Rail to Rail Oscillator 555 (CB9099E)

Found in an Electronic Design from the 80s, this circuit generates a 500 Hz signal and can be used as a shield

5 V x 5A Regulator (CB15033E)
This circuit was found in an old French documentation, but it is current if we use the BC547 for...
Charge & Discharge Current Monitor (CB5406E)
This circuit is from a 2005 Linear Technology manual. The circuit is powered by 3.3 V but can...
Transformerless Power Sup (MSB001E)
This Power supply is intended to Power small loads with currents up to 30 mA. The voltage depends...