This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the waveforms of the generated signals. The transistor admits equivalent.
This alarm circuit triggers when S1 opens. The circuit from a January 1975 Radio Electronics...
This circuit was found in Maxim documentation from the 1990s. The RC circuit determines the...
Offset Adjustment on an Amplifier with the LM139 (CB14245E) In the figure we have the way of...