Most dimmers use pulse width modulation (PWM) to control the amount of power that is delivered to the lamp. Those that come bundled with a switch faceplate control the firing angle of a Triac on the ...
Readers who do not care to modify the power supply of an old PC into a suitable halogen power source (see our April 2006 issue), may find the present design a welcome alternative. The circuit does not ...
Combining adaptive control techniques with advances in high-voltage junction isolation (HVJI) process, International Rectifier (El Segundo, Calif.) has readied an unprecedented intelligent control IC ...