This circuit is from Delco Radio found in a 1968’s documentation. The transistors are of the time and are not given information about the driver transformer. Note the high supply voltage.
The circuit shown is a Pierce type oscillator and operates at the fundamental frequency of the...
This 100 kHz oscillator was found in a 1966 Motorola publication. The transistors are of types...
January 2017 - Texas Instruments' new TPS54200 integrated circuit for excitation of LEDs with a...