This circuit generates noise pulses for audio equipment probes. The circuit is from a 90’s 303 Circuits. The operational amplifier is an input FET type.
This circuit allows fluorescent lamps to be powered up to 40 W from 12 V car batteries. The...
This circuit allows you to find two diodes with equal characteristics. The circuit was found in a...
This circuit was found in an Electronics Now of the 90s. It is intended for amplifying composite...