This common dimmer configuration is one of thousands that have appeared in electronics publications around the world. This one with a triac was found in October 1977 Radio Electronics magazine.
The integrated circuit shown in the figure is nothing more than the LM386 sold by Radio Shack,...
Suggested by General Electric in a 1967 documentation, this circuit replaces the Thryraton tubes used at...
This low-power, low-supply voltage amplifier uses a preamplifier to achieve a high-gain...