Car Battery Power Supply (CB25334E)

This car battery power supply was found in the June 1990 issue of Radio Electronics magazine. Integrated circuits must be equipped with heat sinks.

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Seismic and vibration detector (CB25727E)
The circuit illustrated in the figure can be used to detect earthquakes or vibrations of...
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MCP19122 and MCP19123 Hybrid Controllers - Microchip
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