Full wave rectifier (CB9455E)

This precision signal rectifier was found in an Electronic Design. The components used are from that time, uncommon nowadays.

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Power Failure Indicator (CB6113E)
This circuit can be found in a 1970 Motorola documentation. The circuit can be implemented with general...
Isolated voltage sensor (CB8900E)
This shield circuit with an optical coupler was found in an 90s EDN. The circuit can be used with...
Automotive Voltage Regulator (CB1442E )
This circuit is from 1977 documentation, and high current equivalent transistor must be used. The...