The circuit shown in the figure below is from the 1993 Linear Technology Applications. The operational ones used are uncommon and the use of equivalents can be analyzed.
By the characteristics, this circuit can be used as command of triac by direct current, which is...
This circuit protects power supply equipment against transients coming from the power line as well as...
Only one LED is turned on when S1 and S2 are pressed. The LED that will be on is just the...