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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Optical isolator (CB8272E)
This sensor circuit from a 1967 Ferranti documentation uses components from the era. The circuit...
Power Grid Data Receiver (CB4810E)
This is the receiver for the previous circuit transmitter. Similarly, no information about the...
Touch sensor (CB8723E)
Found in a 90s Popular Electronics, this circuit uses two PLL tone recognizers to trigger by touch an...