Point controller (CB22196E)

Based on common components, this circuit was found in an English publication. The circuit is powered directly by the secondary of a transformer.

Power CMOS Shield (CB19763E)
Bipolar transistors are types of general use like BC548, while the power MOSFET can be of any type...
Noise Generator (CB17203E)
This circuit generates a signal rich in harmonics that extends up to close to 1 GHz, serving for...
Salen Key Low Pass Filter (CB4865E)
This second-order low-pass Salen-Key filter was obtained from an American 1980s documentation. Formulas...