Transcription of Basic Electronics - New York University
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Basic ElectronicsSemiconductor I Materials that permit flow of electrons are called conductors ( , gold, silver, copper, etc.). Materials that block flow of electrons are called insulators ( , rubber, glass, Teflon, mica, etc.). Materials whose conductivity falls between those of conductors and insulators are called semiconductors. Semiconductors are part-time conductors whose conductivity can be II Silicon is the most common material used to build semiconductor devices.
pulsed DC. •A filter capacitor is used to smooth out the pulses. •Capacitor must be large enough to store sufficient charge so as to provide a steady current supply to the load: f is rectified signal’s frequency (120Hz). R C f Load 1/ Transistor • A three lead semiconductor device that acts as: ...
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