Plasma Lamp with Triac (CB26134E)

We found this circuit in a Radio Electronics Experimenter from 1990. The circuit uses a common incandescent bulb and a car ignition coil.

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LM567 tone filter (CB19448E)
This is the traditional configuration of an adjustable tone filter with the LM567. The circuit uses a...
Auto Alarm (CB5020E)
This transistor turn signal was found in an English magazine that no longer exists in 1975. The...
TPS62135 TPS621351 Step Down Converters (COM163E)
November 2016 - Texas Instruments' new TPS62135 and TPS621351 step-down converters with a wide...