This dimmer for the 120 V (117 V) network was found in the magazine Electronics Now of August 1995. The triac is according to the load that must be ohmic.
The sequence of logic levels applied to the inputs of and d1 determines the motor's movement. The...
This current boosting circuit uses an op-amp and 3 transistors. The current depends on Q1. The...
This voice scrambling scrambler was published in the August 1982 issue of Radio Electronics...