Power supply device with a blocking oscillator - Patent 0291742
Oscillator in a simple smps | Electronics Forum (Circuits, Projects and Microcontrollers)
mosfet - Blocking oscillator, Slayer exciter drawing too much power - Electrical Engineering Stack Exchange
DC to DC Converter circuit diagram and instructions
I have modified a simple blocking oscillator. How can the frequency, duty cycle or efficiency be otherwise increased? - Electrical Engineering Stack Exchange