Dimmer without flicker (CB7218E)

This circuit was found in Signalite documentation from the 1960s. The circuit uses a pulse transformer whose characteristics have not been provided.

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12,5W Amplifier with the741 (CB4023E)
This circuit is from the 1990 Motorola Data Databook. The circuit can be implemented with...
OR gate with the LM3900 (CB4032E)
The circuit presented emulates an OR gate with the LM3900, operational transconductance amplifier....
Solar Alarm Clock (CB4319E)
This circuit is interleaved with the source of a portable AM or FM radio previously tuned to a...