Found in the December 1974 issue of Radio Electronics, this circuit is similar to the previous one, only using another TTL counter. The circuit must be powered by 5 V.
This circuit causes the relay to be energized when the input voltage exceeds the voltage value of...
The circuit we present is suggested by Linear Technologies (www.linear.com) and makes use of an...
Found in American documentation from the 90s, this circuit can be used as a shield with the...