Motor Control (CB23783E)

Here is a circuit widely used in electronics from the 60s. This circuit was found in a Radio Electronics from June 1967. The circuit is half wave.

Electronic Dice (CB12221E)
This TTL dice is from an old publication from 1978, but it can still be assembled, as the...
Full wave rectifier (CB9455E)
This precision signal rectifier was found in an Electronic Design. The components used are from...
OR gate LM3900 (CB14200E)
We found this setting in the National Semiconductor Linear Applications Handbook. The base is an...