This 1968 Hughes circuit uses period components and operates at 8 Hz. Current equivalent components may be employed. Note the high supply voltage.
This simple two-transistor FM transmitter was found in the November 1991 issue of Radio...
We found this light-effect circuit with LEDs using the well-known 4017 in a 1987 documentation. All...
The integrated circuit used in this Electronics Now amplifier is not very common today. However,...