Found in a documentation from the 90s, this circuit limits and amplifies a voice signal in the 800 to 3000 Hz range and is intended for transmission systems.
Found in Radio Electronics this circuit has its action determined by resistor R1. The circuit does...
This is a basic flip flop circuit with neon lights. We found it in a Radio Electronics magazine from...
The circuit in the figure uses hall sensors to obtain the current measurement through the magnetic...