisor
Gold Member
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Hi KUstudent. Kansas University? Anyway, welcome to Physics Forums.
I always like to use this as a good image reference for this question.
For more, check out their pages starting here:
http://hyperphysics.phy-astr.gsu.edu/hbase/solids/trans2.html"
I always like to use this as a good image reference for this question.
For more, check out their pages starting here:
http://hyperphysics.phy-astr.gsu.edu/hbase/solids/trans2.html"
Last edited by a moderator:
What is a BJT?
A BJT, or bipolar junction transistor, is a type of semiconductor device used for amplification and switching of electronic signals. It consists of three layers of doped materials, typically made of silicon, and is the most commonly used type of transistor in electronic circuits.
How does a BJT work?
A BJT operates by controlling the flow of current between two of its layers, called the collector and emitter, using a third layer called the base. When a small current is applied to the base, it allows a larger current to flow between the collector and emitter, effectively amplifying the signal.
What does "0 base current" mean in relation to a BJT?
"0 base current" refers to the amount of current flowing into the base of a BJT. In a BJT under 0 base current, the base is not receiving any current and is effectively turned off. This results in a very small amount of current flowing between the collector and emitter, making it useful for certain applications such as high-speed switching.
What are the benefits of using a BJT under 0 base current?
Using a BJT under 0 base current can provide several benefits, including low power consumption, high switching speed, and reduced noise. It can also improve the efficiency of electronic circuits and reduce the risk of overheating.
What are some common applications of a BJT under 0 base current?
A BJT under 0 base current is commonly used in high-speed switching applications, such as in computer processors and telecommunications equipment. It is also used in voltage regulators, power supplies, and other electronic devices that require low power consumption and high efficiency.
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