We found this circuit in a 1965 Electronic Design. Transistors are still common but admit equivalents for some of them. The circuit drains a current of only 4 mA.
This is one of the many hysteresis comparator circuits the reader may find in this section and on this...
The gain of this amplifier is 10 times and the excursion to the output voltage is 6.0 V (peak to...
The circuit shown uses an operational transconductance amplifier such as the LM3900. Transistors...