LM3900 Positive Differentiator (CB5054E)

The circuit shown in the figure has an output voltage rise time of 0.22 ms and an input time constant of approximately 1 ms.

Fluorescent Inverter (CB18941E)
This circuit has as a critical component the transformer that has low voltage windings for the...
tape player amplifier (CB7301E)
Found in a 1968 Electronics World, this circuit uses operational amplifiers from that time. |...
Operational Half Wave Rectifier (CB14840E)
We found this configuration in documentation from the 1980s. It applies to almost any operational...