This sewing machine motor control was found in the December 1997 Electronics Now magazine. The half-wave circuit uses a 106-type SCR.
Found in a Linear Technology documentation from the 1990s, this circuit has the voltage adjusted by...
A positive transition in the trigger makes the outputs change state and remain so for the time...
We found this circuit on Motorola's 1993 Linear Interface ICs. Equivalent operational amplifiers can be...