Headlight flasher 555 (CB26290E)

This powerful pushbutton uses a power MOSFET. We found it in a Popular Electronics magazine from the 90s. The MOSFET must be mounted on a heat sink.

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Turntable Circuit (CB24357E)
This is the circuit of a turntable from the 1970s. We found it in a repair article in the December...
24 Hour Clock (CB6462E)
This circuit divides the grid 60 Hz frequency to obtain 20 Hz to drive mechanical watches used at...
Audio Amplifier CA3080 (CB20022E)
This small audio amplifier uses an uncommon integrated circuit today. The circuit is from a...