Using a component of the era, this 1968 Mallory circuit uses an output transformer whose characteristics were not provided in the original documentation.
This circuit, found on Motorola's Linear Interface ICs uses the MC1536 as a driver for a 36 W or...
In the figure we have the conventional configuration to use a triac to control a power load from...
We find this oscillator in a 1980s documentation. The frequency depends on the crystal and the...