Using the integrated circuit DCP01051D this circuit was found in the magazine Electronics Now of August 1998. The maximum current is 50 mA.
This voice scrambling scrambler was published in the August 1982 issue of Radio Electronics...
This is the traditional configuration of an inverter amplifier with 100 voltage gain and...
This circuit was obtained in a 1980 publication. The transistors can be BC548 or 2N2222. The...