Analog multiplier (CB7392E)

Suggested by Fairchild in a 1980s publication, this multiplier uses operational amplifiers from that time. The power supply must be symmetrical.

| Clique na imagem para ampliar |

Commercial MW Radio 4TR 162 (CB18361E)
This medium wave commercial receiver from the 1960s was found in a Japanese publication at the...
170 degree phase shifter (CB8158E)
Found in an American circuit manual from the 1970s, this circuit can use any general-purpose transistor....
Display drive 4033 (CB7554E)
We found in this American documentation this circuit for activating common cathode displays. In it we...