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.
This circuit safely replaces common locks, since, instead of the key, the opening is made with the...
This amplifier, common in 1986, uses a hybrid integrated circuit that can offer some difficulty to obtain...
This circuit, found in a 1979 documentation, consists of a small inverter that applies a voltage to...