individually, each part has no main function. it's when you use them in conjunction with one another that you get the amplification process. now for an example lets use a simple BJT, say 2N3904 is a NPN transistor. now to better understand picture a diode between the base and the emitter where the anode is at the base and cathode at the emitter. bias the collector at +5V and put the emitter at zero for reference (ground). now lets say you apply 3V to the base, it's going to kick on that "diode" between the base and the emitter and your going to get current to start coming from ground into the emitter. when that current hits the base its just going to keep going (such a small amount is lost through the base that we can ignore it, i'm talkin micro-amp range) the current just goes up through the collector and to your load. now this is an extremely basic example, you'll have to do much more in depth studies to fully under stand how it works.
whatever you want to use it for. it depends on the circuit around it.
There are three men accredited to inventing the transistor, they are John Bardeen, Walter Brattain, and William Shockley.
A transistor can be in three conditions or states. It can be active (at a voltage higher than the emitter), in saturation or cut off (no current).
two jun. b/w three layer of either pnp or npn
put (programmable unijunction transistor) he Programmable Unijunction Transistor behaves much like a unijunction transist or (UJT), but is "programmable" via external resistors (that is, you can use two resistors to set a PUT's peak voltage). Note that the name is a bit of a misnomer -- as a thyristor, it is a four layer device, unlike a true unijuncti on transistor which has but two layers. Like other thyristors, a PUT looks much like a junction transistor with a fourth layer and therefore a total of three P- N junctions. Meanwhile, a third terminal, the gate (G), makes a PUT function like a hybrid of transistor and diode: PUT symbolPUT cross-section PUTs are not often used in BEAM; they're essentially special-purpose devices in electronics, used for lightingcontrol, motor speed control and othervariable power applications. In combination with an SCR they can, though, makea mean solar engine. In a pinch, you can build up something much like a PUT from discrete transist ors wired as a complementaryfeedback Here, as soon as any current flows in either transistor, this current becomes base current for the other transistor, and both transistors turn on hard. This means you can only build up this circuit using low-leakage transistors ('though this should be the case with any decent- quality modern transistor ).
literary,devices and figures
For a BJT transistor the three basic elements are collector, base and emitter. For a FET transistor are drain, gate and source which are analogous for the BJT parts mentioned before.
For a BJT transistor the three basic elements are collector, base and emitter. For a FET transistor are drain, gate and source which are analogous for the BJT parts mentioned before.
It means that a voltage is established between two of the three terminals of a transistor, to achieve the desired operation. Since with three terminals you can choose three different combinations of two terminals, there are three different types of biasing.The details vary, depending on the type of transistor used. Also, the details are quite involved. The Wikipedia has some introductory articles; for example the article on "Biasing", or on "Bipolar transistor biasing" if you want to know about biasing for this specific type of transistor.
A Jfet stands for junction field effect transistor. It is a transistor also known for being the simpleist field effect transistor. The basic construction contains has three parts the P-type input the n-type input and a depletion layer.
You do not have to; a simple power supply can use as few as 1 transistor. Supply a drawing, or explain your schematic.
A transistor has three connection points. The connection points are base, emitter, and collector.
three parts
Transistor.
3: emitter, base, collectorThere are three regions but to be absolutely picky I think only two of them need be doped.Nope: they MUST be doped NPN or PNP. If any are undoped it will not function as a transistor.
Thirty-three parts out of one hundred
Transistor is a three terminal device. Its shape may differ with applications.
matter makes something divided to three parts . To make anything become that three parts like Gas, Liquid, Solid