Tag Archives: Electronics

Veritasium – How Does a Transistor Work?

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Logic gates

(View in full window) Logic gates form the basis of digital electronics. Logic gates are integrated circuits that have a voltage output (high, low or on,off) based on the input voltages & conditions. The basic types of logic gates are … Continue reading

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Capacitor charging

(View in full window) This animation shows the charge and discharge of a capacitor. You can see how the time taken depends on the resistance & capacitance of the circuit. Use the sliders to change the values of battery voltage, … Continue reading

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Diode IV curves

(View in full window) This animation shows the relationship between voltage and current for diodes. Downloads: Flash source file (.fla)  Flash (.swf)  Mac application (.app)  Windows Application (.exe) 

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Photonics Podcast

Definitions, Why optical fibres?, Light emitting diodes, Light dependent resistors, A light sensing circuit, Photodiodes, Phototransistors, Remote control circuit, Digital data, Binary numbers, Pulse Code Modulation, Light modulation. Download the notes. Download the video.

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Transistors & amplifiers

(View in full window) This learning object gives an introduction to the basics of how a transistor works & how a transistor can be used as the basis of an amplifier. Downloads: Flash source file (.fla)  Flash (.swf)  Mac application … Continue reading

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