Rail to Rail Oscillator 555 (CB9099E)

Found in an Electronic Design from the 80s, this circuit generates a 500 Hz signal and can be used as a shield

High-Side Current Amplifier (CB15568E)
Current sensors of the type High-Side (high side) are circuits that monitor the current drained by a...
Divider by 10 (CB6898E)
This circuit was found in a General Electric documentation from 1966. It uses discrete components...
DC Motor Control (CB12361E)
This linear speed control for DC motors up to about 2 A was found in a 1978 publication. The power...