Lead Acid Battery Charger (CB26301E)

This power charger was found in a 1990s issue of Popular Electronics. Integrated circuits must be equipped with a heat sink.

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Switching for EMG (CB7373E)
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
Voltage to Current Converter (CB5100E)
This circuit, which appears from other sources on this site, converts a voltage into a current....
Perpetual Movement (CB14788E)
This interesting circuit makes the needle of a microammeter oscillate at random, imitating a...