We found this circuit in a 1972 publication. The circuit is indicated for the application of TTL signals for transmission via coaxial cable. The circuit must be powered by a voltage of 5 V.
The transistors of this old circuit from the 60s can be the BC548, in a current version. The...
This electronic soldering gun circuit was found in the December 1998 Electronics Now magazine. The article...
This circuit was found in an American documentation from the 90's. What it does is provide at the...