This circuit is from the 1983 Intersil Databook. The display is plasma and must be excited by a high voltage circuit. The components used in this configuration are not common today.
This simple speed control for 3 to 15 V motors uses a common power transistor. The circuit was...
The quadrature oscillator is another type of phase shift oscillator, where each of the three...
) The integrated circuit used is uncommon today. The circuit is suggested by Motorola's Linear...