How they work

Articles
Title
Silicon Controlled Rectifier – SCR – How it Works (ART113)
MOSFETs – How they work (ART071)
Surface Mounted Devices (SMD) (ART137E)
Zener Diodes – How They Work (ART133E)
Liquid Crystal Dysplays – How they work (ART135E)
Silicon Unilateral Switch SUS (ART134E)
Transformers – How they work (ART132E)
Darlington Transistors – How they work (ART067)
Incandescent Lamps – How they work (ART069)
How They Work - Field-Effect Transistor-FET (ART070)
Relays – How they work (ART056E)
Semiconductors and Diodes – How They Work (ART042E)
Optocouplers – How they work (ART033E)
Phototransistors – How they work (ART032E)
Capacitors – How they work (ART031E)
VDRs – How they work (ART027E)

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Current sensor with 100 M ohm input (CB9663E)
This sensor circuit for currents of the order of nanoamperes was found in an American...
Visually Impaired Electronic Guide (CB18123E)
With this circuit the visually impaired can easily locate important places inside the house, such...
Capacitor Meter (CB24532E)
This circuit was found in the December 1977 issue of Radio Electronics magazine. The 4-digit...