We found this tube receiver in a 1950s Japanese publication. The circuit uses 5 tubes and has an RF amplifier stage for greater sensitivity. The power supply is not shown on the circuit.
This circuit was found in a Motorola documentation from the 70s. The components are from the time,...
We found this circuit in an old documentation from the 70s, but it can be assembled with more...
August 2016 - It can be purchased from Mouser Electronics the new digital isolators ADuM120N and...