This circuit operates at a voltage of 1.3 V from a single mercury cell. We found in an old documentation and for the components used the frequency is 500 kHz.
We got this circuit in a publication of 1987. This is an audio limiter, a circuit that cuts peaks...
This circuit is from an old Popular Electronics, but it can be easily implemented nowadays, even...
The circuit bellow shows how four inverters [NAND, NOR or Inverters] Kim - This could be NAND,...