Found in American documentation from 1969, this circuit uses logic inverters to obtain sequences of 4 pulses. The circuit can be used as a shield.
This sophisticated sinusoidal audio signal generator uses a Wien bridge configuration with an...
This AC amplifier using the 741 operational amplifier uses a dual supply from 5 to 12 V. The input...
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...