We found this mixer in an American documentation. Operational amplifier supports equivalent and changed number of inputs. Power can be between 6 and 12 V.
This configuration was found in Raytheon's circuit manual from the 1960s. The circuit has an...
This space mark demodulator for FSK signals was found in an American telecommunication...
This conventional relay light detector circuit uses a 741 as a voltage comparator. The sensitivity...