The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be powered by two 9-B batteries. Low voltage amplifiers can be used.
This isolated solid state relay can function as a shield directly controlling 10 A loads. The...
A new version of the previous circuit triggered by the negative transition of the input signal is...
This circuit was found in the February 1985 issue of Radio Electronics magazine. It is based on an...