This sewing machine motor control was found in the December 1997 Electronics Now magazine. The half-wave circuit uses a 106-type SCR.
This unusual audio amplifier configuration was obtained in a 1974 documentation. The PNP...
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...
Found in National Semiconductor documentation, this logarithmic meter is powered with a voltage of only...