It depends on the phototransistor's design. Most are normally open until you shine light on them.
Disadvantage:Easy to damage when compared to BJT
BJT is Bipolar junction transistor FET is Field effect Transistor It is a current controlled device It is voltage controlled device
it is an oscillator
The heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction. The HBT improves on the BJT in that it can handle signals of very high frequencies, up to several hundred GHz. It is commonly used in modern ultrafast circuits, mostly radio-frequency (RF) systems, and in applications requiring a high power efficiency, such as RF power amplifiers in cellular phones. The idea of employing a heterojunction is as old as the conventional BJT, dating back to a patent from 1951.
It depends on the phototransistor's design. Most are normally open until you shine light on them.
Only by being unusual or used in an unusual way.
In the designation L14G1 phototransistor, the "L" typically stands for "light," indicating that it is a light-sensitive device. The "G" often represents "germanium" or "glass," referring to the material used in the phototransistor's construction or packaging. The "14" and "1" are likely specific model numbers or series identifiers used by the manufacturer to differentiate this phototransistor from others in their lineup.
Emitter, base & collector.
Disadvantage:Easy to damage when compared to BJT
Bipolar junction transistor(BJT)
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Conventional photography uses film while modern photograhp mainly uses digital.
Three.
They are NPN and PNP. BJT mean bipolar junction transistors. there are two P-N junctions in BJT transisters.
because the fet is made out of carbon metal oxide and the bjt is made out of silicon or germanium
BJT is Bipolar junction transistor FET is Field effect Transistor It is a current controlled device It is voltage controlled device