This source with two symmetrical output voltages was found in 90s Radio Electronics. The 22 V output has a maximum current of 300 mA and the 5 V output has a maximum current of 4 A.
This experimental telegraphic communication system can have wires connecting to the handset of...
Scratch is the scratching noise that occurs mainly with old records. This high frequency noise is...
This short-range circuit can act as a wireless microphone. We got the schematic and the printed...