This circuit was found in Radio Electronics magazine from October 1964. The circuit uses two transistors of the time that require a supply voltage of 9 V. Consumption is 2.5 mA.
We found this circuit in a technical documentation from Texas Instruments. The generated signal is...
Schmitt Triggers convert a signal of any waveshape in square signals or pulses. The circuit shown...
This circuit is based on an MC1408, an integrated circuit that is not common today. The...