Current shield RS232 (CB8075E)

Found in a Popular Electronics from the 9s, this circuit has output for RS-232 interfaces and current input. The power supply must be symmetrical.

| Clique na imagem para ampliar |

Heartbeat Detector (CB25472S)
This heartbeat sensor circuit was found in the July 1992 issue of Radio Electronics magazine. The...
30 W Motor Control L200 (CB15146E)
We found this circuit in the 1982 SGS integrated circuit manual. The integrated circuit is not...
Simple pulse extender (CB8921E)
This TTL pulse stretcher or stretcher was found in a 90's EDN. The time constant R x C1 determines...