Double limit comparator (CB9581E)

Found in documentation from the 1980s, this circuit makes use of general-purpose diodes and requires a symmetrical power supply.

| Clique na imagem para ampliar |

Single Bridge Circuit (CB4798E)
This metering bridge circuit uses one power supply only. The operational ones depend on the...
Telephone Dialer (CB5979E)
This circuit is from the 80's, using an integrated of the time. The circuit serves as a reference,...
Optical control notch filter (CB6717E)
This 1967 Raytheon circuit uses an optical coupler of the era and has a range of 800 to 200 Hz....