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.
The thermistor used in this circuit must have a resistance at room temperature between 10 and...
This power stage is from a 1957 documentation, a time when the transistor used was common to...
This fast inverter amplifier with high input impedance uses operational amplifiers from the 80's,...