This narrowband data receiver is from the Philips Databook of 1990. The circuit is powered by 5 V and N1 has 3.21 turns, N2 1 turns with Q = 16.
Found in an English documentation from 1989, this circuit uses components common today. The...
The power of this converter is not the greatest, it can only supply small fluorescent lamps,...
This circuit uses a 455 kHz crystal or for close frequencies. We found it in documentation from...