This circuit uses an LED (called SSL) to regulate current in a configuration with complementary transistors. The circuit is from 1970 General Electric documentation.
With this circuit you can produce the sound effect passing from one channel to another. The...
The circuit shown in the figure consists of an Inverter Module for CCFL Lamp that can be supplied with...
This three-phase control for induction motor was found in a Motorola documentation from 1968. The...