This 80's circuit uses a germanium transistor like the AC121. The circuit has an output transformer of the type found on many transistor radios of the time.
This circuit provides 6.3V of output from a 9V input. The circuit was found in a Dutch publication from...
August 2017 - Mouser Electronics already has in stock the new integrated circuit CP2615, which...
The output voltage of this circuit is equal to the sum of the input voltages, if the result is...