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Results tagged with transistors
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user 213662
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).
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Phototransistor relay circuit
I don't quite understand this type of circuit:
When light strikes Q1 (phototransistor), if the light is intense enough, Q1 is turned on, then current flows into the base of Q2 which also turns Q2 o …
- 161
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Maximum peak current swing (Class A amplifier)
For a class A amplifier, the Q point is centered as shown:
and the maximum signal that can be obtained is when the peak value of the current is Icq and peak value of VCE is VCEQ
Now when we calc …
- 161