4.1.2 TRANSISTORS

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Last updated 10:27 AM on 5/1/26
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12 Terms

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<p>Bipolar Junction Transistor (BJT)</p>

Bipolar Junction Transistor (BJT)

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<p>Uni-junction Transistor</p>

Uni-junction Transistor

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<p>Junction Field Effect Transistor (JFET)</p>

Junction Field Effect Transistor (JFET)

4
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<p>Metal Oxide Semiconductor Field Effect Transistor (MOSFET)</p>

Metal Oxide Semiconductor Field Effect Transistor (MOSFET)

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<p>Phototransistor</p>

Phototransistor

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MTERIALS USED FOR TRANSISTORS (SEMI - CONDUCTORS)

silicon

germanium

gallium-arsenide.

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PHOTODIODES NOTE

can be either BJTs or FETs.

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<p>PNP (THEY WILL GIVE “BASE” SO ORIENTATION DOESNT MATTER LEARN POSITION OF “EMITTER”)</p>

PNP (THEY WILL GIVE “BASE” SO ORIENTATION DOESNT MATTER LEARN POSITION OF “EMITTER”)

BJT PNP

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<p>NPN (THEY WILL GIVE “BASE” SO ORIENTATION DOESNT MATTER LEARN POSITION OF “EMITTER”)</p>

NPN (THEY WILL GIVE “BASE” SO ORIENTATION DOESNT MATTER LEARN POSITION OF “EMITTER”)

BJT NPN

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<p>N CHANNEL (JFET)</p>

N CHANNEL (JFET)

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<p>P CHANNEL (JFET)</p>

P CHANNEL (JFET)

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TRANSISTORS NOTE

In the BJT current (in mA) is used to control the flow of electrons between the emitter and the collector. In a FET, an electrical field, (voltage rather than current) is used to control the flow of electrons between the Source and the Drain