This circuit was found in 80's documentation from Analog Devices. The formulas for calculating the components as a function of frequency are given next to the diagram.
This PUT oscillator circuit has a frequency of 1 Hz. We find it in a General Electric...
This circuit for the car uses LDRs as sensors and does not need to be connected to the lamp. The...
This circuit of an Electronics Now from the 90's produces an intelligent direction signal that has...