This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
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...