We found this circuit in December 1986, Radio Electronics magazine. It uses 3 inverters and has the frequency determined by the crystal. The power supply is 5 V.
This circuit switches a load in 0.013 ms after closing the switch and after the start of each...
This circuit can be powered by 2 or 3 small batteries. The resistor can have values between 220...
The purpose of this circuit is to test power supplies functioning as a variable load that can...