This circuit was found in an Electronics World of 1969. The circuit has a drain current of approximately 150 uA. The frequency generated is 1 MHz with the indicated components.
We present a circuit formed by six voltage comparators. Each comparator will analyze the voltage...
This circuit can generate time base signals from 5 to 1500 Hz. We find it in a documentation about old neon...
In this circuit the CA3140, an operational amplifier, is used as a comparator with the zener diode...