Full wave dimmer (CB7208E)

Found in Motorola's 1965 manual, this full-wave dimmer controls a load that depends on the used SCR. The trigger element is a neon lamp.

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Code Practice Unijunction Oscillator (CB1430E )
e find this circuit in documentation for radio amateurs of 1974. The unijunction transistor can be...
Announcing Two New Low-Cost, Feature-Rich PIC32 Curiosity Development Boards from Microchip
Rapid Prototyping Boards for 32-bit Applications Include Peripherals, Easy-to-use Interface and...
Sound level meter (CB8225E)
This sound intensity meter was found in a 90s Elektor. The circuit uses an integrated device from...