This switched power supply was found in a 70s documentation. The basic components are from that time. The circuit operates at 200 kHz and has a ripple below 200 mV.
We found this circuit in an American documentation from the 60s. The circuit can be made with...
This simple circuit uses few common components and can be installed in any car. In case of...
This amplifier step with a transistor has an input impedance of 100k to 10 M. The transistor can be any...