18 V to 30 V x 200 mA DC converter with 200 mA (CB8474E)

This circuit was found in a 90s Signetics documentation. The circuit is switched based on components of the time.

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Electronic Fuse (CB10445E)
This circuit was published in an Italian magazine Radio Elettronica in February 1976. The...
35 to 5 V symmetrical converter (CB8176E)
Found in a Popular Electronics from the 90's, this circuit converts a 40 V symmetrical source to a 5...
Selective tone decoder (CB3957E)
This high selectivity circuit for single tone decoding was found in 1970s documentation. The coil...