Sewing machine motor control (CB7937E)

This circuit is from a 1969 General Electric manual. The SCR may be the TIC106. Similar circuits from other sources are found on this website.

| Clique na imagem para ampliar |

Discrete Precision Regulator (CB15719E)
The voltage regulator circuit described is highly accurate and uses discrete components...
WWV 10 MHz converter (CB9184E)
WWV is the standard frequency station of the United States government. This station broadcasts a...
Voltage Detector for Battery Chargers (CB6061E)
Based on a 555, this 80's American documentation circuit detects the voltage of a battery and can then...