This circuit was found in the September 1972 issue of Radio Electronics magazine. The circuit uses an operational amplifier of the time and a symmetrical 9 V source.
Found in a 90’s Electronic Engineering, this circuit detects the lack of phase in the supply of a...
This receiver receives signals in the range of 3.2 to 16 MHz, presenting a good sensitivity thanks...
This circuit can operate with 5 uV to 1 mV input signals from low impedance sources such as...