Found in a 300 Circuits from the 90s, this circuit can deliver a maximum current of 50 mA. The output is 20 V with a 12 V input.
This circuit is from a 1995 technical documentation. The transistor can be a BC558 and the sensor...
Found in a Popular Electronics from the 90s, this circuit checks the presence of voltage on a...
The critical component of this amplifier is the output transformer. We found the circuit in an old...