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.
This simple rhythmic light circuit uses a 110 V to 220 V transformer and can hold a good number of...
This differentiating circuit applies to any operational amplifier. It operates with the negative...
This circuit is from the 1990 Motorola Linear Databook. The integrated circuit used is the LF355,...